1
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Mishra M, Verma K, Banerjee S, Punniyamurthy T. Iron-catalyzed cascade C-C/C-O bond formation of 2,4-dienals with donor-acceptor cyclopropanes: access to functionalized hexahydrocyclopentapyrans. Chem Commun (Camb) 2024; 60:2788-2791. [PMID: 38362602 DOI: 10.1039/d3cc06261a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Iron-catalyzed cascade C-C and C-O bond formation of 2,4-dienals with donor-acceptor cyclopropanes (DACs) has been developed to furnish hexahydrocyclopentapyrans. Optically active DACs can be coupled stereospecifically (>97% ee). Chirality transfer, use of iron-catalysis and substrate scope are the salient practical features.
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Affiliation(s)
- Manmath Mishra
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
| | - Kshitiz Verma
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
| | - Sonbidya Banerjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
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2
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Xu Y, Gao HX, Pan C, Shi Y, Zhang C, Huang G, Feng C. Stereoselective Photoredox Catalyzed (3+3) Dipolar Cycloaddition of Nitrone with Aryl Cyclopropane. Angew Chem Int Ed Engl 2023; 62:e202310671. [PMID: 37700683 DOI: 10.1002/anie.202310671] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/14/2023]
Abstract
By resorting to the principle of remote activation, we herein demonstrate the first photoredox catalyzed (3+3) dipolar cycloaddition of nitrones with aryl cyclopropanes. Key to the fidelity of the reaction resides in a facile manner of substrate activation by single-electron transfer (SET) oxidation with photoredox catalysis, and the reaction takes place through a stepwise cascade encompassing a three-electron-type nucleophilic substitution triggered cyclopropane ring-opening and a diastereoselective 6-endo-trig radical cyclization manifold. The reaction proceeds under mild conditions with excellent regio- and stereoselectivity, nicely complementing the well-developed Lewis acid catalyzed cycloaddition of donor-acceptor cyclopropanes. Other merits of the protocol include wide scope of aryl cyclopropanes with diversified substitution patterns and good functional-group compatibility. A mechanism involving an aryl radical cation promoted remote activation mode was also proposed and supported by mechanistic experiments.
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Affiliation(s)
- Yao Xu
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis (IAS), State Key Laboratory of Material-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Hai-Xiang Gao
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis (IAS), State Key Laboratory of Material-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Chengkai Pan
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis (IAS), State Key Laboratory of Material-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Yue Shi
- Department of chemistry, School of science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin, 300072, P. R. China
| | - Chi Zhang
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis (IAS), State Key Laboratory of Material-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Genping Huang
- Department of chemistry, School of science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin, 300072, P. R. China
| | - Chao Feng
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis (IAS), State Key Laboratory of Material-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
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3
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Ben Maamer C, Dridi R, Lahmar M, Tabarki MA, Jobran M, Sahtel S, Zid MF, Ouzari HI, Vrancken E, Besbes R. Zinc Tetrafluoroborate-Mediated Ring Expansion of trans-Aziridine-2-carboxylates to cis-2-Iminothiazolidines and cis-Thiazolidine-2-iminium Tetrafluoroborates and Evaluation of Antimicrobial Activity. ACS OMEGA 2023; 8:30402-30409. [PMID: 37636906 PMCID: PMC10448496 DOI: 10.1021/acsomega.3c03531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 07/28/2023] [Indexed: 08/29/2023]
Abstract
Cis-2-iminothiazolidines and cis-thiazolidine-2-iminium tetrafluoroborates were successfully produced from trans-N-alkyl aziridine-2-carboxylates and phenyl/alkyl isothiocyanates mediated by zinc tetrafluoroborate in refluxing DCE. Reactions were performed via a complete regio- and stereoselective process to give the title iminothiazolidines and cis-thiazolidine-2-iminium salts in moderate to good yields (35 to 82%) with a wide substrate scope. In addition, the antibacterial activity evaluation of these compounds, as well as the minimum inhibitory concentration (MIC) determination, revealed that only four cis-thiazolidine-2-iminium salts showed growth inhibition against Bacillus cereus.
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Affiliation(s)
- Chayma Ben Maamer
- Faculty
of Sciences of Tunis, Department of Chemistry, Laboratory of Analytical
Chemistry and Electrochemistry,University
of Tunis El Manar, Campus
Universities,2092 Tunis El Manar, Tunisia
- UMR
5253 CNRS-UM-ENSCM, Institut Charles Gerhardt
de Montpellier, 240 avenue
du Professeur Emile Jeanbrau, 34296
Cedex 5 Montpellier, France
| | - Rihab Dridi
- Faculty
of Sciences of Tunis, Department of Chemistry, Laboratory of Materials,
Crystal Chemistry and Applied Thermodynamics, University of Tunis El Manar, Campus Universities ,2092 Tunis El Manar, Tunisia
| | - Malek Lahmar
- Faculty
of Sciences of Tunis, Department of Biology, Laboratory Microorganisms
and Active Biomolecules ,University of Tunis
El Manar, Campus Universities, 2092 Tunis El Manar, Tunisia
| | - Mohamed Ali Tabarki
- Faculty
of Sciences of Tunis, Department of Chemistry, Laboratory of Analytical
Chemistry and Electrochemistry,University
of Tunis El Manar, Campus
Universities,2092 Tunis El Manar, Tunisia
| | - Mariem Jobran
- Faculty
of Sciences of Tunis, Department of Chemistry, Laboratory of Analytical
Chemistry and Electrochemistry,University
of Tunis El Manar, Campus
Universities,2092 Tunis El Manar, Tunisia
| | - Sami Sahtel
- Faculty
of Sciences of Tunis, Department of Chemistry, Laboratory of Analytical
Chemistry and Electrochemistry,University
of Tunis El Manar, Campus
Universities,2092 Tunis El Manar, Tunisia
| | - Mohamed Faouzi Zid
- Faculty
of Sciences of Tunis, Department of Chemistry, Laboratory of Materials,
Crystal Chemistry and Applied Thermodynamics, University of Tunis El Manar, Campus Universities ,2092 Tunis El Manar, Tunisia
| | - Hadda Imene Ouzari
- Faculty
of Sciences of Tunis, Department of Biology, Laboratory Microorganisms
and Active Biomolecules ,University of Tunis
El Manar, Campus Universities, 2092 Tunis El Manar, Tunisia
| | - Emmanuel Vrancken
- UMR
5253 CNRS-UM-ENSCM, Institut Charles Gerhardt
de Montpellier, 240 avenue
du Professeur Emile Jeanbrau, 34296
Cedex 5 Montpellier, France
| | - Rafâa Besbes
- Faculty
of Sciences of Tunis, Department of Chemistry, Laboratory of Analytical
Chemistry and Electrochemistry,University
of Tunis El Manar, Campus
Universities,2092 Tunis El Manar, Tunisia
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4
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Gopal B, Singh PR, Kumar M, Goswami A. Synthesis of Indole-Fused Dihydrothiopyrano Scaffolds via (3 + 3)-Annulations of Donor-Acceptor Cyclopropanes with Indoline-2-Thiones. J Org Chem 2023; 88:132-142. [PMID: 36524970 DOI: 10.1021/acs.joc.2c01990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A new methodology for the synthesis of N-haloindole-fused dihydrothiopyrano derivatives via (3 + 3)-annulation of donor-acceptor cyclopropanes (DACs) with indoline-2-thiones in the presence of Sc(OTf)3 as a Lewis acid catalyst has been developed. This protocol provides a variety of indole-fused dihydrothiopyrano molecules in good to excellent yields, which architecturally resemble other indole-fused tricyclic molecules having potential medicinal value. In addition, we have described a detailed reaction mechanism and transformation of the furnished product into N-fused thiazino indole molecule.
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Affiliation(s)
- Braj Gopal
- Department of Chemistry, Indian Institute of Technology Ropar, SS Bhatnagar Block, Main Campus, Rupnagar, Punjab 140001, India
| | - Prasoon Raj Singh
- Department of Chemistry, Indian Institute of Technology Ropar, SS Bhatnagar Block, Main Campus, Rupnagar, Punjab 140001, India
| | - Madan Kumar
- Department of Chemistry, Indian Institute of Technology Ropar, SS Bhatnagar Block, Main Campus, Rupnagar, Punjab 140001, India
| | - Avijit Goswami
- Department of Chemistry, Indian Institute of Technology Ropar, SS Bhatnagar Block, Main Campus, Rupnagar, Punjab 140001, India
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5
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Ahlburg NL, Hergert O, Jones PG, Werz DB. Donor-Acceptor Cyclopropanes: Activation Enabled by a Single, Vinylogous Acceptor. Angew Chem Int Ed Engl 2023; 62:e202214390. [PMID: 36322458 PMCID: PMC10099577 DOI: 10.1002/anie.202214390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Indexed: 11/05/2022]
Abstract
A novel class of highly activated donor-acceptor cyclopropanes bearing only a single, vinylogous acceptor is presented. These strained moieties readily undergo cycloadditions with aldehydes, ketones, thioketones, nitriles, naphth-2-ols and various other substrates to yield the corresponding carbo- and heterocycles. Diastereocontrol can be achieved through the choice of catalyst (Brønsted or Lewis acid). The formation of tetrahydrofurans was shown to be highly enantiospecific when chiral cyclopropanes are employed. A series of mechanistic and kinetic experiments was conducted to elucidate a plausible catalytic cycle and to rationalize the stereochemical outcome.
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Affiliation(s)
- Nils L. Ahlburg
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
| | - Oliver Hergert
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
| | - Peter G. Jones
- Technische Universität BraunschweigInstitute of Inorganic and Analytical ChemistryHagenring 3038106BraunschweigGermany
| | - Daniel B. Werz
- Albert-Ludwigs-Universität FreiburgInstitute of Organic ChemistryAlbertstraße 2179104Freiburg (Breisgau)Germany
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6
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Boichenko MA, Plodukhin AY, Shorokhov VV, Lebedev DS, Filippova AV, Zhokhov SS, Tarasenko EA, Rybakov VB, Trushkov IV, Ivanova OA. Synthesis of 1,5-Substituted Pyrrolidin-2-ones from Donor-Acceptor Cyclopropanes and Anilines/Benzylamines. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238468. [PMID: 36500574 PMCID: PMC9735934 DOI: 10.3390/molecules27238468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/16/2022] [Accepted: 11/23/2022] [Indexed: 12/12/2022]
Abstract
We developed a straightforward synthetic route to pharmacologically important 1,5-substituted pyrrolidin-2-ones from donor-acceptor cyclopropanes bearing an ester group as one of the acceptor substituents. This method includes a Lewis acid-catalyzed opening of the donor-acceptor cyclopropane with primary amines (anilines, benzylamines, etc.) to γ-amino esters, followed by in situ lactamization and dealkoxycarbonylation. The reaction has a broad scope of applicability; a variety of substituted anilines, benzylamines, and other primary amines as well as a wide range of donor-acceptor cyclopropanes bearing (hetero)aromatic or alkenyl donor groups and various acceptor substituents can be involved in this transformation. In this process, donor-acceptor cyclopropanes react as 1,4-C,C-dielectrophiles, and amines react as 1,1-dinucleophiles. The resulting di- and trisubstituted pyrrolidin-2-ones can be also used in subsequent chemistry to obtain various nitrogen-containing polycyclic compounds of interest to medicinal chemistry and pharmacology, such as benz[g]indolizidine derivatives.
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Affiliation(s)
- Maksim A. Boichenko
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Andrey Yu. Plodukhin
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Vitaly V. Shorokhov
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Danyla S. Lebedev
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Anastasya V. Filippova
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Sergey S. Zhokhov
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Elena A. Tarasenko
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Victor B. Rybakov
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Igor V. Trushkov
- N. D. Zelinsky Institute of Organic Chemistry, Leninsky Pr. 47, 119334 Moscow, Russia
- Correspondence: (I.V.T.); (O.A.I.); Tel.: +7-916-645-9951 (I.V.T.)
| | - Olga A. Ivanova
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
- Correspondence: (I.V.T.); (O.A.I.); Tel.: +7-916-645-9951 (I.V.T.)
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7
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Ahlburg NL, Hergert O, Jones PG, Werz DB. Donor‐Acceptor Cyclopropanes: Activation Enabled by a Single, Vinylogous Acceptor. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202214390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Affiliation(s)
- Nils L. Ahlburg
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Oliver Hergert
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Peter G. Jones
- Technische Universität Braunschweig Institute of Inorganic and Analytical Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Daniel B. Werz
- Albert-Ludwigs-Universität Freiburg Institute of Organic Chemistry Albertstraße 21 79104 Freiburg (Breisgau) Germany
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8
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Hu KW, You X, Wen X, Yuan H, Xu QL, Lai Z. Synthesis of Functionalized Thiazolidin-2-imine and Oxazolidin-2-one Derivatives from p-Quinamines via [3 + 2] Annulation of Isothiocyanates and CO 2. J Org Chem 2022; 88:5052-5058. [PMID: 35880952 DOI: 10.1021/acs.joc.2c01031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient and environmentally friendly synthetic approach to prepare thiazolidine-2-imine and oxazolidine-2-one derivatives has been developed. Thiazolidine-2-imines are synthesized in good to excellent yields by [3 + 2] annulation of p-quinamines with isothiocyanates under catalyst- and solvent-free conditions. Oxazolidine-2-ones are produced in good to excellent yields via [3 + 2] annulation of p-quinamines with CO2 using triethylenediamine (DABCO) as an organocatalyst. Furthermore, this strategy can be performed on a gram scale and tolerate a wide range of functional groups.
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Affiliation(s)
- Kai-Wen Hu
- School of Life Sciences and Health Engineering, Jiangnan University,1800 Lihu Avenue, 214122, Wuxi, China.,Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing 210009, China
| | - Xiao You
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing 210009, China
| | - Xiaoan Wen
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing 210009, China
| | - Haoliang Yuan
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing 210009, China
| | - Qing-Long Xu
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing 210009, China
| | - Zengwei Lai
- School of Life Sciences and Health Engineering, Jiangnan University,1800 Lihu Avenue, 214122, Wuxi, China
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9
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Karjee P, Mishra M, Debnath B, Punniyamurthy T. Expedient Ni(OTf) 2/visible light photoredox-catalyzed annulation of donor-acceptor cyclopropanes with cyclic secondary amines. Chem Commun (Camb) 2022; 58:8670-8673. [PMID: 35822543 DOI: 10.1039/d2cc02941c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The annulative coupling of donor-acceptor cyclopropanes with cyclic secondary amines is reported using the combination of Ni(OTf)2 and visible light assisted eosin Y catalysis for tandem C-N and C-C bond formation. The reaction sequence provides a potential synthetic tool for the construction of pyrrolotetrahydroisoquinolines.
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Affiliation(s)
- Pallab Karjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India.
| | - Manmath Mishra
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India.
| | - Bijoy Debnath
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India.
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10
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Kar S, Sarkar T, Maharana PK, Guha AK, Punniyamurthy T. Bi-Catalyzed 1,2-Reactivity of Spirocyclopropyl Oxindoles with Dithianediol: Access to Spiroheterocycles. Org Lett 2022; 24:4965-4970. [PMID: 35770789 DOI: 10.1021/acs.orglett.2c01928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The efficient Bi-catalyzed 1,2-reactivity of spirocyclopropyl oxindoles has been disclosed with dithianediols as the sulfur surrogate to furnish spiroheterocycles at moderate temperature. The procedure provides a potential approach for the construction of spirotetrahydrothiophene scaffolds with functional group diversity. The catalytic 1,2-reactivity of cyclopropanes, mechanistic studies using density functional theory studies, diastereoselectivity, and additive-free mild conditions are the important practical features.
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Affiliation(s)
- Subhradeep Kar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Tanumay Sarkar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Prabhat K Maharana
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Ankur K Guha
- Advanced Computational Chemistry Centre, Cotton University, Panbazar, Guwahati 781001, India
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11
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Jacob A, Barkawitz P, Jones PG, Werz DB. Insertion of S 2 into Donor-Acceptor Cyclopropanes: Access to Dithiolanes and Their Conversion to Thietane Dioxides. Org Lett 2022; 24:3028-3032. [PMID: 35442042 DOI: 10.1021/acs.orglett.2c00967] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A facile and efficient route to dithiolanes starting from donor-acceptor cyclopropanes is reported. Potassium p-toluenethiosulfonate has been established as the reagent of choice for this formal insertion of the disulfide moiety. Using this methodology, dithiolanes have been synthesized in moderate to good yields with high functional group tolerance. Upon treatment with an excess of mCPBA, the corresponding dithiolanes delivered four-membered thietane dioxides, the formal (3+1)-cycloaddition product of D-A cyclopropanes, and sulfur dioxide.
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12
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Guin A, Deswal S, Biju AT. Ring-Opening 1,3-Carbothiolation of Donor-Acceptor Cyclopropanes Using Alkyl Halides and In Situ Generated Dithiocarbamates. J Org Chem 2022; 87:6504-6513. [PMID: 35412311 DOI: 10.1021/acs.joc.2c00447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Two-step, ring-opening 1,3-carbothiolation of donor-acceptor (D-A) cyclopropanes employing alkyl halides and in situ generated dithiocarbamates (from amines and CS2) has been demonstrated under mild conditions. The reaction is operationally simple and works with good functional group compatibility. Three new bonds including C-N, C-S, and C-C are formed in this 1,3-bifunctionalization strategy. Electron-poor olefins can also be used as electrophiles instead of alkyl halides. The use of enantiomerically pure D-A cyclopropane afforded enantiopure 1,3-carbothiolated product, thus demonstrating the stereospecificity of the reaction.
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Affiliation(s)
- Avishek Guin
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Shiksha Deswal
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Akkattu T Biju
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
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13
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Hill HM, Tucker ZD, Rodriguez KX, Wendt KA, Ashfeld BL. Generation of Functionalized Azepinone Derivatives via a (4 + 3)-Cycloaddition of Vinyl Ketenes and α-Imino Carbenes Derived from N-Sulfonyl-triazoles. J Org Chem 2022; 87:3825-3833. [PMID: 35188763 DOI: 10.1021/acs.joc.1c03002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An intermolecular RhII-catalyzed, formal (4 + 3)-cycloaddition between vinyl ketenes and N-sulfonyl-1,2,3-triazoles for the construction of azepinone products is described. Employing vinyl ketenes as a 1,4-dipolar surrogate, instead of the more commonly used dienyl moieties, allows for the intermolecular and selective formation of azepinone products over a potential (3 + 2)-cycloadduct under mild reaction conditions allows for the generation of azepinone products in up to 98% yield.
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Affiliation(s)
- Harrison M Hill
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Zachary D Tucker
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Kevin X Rodriguez
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Katelyn A Wendt
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Brandon L Ashfeld
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
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14
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Liu Y, Wu W, Sang X, Xia Y, Fang G, Hao W. I 2-mediated Csp 2–P bond formation via tandem cyclization of o-alkynylphenyl isothiocyanates with organophosphorus esters. RSC Adv 2022; 12:18072-18076. [PMID: 35800309 PMCID: PMC9207709 DOI: 10.1039/d2ra03072a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 06/07/2022] [Indexed: 11/21/2022] Open
Abstract
A highly efficient molecular-iodine-catalyzed cascade cyclization reaction has been developed, creating a series of 4H-benzo[d][1,3]thiazin-2-yl phosphonates in moderate to excellent yields. This approach benefits from metal-free catalysts and available raw materials.
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Affiliation(s)
- Yang Liu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People's Republic of China
| | - Wenjin Wu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People's Republic of China
| | - Xiaoyan Sang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People's Republic of China
| | - Yu Xia
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People's Republic of China
| | - Guojian Fang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People's Republic of China
| | - Wenyan Hao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People's Republic of China
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15
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Mlostoń G, Kowalczyk M, Augustin AU, Jones PG, Werz DB. Lewis‐Acid‐Catalyzed (3+2)‐Cycloadditions of Donor‐Acceptor Cyclopropanes with Thioketenes. European J Org Chem 2021; 2021:6250-6253. [PMID: 35875264 PMCID: PMC9290834 DOI: 10.1002/ejoc.202100879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 07/28/2021] [Indexed: 11/06/2022]
Affiliation(s)
- Grzegorz Mlostoń
- University of Łodź Department of Organic & Applied Chemistry Tamka 12 91-403 Łodź Poland
| | - Mateusz Kowalczyk
- University of Łodź Department of Organic & Applied Chemistry Tamka 12 91-403 Łodź Poland
| | - André U. Augustin
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Peter G. Jones
- Technische Universität Braunschweig Institute of Inorganic and Analytical Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Daniel B. Werz
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
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16
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Dutta HS, Ahmad A, Khan AA, Kumar M, Raziullah, Vaishnav J, Gangwar M, Ampapathi RS, Koley D. Diastereoselective [3 + 2] Cycloaddition of Quinoxalin-2(1 H)-ones with Donor-Acceptor Cyclopropanes: Efficient Synthesis of Tetrahydro pyrrolo[1,2- a]quinoxalin-4(5 H)-ones. J Org Chem 2021; 86:16558-16572. [PMID: 34780178 DOI: 10.1021/acs.joc.1c01872] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A ytterbium triflate-catalyzed diastereoselective [3 + 2] cycloaddition of quinoxalinones with donor-acceptor cyclopropanes and cyclobutanes is described. A series of tetrahydropyrrolo-quinoxalinone derivatives were obtained in high yields (up to 96%) with excellent diastereoselectivities (up to 46:1). Other medicinally important heterocycles like benzoxazinone, isoquinoxalinone, and dibenzoxazepine derivatives were also suitable for the desired annulation reaction. The current method is applicable for the scale-up reaction. Further, the utility of this annulation reaction is demonstrated by the synthesis of densely functionalized proline derivatives.
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Affiliation(s)
| | - Ashfaq Ahmad
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Afsar Ali Khan
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Mohit Kumar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Raziullah
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Jayanti Vaishnav
- SAIF, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Manoj Gangwar
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom Of Saudi Arabia
| | | | - Dipankar Koley
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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17
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Oliver GA, Loch MN, Augustin AU, Steinbach P, Sharique M, Tambar UK, Jones PG, Bannwarth C, Werz DB. Cycloadditions of Donor–Acceptor Cyclopropanes and ‐butanes using S=N‐Containing Reagents: Access to Cyclic Sulfinamides, Sulfonamides, and Sulfinamidines. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106596] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Gwyndaf A. Oliver
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Maximilian N. Loch
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - André U. Augustin
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Pit Steinbach
- Institute of Physical Chemistry RWTH Aachen University Melatener Str. 20 52056 Aachen Germany
| | - Mohammed Sharique
- Department of Biochemistry The University of Texas Southwestern Medical Center 5323 Harry Hines Boulevard Dallas TX 75390-9038 USA
| | - Uttam K. Tambar
- Department of Biochemistry The University of Texas Southwestern Medical Center 5323 Harry Hines Boulevard Dallas TX 75390-9038 USA
| | - Peter G. Jones
- Technische Universität Braunschweig Institute of Inorganic and Analytical Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Christoph Bannwarth
- Institute of Physical Chemistry RWTH Aachen University Melatener Str. 20 52056 Aachen Germany
| | - Daniel B. Werz
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
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18
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Oliver GA, Loch MN, Augustin AU, Steinbach P, Sharique M, Tambar UK, Jones PG, Bannwarth C, Werz DB. Cycloadditions of Donor-Acceptor Cyclopropanes and -butanes using S=N-Containing Reagents: Access to Cyclic Sulfinamides, Sulfonamides, and Sulfinamidines. Angew Chem Int Ed Engl 2021; 60:25825-25831. [PMID: 34499800 PMCID: PMC9298015 DOI: 10.1002/anie.202106596] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/08/2021] [Indexed: 11/09/2022]
Abstract
We present (3+2)‐ and (4+2)‐cycloadditions of donor–acceptor (D–A) cyclopropanes and cyclobutanes with N‐sulfinylamines and a sulfur diimide, along with a one‐pot, two‐step strategy for the formal insertion of HNSO2 into D–A cyclopropanes. These are rare examples of cycloadditions with D–A cyclopropanes and cyclobutanes whereby the 2π component consists of two different heteroatoms, thus leading to five‐ and six‐membered rings containing adjacent heteroatoms.
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Affiliation(s)
- Gwyndaf A Oliver
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106, Braunschweig, Germany
| | - Maximilian N Loch
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106, Braunschweig, Germany
| | - André U Augustin
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106, Braunschweig, Germany
| | - Pit Steinbach
- Institute of Physical Chemistry, RWTH Aachen University, Melatener Str. 20, 52056, Aachen, Germany
| | - Mohammed Sharique
- Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75390-9038, USA
| | - Uttam K Tambar
- Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75390-9038, USA
| | - Peter G Jones
- Technische Universität Braunschweig, Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106, Braunschweig, Germany
| | - Christoph Bannwarth
- Institute of Physical Chemistry, RWTH Aachen University, Melatener Str. 20, 52056, Aachen, Germany
| | - Daniel B Werz
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106, Braunschweig, Germany
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19
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Singh PR, Kalaramna P, Ali S, Goswami A. Synthesis of Thio‐/Selenopyrrolines
via
SnCl
4
‐Catalyzed (3+2)‐Cycloadditions of Donor‐Acceptor Cyclopropanes with Thio‐/Selenocyanates. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100846] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Prasoon Raj Singh
- Department of Chemistry SS Bhatnagar Block Main Campus Indian Institute of Technology Ropar Rupnagar, Punjab 140001 India
| | - Pratibha Kalaramna
- Department of Chemistry SS Bhatnagar Block Main Campus Indian Institute of Technology Ropar Rupnagar, Punjab 140001 India
| | - Shamsad Ali
- Department of Chemistry SS Bhatnagar Block Main Campus Indian Institute of Technology Ropar Rupnagar, Punjab 140001 India
| | - Avijit Goswami
- Department of Chemistry SS Bhatnagar Block Main Campus Indian Institute of Technology Ropar Rupnagar, Punjab 140001 India
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20
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Bhattacharya A, Thirupathi A, Natarajan P, Peruncheralathan S. Chemoselective Ullmann Reaction of α-Trisubstituted Thioamides: Synthesis of Novel 2-Iminobenzothiolanes. ACS OMEGA 2021; 6:21169-21180. [PMID: 34423225 PMCID: PMC8375098 DOI: 10.1021/acsomega.1c03410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
New classes of unexplored benzo[b]thiolanes are synthesized from trisubstituted thioamides through copper-catalyzed intramolecular S-arylation of thioamides for the first time. This method provides good to excellent yields with fully controlled chemoselectivity. Unusually, iminobenzo[b]thiolanes are very stable under mild acidic conditions. A plausible mechanism is proposed for the chemoselective S-arylation process.
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21
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Kolb S, Petzold M, Brandt F, Jones PG, Jacob CR, Werz DB. Electrocatalytic Activation of Donor-Acceptor Cyclopropanes and Cyclobutanes: An Alternative C(sp 3 )-C(sp 3 ) Cleavage Mode. Angew Chem Int Ed Engl 2021; 60:15928-15934. [PMID: 33890714 PMCID: PMC8362004 DOI: 10.1002/anie.202101477] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 04/21/2021] [Indexed: 12/03/2022]
Abstract
We describe the first electrochemical activation of D-A cyclopropanes and D-A cyclobutanes leading after C(sp3 )-C(sp3 ) cleavage to the formation of highly reactive radical cations. This concept is utilized to formally insert molecular oxygen after direct or DDQ-assisted anodic oxidation of the strained carbocycles, delivering β- and γ-hydroxy ketones and 1,2-dioxanes electrocatalytically. Furthermore, insights into the mechanism of the oxidative process, obtained experimentally and by additional quantum-chemical calculations are presented. The synthetic potential of the reaction products is demonstrated by diverse derivatizations.
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Affiliation(s)
- Simon Kolb
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
| | - Martin Petzold
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
| | - Felix Brandt
- Technische Universität BraunschweigInstitute of Physical and Theoretical ChemistryGaußstraße 1738106BraunschweigGermany
| | - Peter G. Jones
- Technische Universität BraunschweigInstitute of Inorganic and Analytical ChemistryHagenring 3038106BraunschweigGermany
| | - Christoph R. Jacob
- Technische Universität BraunschweigInstitute of Physical and Theoretical ChemistryGaußstraße 1738106BraunschweigGermany
| | - Daniel B. Werz
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
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22
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Pirenne V, Robert EGL, Waser J. Catalytic (3 + 2) annulation of donor-acceptor aminocyclopropane monoesters and indoles. Chem Sci 2021; 12:8706-8712. [PMID: 34257869 PMCID: PMC8246098 DOI: 10.1039/d1sc01127h] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 05/04/2021] [Indexed: 12/16/2022] Open
Abstract
The efficient catalytic activation of donor-acceptor aminocyclopropanes lacking the commonly used diester acceptor is reported here in a (3 + 2) dearomative annulation with indoles. Bench-stable tosyl-protected aminocyclopropyl esters were converted into cycloadducts in 46-95% yields and up to 95 : 5 diastereomeric ratio using catalytic amounts of triethylsilyl triflimide. Tricyclic indoline frameworks containing four stereogenic centers including all-carbon quaternary centers were obtained.
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Affiliation(s)
- Vincent Pirenne
- Laboratory of Catalysis and Organic Synthesis, Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne Ch-1015 Lausanne Switzerland
| | - Emma G L Robert
- Laboratory of Catalysis and Organic Synthesis, Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne Ch-1015 Lausanne Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis, Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne Ch-1015 Lausanne Switzerland
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23
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Kolb S, Petzold M, Brandt F, Jones PG, Jacob CR, Werz DB. Electrocatalytic Activation of Donor–Acceptor Cyclopropanes and Cyclobutanes: An Alternative C(sp
3
)−C(sp
3
) Cleavage Mode. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101477] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Simon Kolb
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Martin Petzold
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Felix Brandt
- Technische Universität Braunschweig Institute of Physical and Theoretical Chemistry Gaußstraße 17 38106 Braunschweig Germany
| | - Peter G. Jones
- Technische Universität Braunschweig Institute of Inorganic and Analytical Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Christoph R. Jacob
- Technische Universität Braunschweig Institute of Physical and Theoretical Chemistry Gaußstraße 17 38106 Braunschweig Germany
| | - Daniel B. Werz
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
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24
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Zhan F, Wang Z, Wu G, Shi Z, Zhang X, Zuo Q, Lin J, Jiang Y. Highly
Z
‐Selective Synthesis of Highly Substituted 1,3‐Oxathiolane‐2‐imines
via
TfOH‐Catalyzed Formal [3+2] Cycloaddition of Donor‐Acceptor Oxiranes and Isothiocyanates. ChemistrySelect 2021. [DOI: 10.1002/slct.202100637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Feng Zhan
- Department of Chemistry Tsinghua University Beijing 100084 China
- The State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Biology Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
| | - Zhe Wang
- Department of Chemistry Tsinghua University Beijing 100084 China
- The State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Biology Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
| | - Guan‐Zheng Wu
- Department of Chemistry Tsinghua University Beijing 100084 China
- The State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Biology Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
| | - Zhichao Shi
- Department of Chemistry Tsinghua University Beijing 100084 China
- The State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Biology Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
| | - Xun Zhang
- Department of Chemistry Tsinghua University Beijing 100084 China
- The State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Biology Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
| | - Qinglu Zuo
- Department of Chemistry Tsinghua University Beijing 100084 China
- The State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Biology Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
| | - Jin‐Shun Lin
- Department of Chemistry Tsinghua University Beijing 100084 China
- The State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Biology Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
| | - Yuyang Jiang
- Department of Chemistry Tsinghua University Beijing 100084 China
- The State Key Laboratory of Chemical Oncogenomics Key Laboratory of Chemical Biology Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
- Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
- Shenzhen Bay Laboratory Shenzhen 518055 China
- School of Pharmaceutical Sciences Tsinghua University Beijing 100084 China
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25
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Andreev IA, Ratmanova NK, Augustin AU, Ivanova OA, Levina II, Khrustalev VN, Werz DB, Trushkov IV. Protic Ionic Liquid as Reagent, Catalyst, and Solvent: 1-Methylimidazolium Thiocyanate. Angew Chem Int Ed Engl 2021; 60:7927-7934. [PMID: 33433034 PMCID: PMC8048580 DOI: 10.1002/anie.202016593] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Indexed: 02/06/2023]
Abstract
We propose a new concept of the triple role of protic ionic liquids with nucleophilic anions: a) a regenerable solvent, b) a Brønsted acid inducing diverse transformations via general acid catalysis, and c) a source of a nucleophile. The efficiency of this strategy was demonstrated using thiocyanate-based protic ionic liquids for the ring-opening of donor-acceptor cyclopropanes. A wide variety of activated cyclopropanes were found to react with 1-methylimidazolium thiocyanate under mild metal-free conditions via unusual nitrogen attack of the ambident thiocyanate ion on the electrophilic center of the three-membered ring affording pyrrolidine-2-thiones bearing donor and acceptor substituents at the C(5) and C(3) atoms, respectively, in a single time-efficient step. The ability of 1-methylimidazolium thiocyanate to serve as a triplex reagent was exemplarily illustrated by (4+2)-annulation with 1-acyl-2-(2-hydroxyphenyl)cyclopropane, epoxide ring-opening and other organic transformations.
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Affiliation(s)
- Ivan A. Andreev
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and ImmunologySamory Mashela 1117997MoscowRussian Federation
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of SciencesLeninsky pr. 47119991MoscowRussian Federation
| | - Nina K. Ratmanova
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and ImmunologySamory Mashela 1117997MoscowRussian Federation
| | - André U. Augustin
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
| | - Olga A. Ivanova
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of SciencesLeninsky pr. 47119991MoscowRussian Federation
- Department of ChemistryLomonosov Moscow State UniversityLeninskie Gory 1–3119991MoscowRussian Federation
| | - Irina I. Levina
- Institute of Biochemical PhysicsRussian Academy of SciencesKosygina 4119334MoscowRussian Federation
| | - Victor N. Khrustalev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of SciencesLeninsky pr. 47119991MoscowRussian Federation
- Faculty of ScienceRUDN UniversityMiklukho-Maklaya 6117198MoscowRussian Federation
| | - Daniel B. Werz
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
| | - Igor V. Trushkov
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and ImmunologySamory Mashela 1117997MoscowRussian Federation
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of SciencesLeninsky pr. 47119991MoscowRussian Federation
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26
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Augustin AU, Werz DB. Exploiting Heavier Organochalcogen Compounds in Donor-Acceptor Cyclopropane Chemistry. Acc Chem Res 2021; 54:1528-1541. [PMID: 33661599 DOI: 10.1021/acs.accounts.1c00023] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Donor-acceptor (D-A) cyclopropanes have gained increased momentum over the past two decades. The use of these highly strained three-membered entities paved the way to innovative and original transformations yielding complex cyclic and acyclic architectures that otherwise might be difficult to address. Since the fundamentals were laid by Wenkert and Reissig in the late 1970s, the field has flourished impressively including asymmetric transformations as well as elegant synthetic applications in the construction of natural occurring products. In this Account, we aim to highlight especially our efforts in the context of an efficient access to sulfur- and selenium-containing compounds, of either cyclic or open-chain nature, by exploiting D-A cyclopropane chemistry. Light will be shed on the three fundamental transformations: ring-opening reactions, cycloadditions, and rearrangements.Our synthetic endeavors started back in 2011 guided by quantum chemical studies to obtain 3,3'-linked bisthiophenes along with an unprecedented rearrangement delivering sulfur- and selenium-containing cagelike scaffolds. Inspired by these surprising results, we further deepened our efforts to the construction of new sulfur-carbon and selenium-carbon bonds within the context of D-A cyclopropane chemistry. In the first instance, we capitalized on the great versatility of organosulfur and organoselenium compounds regarding their amphiphilic character to act either as nucleophilic or as electrophilic species. By such an approach, ring-openings via a nucleophilic attack of sulfenyl and selenyl halides furnished 1,3-bishalochalcogenated products. A similar protocol led us to a desymmetrization reaction of meso-cyclopropyl carbaldehydes employing novel chiral imidazolidinone organocatalysts. In contrast, electrophilic sulfur was supplied by N-(arylthio)succinimide substrates to access thiolated γ-amino acid derivatives and their selenium equivalents.Combining the highly reactive thiocarbonyl compounds and vicinal donor-acceptor substituted cyclopropanes opened new vistas in the field of atom-economic cycloaddition reactions to build up sulfur-containing heterocycles of various sizes. The first systematic study of such transformations was made by our group in 2017 leading to highly decorated thiolanes, whereas an intramolecular approach furnished thia-[n.2.1]bicyclic ring systems. Our investigations were then successfully extended to the synthesis of tetrahydroselenophenes by using capricious selenoketones. Recently, we were able to yield the unsaturated analogues, selenophenes, by a (3 + 2)-cycloaddition of D-A cyclopropanes with ammonium selenocyanates followed by oxidation. The formal insertion of thioketenes was realized by employing 3-thioxocyclobutanones as surrogates for disubstituted thioketenes to obtain 2-substituted tetrahydrothiophenes bearing a semicyclic double bond via a (3 + 2) spiroannulation/(2 + 2) cycloreversion sequence. Even the formation of seven-membered S-heterocycles was realized by (4 + 3)-cycloaddition processes. In 2016, we demonstrated the synthesis of benzo-fused dithiepines from in situ generated ortho-bisthioquinones, whereas the utilization of thia-Michael systems as a hetero-4π-component delivered tetrahydrothiepine derivatives containing just one sulfur atom embedded in the ring system.
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Affiliation(s)
- André U. Augustin
- Institute of Organic Chemistry, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Daniel B. Werz
- Institute of Organic Chemistry, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
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27
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Klychnikov MK, Pohl R, Císařová I, Jahn U. α,γ-Dioxygenated amides via tandem Brook rearrangement/radical oxygenation reactions and their application to syntheses of γ-lactams. Beilstein J Org Chem 2021; 17:688-704. [PMID: 33777244 PMCID: PMC7961876 DOI: 10.3762/bjoc.17.58] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 02/23/2021] [Indexed: 11/23/2022] Open
Abstract
Pyrrolidones are common heterocyclic fragments in various biologically active compounds. Here, a two-step radical-based approach to γ-lactams bearing three to four stereocenters starting from epoxides, N-allylic silylacetamides and TEMPO is reported. The sequence starts with a new tandem nucleophilic substitution/Brook rearrangement/single electron transfer-induced radical oxygenation furnishing orthogonally protected α,γ-dioxygenated N-allylamides with wide scope, mostly good yields, and partly good diastereo- and enantioselectivity for defined combinations of chiral epoxides and chiral amides. This represents a very rare example of an oxidative geminal C-C/C-O difunctionalization next to carbonyl groups. The resulting dioxygenated allylic amides are subsequently subjected to persistent radical effect-based 5-exo-trig radical cyclization reactions providing functionalized pyrrolidones in high yields as diastereomeric mixtures. They converge to 3,4-trans-γ-lactams by base-mediated equilibration, which can be easily further diversified. Stereochemical models for both reaction types were developed.
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Affiliation(s)
- Mikhail K Klychnikov
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 2, 16610 Prague 6, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 2, 16610 Prague 6, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030/8, 12843 Prague 2, Czech Republic
| | - Ullrich Jahn
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 2, 16610 Prague 6, Czech Republic
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28
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Andreev IA, Ratmanova NK, Augustin AU, Ivanova OA, Levina II, Khrustalev VN, Werz DB, Trushkov IV. Protic Ionic Liquid as Reagent, Catalyst, and Solvent: 1‐Methylimidazolium Thiocyanate. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016593] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Ivan A. Andreev
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology Samory Mashela 1 117997 Moscow Russian Federation
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences Leninsky pr. 47 119991 Moscow Russian Federation
| | - Nina K. Ratmanova
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology Samory Mashela 1 117997 Moscow Russian Federation
| | - André U. Augustin
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Olga A. Ivanova
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences Leninsky pr. 47 119991 Moscow Russian Federation
- Department of Chemistry Lomonosov Moscow State University Leninskie Gory 1–3 119991 Moscow Russian Federation
| | - Irina I. Levina
- Institute of Biochemical Physics Russian Academy of Sciences Kosygina 4 119334 Moscow Russian Federation
| | - Victor N. Khrustalev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences Leninsky pr. 47 119991 Moscow Russian Federation
- Faculty of Science RUDN University Miklukho-Maklaya 6 117198 Moscow Russian Federation
| | - Daniel B. Werz
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Igor V. Trushkov
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology Samory Mashela 1 117997 Moscow Russian Federation
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences Leninsky pr. 47 119991 Moscow Russian Federation
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29
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Wu JY, Liao WJ, Lin XY, Liang CF. A facile access to N-sulfonylthioimidates and their use for the transformation to 3,4-dihydroquinazolines. Org Biomol Chem 2020; 18:8881-8885. [PMID: 33107883 DOI: 10.1039/d0ob01963a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
N-Sulfonylthioimidates can be efficiently synthesized through one-pot three-component coupling of terminal alkynes, sulfonyl azides, and thiols by using a copper(i) catalyst in the presence of 4-dimethylaminopyridine. The proposed reaction is characterized by mild reaction conditions and tolerance of diverse functional groups. Additionally, the crucial pharmacophore of 3,4-dihydroquinazolines was synthesized using a one-pot synthetic strategy from N-sulfonylthioimidates.
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Affiliation(s)
- Jia-Yu Wu
- Department of Chemistry, National Chung Hsing University, Taichung, 402, Taiwan.
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30
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Jacob A, Jones PG, Werz DB. (3 + 2)-Cycloaddition of Donor–Acceptor Cyclopropanes with Selenocyanate: Synthesis of Dihydroselenophenes and Selenophenes. Org Lett 2020; 22:8720-8724. [DOI: 10.1021/acs.orglett.0c03329] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Anu Jacob
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - Peter G. Jones
- Institute of Inorganic and Analytical Chemistry, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Daniel B. Werz
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106 Braunschweig, Germany
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31
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Wang Y, Zhang WX, Xi Z. Carbodiimide-based synthesis of N-heterocycles: moving from two classical reactive sites to chemical bond breaking/forming reaction. Chem Soc Rev 2020; 49:5810-5849. [PMID: 32658233 DOI: 10.1039/c9cs00478e] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Carbodiimides are a unique class of heterocumulene compounds that display distinctive chemical properties. The rich chemistry of carbodiimides has drawn increasing attention from chemists in recent years and has made them exceedingly useful compounds in modern organic chemistry, especially in the synthesis of N-heterocycles. This review has outlined the extensive application of carbodiimides in the synthesis of N-heterocycles from the 1980s to today. A wide range of reactions for the synthesis of various types of N-heterocyclic systems (three-, four-, five-, six-, seven-, larger-membered and fused heterocycles) have been developed on the basis of carbodiimides and their derivatives.
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Affiliation(s)
- Yang Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China. and Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology (QNLM), Qingdao 266237, China
| | - Wen-Xiong Zhang
- Beijing National Laboratory for Molecular Sciences, MOE Key Laboratory of Bioorganic Chemistry and Molecular Engineering, College of Chemistry, Peking University, Beijing 100871, China.
| | - Zhenfeng Xi
- Beijing National Laboratory for Molecular Sciences, MOE Key Laboratory of Bioorganic Chemistry and Molecular Engineering, College of Chemistry, Peking University, Beijing 100871, China.
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32
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Lücht A, Kreft A, Jones PG, Werz DB. Ketenedithioacetals as Surrogates for the Formal Insertion of Ketenes into Donor–Acceptor Cyclopropanes. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000233] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Alexander Lücht
- Institute of Organic Chemistry Technische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Alexander Kreft
- Institute of Organic Chemistry Technische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Peter G. Jones
- Institute of Inorganic and Analytical Chemistry Technische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Daniel B. Werz
- Institute of Organic Chemistry Technische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
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33
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Bhandari S, Sakla AP, Shankaraiah N. FeCl
3
‐Catalyzed [3+2] Cycloaddition Reaction: A Mild Synthetic Approach to Spirooxindolo‐2‐iminothiazolidine Scaffolds. ChemistrySelect 2020. [DOI: 10.1002/slct.201904397] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sonal Bhandari
- Department of Medicinal ChemistryNational Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Akash P. Sakla
- Department of Medicinal ChemistryNational Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
| | - Nagula Shankaraiah
- Department of Medicinal ChemistryNational Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500037 India
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34
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Guin A, Rathod T, Gaykar RN, Roy T, Biju AT. Lewis Acid Catalyzed Ring-Opening 1,3-Aminothiolation of Donor–Acceptor Cyclopropanes Using Sulfenamides. Org Lett 2020; 22:2276-2280. [DOI: 10.1021/acs.orglett.0c00483] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Avishek Guin
- Department of Organic Chemistry, Indian Institute of Science, Bangalore-560012, India
| | - Thukaram Rathod
- Department of Organic Chemistry, Indian Institute of Science, Bangalore-560012, India
| | - Rahul N. Gaykar
- Department of Organic Chemistry, Indian Institute of Science, Bangalore-560012, India
| | - Tony Roy
- Department of Organic Chemistry, Indian Institute of Science, Bangalore-560012, India
| | - Akkattu T. Biju
- Department of Organic Chemistry, Indian Institute of Science, Bangalore-560012, India
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35
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Taily IM, Saha D, Banerjee P. [3+3] Annulation via Ring Opening/Cyclization of Donor-Acceptor Cyclopropanes with (Un)symmetrical Ureas: A Quick Access to Highly Functionalized Tetrahydropyrimidinones. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901400] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Irshad Maajid Taily
- Department of Chemistry; Indian Institute of Technology Ropar; Nangal Road 140001 Rupnagar Punjab India
| | - Debarshi Saha
- Department of Chemistry; Indian Institute of Technology Ropar; Nangal Road 140001 Rupnagar Punjab India
| | - Prabal Banerjee
- Department of Chemistry; Indian Institute of Technology Ropar; Nangal Road 140001 Rupnagar Punjab India
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36
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Boichenko MA, Andreev IA, Chagarovskiy AO, Levina II, Zhokhov SS, Trushkov IV, Ivanova OA. Ring Opening of Donor–Acceptor Cyclopropanes with Cyanide Ion and Its Surrogates. J Org Chem 2019; 85:1146-1157. [DOI: 10.1021/acs.joc.9b03098] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Maksim A. Boichenko
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie gory 1-3, Moscow 119991, Russian Federation
| | - Ivan A. Andreev
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky pr. 47, Moscow 119991, Russian Federation
- Laboratory of Chemical Synthesis, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Samory Mashela 1, Moscow 117997, Russian Federation
| | - Alexey O. Chagarovskiy
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky pr. 47, Moscow 119991, Russian Federation
- Laboratory of Chemical Synthesis, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Samory Mashela 1, Moscow 117997, Russian Federation
| | - Irina I. Levina
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Kosygina 4, Moscow 119334, Russian Federation
| | - Sergey S. Zhokhov
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie gory 1-3, Moscow 119991, Russian Federation
| | - Igor V. Trushkov
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky pr. 47, Moscow 119991, Russian Federation
- Laboratory of Chemical Synthesis, Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Samory Mashela 1, Moscow 117997, Russian Federation
| | - Olga A. Ivanova
- Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie gory 1-3, Moscow 119991, Russian Federation
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky pr. 47, Moscow 119991, Russian Federation
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37
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Augustin AU, Merz JL, Jones PG, Mlostoń G, Werz DB. (4 + 3)-Cycloaddition of Donor–Acceptor Cyclopropanes with Thiochalcones: A Diastereoselective Access to Tetrahydrothiepines. Org Lett 2019; 21:9405-9409. [DOI: 10.1021/acs.orglett.9b03623] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- André U. Augustin
- Technische Universität Braunschweig, Institute of Organic Chemistry and Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - J. Luca Merz
- Technische Universität Braunschweig, Institute of Organic Chemistry and Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - Peter G. Jones
- Technische Universität Braunschweig, Institute of Organic Chemistry and Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - Grzegorz Mlostoń
- Department of Organic and Applied Chemistry, University of Łodź, Tamka 12, 91-403 Łodź, Poland
| | - Daniel B. Werz
- Technische Universität Braunschweig, Institute of Organic Chemistry and Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106 Braunschweig, Germany
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38
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Ivanova OA, Trushkov IV. Donor-Acceptor Cyclopropanes in the Synthesis of Carbocycles. CHEM REC 2019; 19:2189-2208. [PMID: 30707497 DOI: 10.1002/tcr.201800166] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 01/07/2019] [Indexed: 01/24/2023]
Abstract
Donor-acceptor cyclopropanes not only participate in a broad range of ring openings with nucleophiles, electrophiles, radical and red-ox agents, but also are excellent substrates for various (3+n)-cycloaddition and (3+n)-annulation processes. Moreover, under treatment with Lewis acid donor-acceptor cyclopropanes can produce new ring systems via isomerization or cyclodimerization. Authors' contribution to the synthesis of diverse carbocycles from donor-acceptor cyclopropanes is summarized in this account.
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Affiliation(s)
- Olga A Ivanova
- Department of Chemistry, M.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow, 119991, Russian Federation.,N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, Moscow, 119991, Russian Federation
| | - Igor V Trushkov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, Moscow, 119991, Russian Federation.,Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology, Samory Mashela, 1, Moscow, 117997, Russian Federation
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39
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Mondal M, Panda M, McKee V, Kerrigan NJ. Asymmetric Synthesis of Tetrahydrofurans through Palladium(0)-Catalyzed [3 + 2]-Cycloaddition of Vinylcyclopropanes with Ketenes. J Org Chem 2019; 84:11983-11991. [DOI: 10.1021/acs.joc.9b01854] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Mukulesh Mondal
- Department of Chemistry, Oakland University, 2200 N. Squirrel Road, Rochester, Michigan 48309-4477, United States
| | - Manashi Panda
- Department of Chemistry, Oakland University, 2200 N. Squirrel Road, Rochester, Michigan 48309-4477, United States
| | - Vickie McKee
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark
| | - Nessan J. Kerrigan
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
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40
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Mishra M, De PB, Pradhan S, Punniyamurthy T. Stereospecific Copper(II)-Catalyzed Tandem Ring Opening/Oxidative Alkylation of Donor-Acceptor Cyclopropanes with Hydrazones: Synthesis of Tetrahydropyridazines. J Org Chem 2019; 84:10901-10910. [PMID: 31385502 DOI: 10.1021/acs.joc.9b01506] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Aerobic copper(II)-catalyzed tandem ring opening and oxidative C-H alkylation of donor-acceptor cyclopropanes with bisaryl hydrazones is accomplished to produce tetrahydropyridazines, in which copper(II) plays dual role as a Lewis acid as well as redox catalyst. The reaction is stereospecific, and optically active cyclopropanes can be reacted with high optical purities (89-98% enantiomeric excess). The substrate scope, functional group tolerance, dual role of the copper(II) catalyst, and the use of air as an oxidant are the important practical features. A product bearing a 3-bromoaryl group can be subjected to Pd-catalyzed Suzuki coupling with boronic acid in high yield.
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Affiliation(s)
- Manmath Mishra
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
| | - Pinaki Bhusan De
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
| | - Sourav Pradhan
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
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41
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Pandit RP, Kim ST, Ryu DH. Asymmetric Synthesis of Enantioenriched 2‐Aryl‐2,3‐Dihydrobenzofurans by a Lewis Acid Catalyzed Cyclopropanation/Intramolecular Rearrangement Sequence. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906954] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | - Seung Tae Kim
- Department of ChemistrySungkyunkwan University 300, Cheoncheon, Jangan Suwon 16419 Korea
| | - Do Hyun Ryu
- Department of ChemistrySungkyunkwan University 300, Cheoncheon, Jangan Suwon 16419 Korea
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42
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Pandit RP, Kim ST, Ryu DH. Asymmetric Synthesis of Enantioenriched 2-Aryl-2,3-Dihydrobenzofurans by a Lewis Acid Catalyzed Cyclopropanation/Intramolecular Rearrangement Sequence. Angew Chem Int Ed Engl 2019; 58:13427-13432. [PMID: 31309680 DOI: 10.1002/anie.201906954] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Indexed: 12/14/2022]
Abstract
A cyclopropanation/intramolecular rearrangement initiated by the Michael addition of in situ generated ortho-quinone methides (o-QMs) has been developed for the enantioselective synthesis of 2-aryl-2,3-dihydrobenzofurans containing two consecutive stereogenic centers, including a quaternary carbon atom. In the presence of a chiral oxazaborolidinium ion catalyst, the reaction proceeded in excellent yields (up to 95 %) with excellent stereoselectivity (up to >99 ee, up to >20:1 d.r.).
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Affiliation(s)
- Rameshwar Prasad Pandit
- Department of Chemistry, Sungkyunkwan University, 300, Cheoncheon, Jangan, Suwon, 16419, Korea
| | - Seung Tae Kim
- Department of Chemistry, Sungkyunkwan University, 300, Cheoncheon, Jangan, Suwon, 16419, Korea
| | - Do Hyun Ryu
- Department of Chemistry, Sungkyunkwan University, 300, Cheoncheon, Jangan, Suwon, 16419, Korea
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43
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Su Z, Xie Z, Wang S, Luo N, Wang C. Direct synthesis of highly functionalized furans from donor-acceptor cyclopropanes via DBU-mediated ring expansion reactions. Org Biomol Chem 2019; 17:7342-7351. [PMID: 31334531 DOI: 10.1039/c9ob01308c] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A DBU-mediated, unprecedented formal ring expansion reaction of 2-acyl-3-arylcyclopropane-1,1-dicarbonitriles for the synthesis of multisubstituted furan derivatives is reported. This transformation represents the regioselective ring-opening reaction of cyclopropane-1,1-dicarbonitriles and annulation using an intramolecular addition cascade reaction protocol for the synthesis of fully substituted furans includes use of readily available starting materials, mild reaction conditions, and it is transition-metal catalyst free, has good functional tolerance, and broad substrate scope.
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Affiliation(s)
- Zhenjie Su
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Street, Yangzhou 225002, PR China.
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44
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Dhote PS, Ramana CV. One-Pot Au[III]-/Lewis Acid Catalyzed Cycloisomerization of Nitroalkynes and [3 + 3]Cycloaddition with Donor–Acceptor Cyclopropanes. Org Lett 2019; 21:6221-6224. [DOI: 10.1021/acs.orglett.9b02035] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Pawan S. Dhote
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
- Academy of Scientific and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110002, India
| | - Chepuri V. Ramana
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
- Academy of Scientific and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110002, India
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45
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Ketan Das B, Pradhan S, Punniyamurthy T. Stereospecific assembly of tetrahydroquinolines via tandem ring-opening/oxidative cyclization of donor-acceptor cyclopropanes with N-alkyl anilines. Chem Commun (Camb) 2019; 55:8083-8086. [PMID: 31231737 DOI: 10.1039/c9cc04042k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
An aerobic copper-catalyzed tandem reaction of N-alkyl anilines with donor-acceptor cyclopropanes is presented for the construction of tetrahydroquinolines via a sequential stereospecific ring opening and oxidative cyclization. The catalyst plays a dual role as a Lewis acid as well as being a redox catalyst. The use of air as an oxidant and the broad substrate scope are the important practical features.
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Affiliation(s)
- Bijay Ketan Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
| | - Sourav Pradhan
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
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46
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Ghosh A, Chawla V, Banerjee P. An Assessment of Electrophilic N-Transfer of Oxaziridine with Different 2-, 3-, and 4-Carbon Donor-Acceptor Substrates to Furnish Diverse N-Containing Heterocycles in a Single Step. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900589] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Asit Ghosh
- Department of Chemistry; Indian Institute of Technology; Nangal Road Rupnagar, Punjab Pin 140001 India
| | - Vatan Chawla
- Department of Chemistry; Indian Institute of Technology; Nangal Road Rupnagar, Punjab Pin 140001 India
| | - Prabal Banerjee
- Department of Chemistry; Indian Institute of Technology; Nangal Road Rupnagar, Punjab Pin 140001 India
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47
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Gopinath P, Chandrasekaran S. Recent Advances in the Chemistry of Doubly Activated Cyclopropanes: Synthesis and Reactivity. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190213114604] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Diactivated cyclopropanes containing two geminal electron withdrawing
groups, commonly called as ‘Doubly Activated Cyclopropanes’ are useful synthons for
the synthesis of many interesting natural products and functionalized molecules. These
geminal electron withdrawing groups (EWG’s) facilitate the regioselective ring opening of
cyclopropanes by polarizing the C-C bond adjacent to it. This polarization also allows
them to undergo 1,3 dipolar cycloaddition reactions when substituted with a suitable electron
donor substituent at the adjacent carbon (donor-acceptor cyclopropanes) in the presence
of suitable dipolarophiles. In this review, we discuss the recent advances in the
chemistry of doubly activated cyclopropanes: their synthesis, reactions and applications in
total synthesis.
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Affiliation(s)
- Purushothaman Gopinath
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
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48
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Lücht A, Jones PG, Werz DB. Reactions of 3,3′-Linked Bispyrroles with Carbon Electrophiles. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900106] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Alexander Lücht
- Institut für Organische Chemie; Technische Universität Braunschweig; Hagenring 30 38106 Braunschweig Germany
| | - Peter G. Jones
- Institut für Anorganische und Analytische Chemie; Technische Universität Braunschweig; Hagenring 30 38106 Braunschweig Germany
| | - Daniel B. Werz
- Institut für Organische Chemie; Technische Universität Braunschweig; Hagenring 30 38106 Braunschweig Germany
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49
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Varshnaya RK, Banerjee P. Lewis Acid-Catalyzed [3+3] Annulation of Donor–Acceptor Cyclopropanes and Indonyl Alcohols: One Step Synthesis of Substituted Carbazoles with Promising Photophysical Properties. J Org Chem 2019; 84:1614-1623. [DOI: 10.1021/acs.joc.8b02733] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Rohit Kumar Varshnaya
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab 140001, India
| | - Prabal Banerjee
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab 140001, India
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50
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Mondal M, Panda M, Davis NW, McKee V, Kerrigan NJ. Asymmetric synthesis of cyclopentanones through dual Lewis acid-catalysed [3+2]-cycloaddition of donor–acceptor cyclopropanes with ketenes. Chem Commun (Camb) 2019; 55:13558-13561. [DOI: 10.1039/c9cc07477e] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A dual Lewis acid system promotes the formal [3+2]-cycloaddition of enantioenriched donor–acceptor cyclopropanes with ketenes to afford cyclopentanones.
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Affiliation(s)
| | | | | | - Vickie McKee
- School of Chemical Sciences
- Dublin City University
- Dublin 9
- Ireland
- Department of Physics
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