1
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Hanneman CM, Twilton J, Hall MN, Goodwin NC, Elward JM, Lynch-Colameta T, Stahl SS. Copper-Nitroxyl-Catalyzed α-Oxygenation of Cyclic Secondary Amines Including Application to Late-Stage Functionalization. J Am Chem Soc 2024; 146:14439-14444. [PMID: 38743876 PMCID: PMC11409824 DOI: 10.1021/jacs.4c04359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Cyclic secondary amines are prominent subunits in pharmaceutical compounds. Methods for direct functionalization of N-unprotected/unsubstituted piperidines and related heterocycles have limited precedent despite their potential to impact medicinal chemistry and organic synthesis. Herein, we report a Cu/nitroxyl co-catalyzed method for direct conversion of cyclic secondary amines to the corresponding lactams via aerobic dehydrogenation and oxidative coupling with water. The mild reaction conditions tolerate diverse functional groups, enabling application to molecules that cover broad chemical space. The method is showcased in selective functionalization of building blocks and complex molecules, including late-stage functionalization of bromodomain inhibitors.
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Affiliation(s)
- Christopher M Hanneman
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Jack Twilton
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Melissa N Hall
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Nicole C Goodwin
- GSK, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426, United States
| | - Jennifer M Elward
- GSK, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426, United States
| | - Tessa Lynch-Colameta
- GSK, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426, United States
| | - Shannon S Stahl
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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2
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Zhao F, Tan B, Li Q, Tan Q, Huang H. Progress in C-C and C-Heteroatom Bonds Construction Using Alcohols as Acyl Precursors. Molecules 2022; 27:8977. [PMID: 36558110 PMCID: PMC9781314 DOI: 10.3390/molecules27248977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Acyl moiety is a common structural unit in organic molecules, thus acylation methods have been widely explored to construct various functional compounds. While the traditional Friedel-Crafts acylation processes work to allow viable construction of arylketones under harsh acid conditions, recent progress on developing acylation methods focused on the new reactivity discovery by exploiting versatile and easily accessible acylating reagents. Of them, alcohols are cheap, have low toxicity, and are naturally abundant feedstocks; thus, they were recently used as ideal acyl precursors in molecule synthesis for ketones, esters, amides, etc. In this review, we display and discuss recent advances in employing alcohols as unusual acyl sources to form C-C and C-heteroatom bonds, with emphasis on the substrate scope, limitations, and mechanism.
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Affiliation(s)
- Feng Zhao
- Hunan Provincial Key Laboratory for Synthetic Biology of Traditional Chinese Medicine, School of Pharmaceutical Sciences, Hunan University of Medicine, Huaihua 418000, China
| | - Bin Tan
- Hunan Provincial Key Laboratory for Synthetic Biology of Traditional Chinese Medicine, School of Pharmaceutical Sciences, Hunan University of Medicine, Huaihua 418000, China
| | - Qing Li
- Hunan Provincial Key Laboratory for Synthetic Biology of Traditional Chinese Medicine, School of Pharmaceutical Sciences, Hunan University of Medicine, Huaihua 418000, China
| | - Qi Tan
- Hunan Provincial Key Laboratory for Synthetic Biology of Traditional Chinese Medicine, School of Pharmaceutical Sciences, Hunan University of Medicine, Huaihua 418000, China
| | - Huawen Huang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
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3
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Lopat’eva ER, Krylov IB, Lapshin DA, Terent’ev AO. Redox-active molecules as organocatalysts for selective oxidative transformations - an unperceived organocatalysis field. Beilstein J Org Chem 2022; 18:1672-1695. [PMID: 36570566 PMCID: PMC9749543 DOI: 10.3762/bjoc.18.179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 11/23/2022] [Indexed: 12/13/2022] Open
Abstract
Organocatalysis is widely recognized as a key synthetic methodology in organic chemistry. It allows chemists to avoid the use of precious and (or) toxic metals by taking advantage of the catalytic activity of small and synthetically available molecules. Today, the term organocatalysis is mainly associated with redox-neutral asymmetric catalysis of C-C bond-forming processes, such as aldol reactions, Michael reactions, cycloaddition reactions, etc. Organophotoredox catalysis has emerged recently as another important catalysis type which has gained much attention and has been quite well-reviewed. At the same time, there are a significant number of other processes, especially oxidative, catalyzed by redox-active organic molecules in the ground state (without light excitation). Unfortunately, many of such processes are not associated in the literature with the organocatalysis field and thus many achievements are not fully consolidated and systematized. The present article is aimed at overviewing the current state-of-art and perspectives of oxidative organocatalysis by redox-active molecules with the emphasis on challenging chemo-, regio- and stereoselective CH-functionalization processes. The catalytic systems based on N-oxyl radicals, amines, thiols, oxaziridines, ketone/peroxide, quinones, and iodine(I/III) compounds are the most developed catalyst types which are covered here.
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Affiliation(s)
- Elena R Lopat’eva
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Igor B Krylov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Dmitry A Lapshin
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Alexander O Terent’ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
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4
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Fu W, Zhu L, Tan S, Zhao Z, Yu X, Wang L. Copper/Nitroxyl-Catalyzed Synthesis of Pyrroles by Oxidative Coupling of Diols and Primary Amines at Room Temperature. J Org Chem 2022; 87:13389-13395. [PMID: 36130051 DOI: 10.1021/acs.joc.2c01646] [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 Cu/ABNO-catalyzed aerobic oxidative coupling of diols and primary amines to access N-substituted pyrroles is highlighted (ABNO = 9-azabicyclo[3.3.1]nonane N-oxyl). The reaction proceeds at room temperature with an O2 balloon as the oxidant using commercially available materials as the substrates and catalysts. The catalyst system is characterized by a broad range of substrates and a good tolerance to sensitive functional groups. The gram-scale experiment proves this system's practicability.
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Affiliation(s)
- Weiru Fu
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China
| | - Lina Zhu
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China
| | - Shangzhi Tan
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China
| | - Zhengjia Zhao
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China
| | - Xiangzhu Yu
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China
| | - Lianyue Wang
- College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China
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5
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Alam T, Rakshit A, Dhara HN, Palai A, Patel BK. Electrochemical Amidation: Benzoyl Hydrazine/Carbazate and Amine as Coupling Partners. Org Lett 2022; 24:6619-6624. [PMID: 36069423 DOI: 10.1021/acs.orglett.2c02626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An electrochemical amidation of benzoyl hydrazine/carbazate and primary/secondary amine as coupling partners via concomitant cleavage and formation of C(sp2)-N bonds has been achieved. This methodology proceeds under metal-free and exogenous oxidant-free conditions producing N2 and H2 as byproducts. Mechanistic studies reveal the in situ generations of both acyl and N-centered radicals from benzoyl hydrazines and amines. The utility of this protocol is demonstrated through a large-scale, and synthesis of bezafibrate, a hyperlipidemic drug.
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Affiliation(s)
- Tipu Alam
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati 781039, India
| | - Amitava Rakshit
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati 781039, India
| | - Hirendra Nath Dhara
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati 781039, India
| | - Angshuman Palai
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati 781039, India
| | - Bhisma K Patel
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati 781039, India
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6
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Goncharova IK, Tukhvatshin RS, Novikov RA, Volodin AD, Korlyukov AA, Lakhtin VG, Arzumanyan A. Complementary Cooperative Catalytic Systems in the Aerobic Oxidation of a Wide Range of Si–H‐Reagents to Si–OH‐Products: From Monomers to Oligomers and Polymers. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200871] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Irina K. Goncharova
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organoelements compounds RUSSIAN FEDERATION
| | - Rinat S. Tukhvatshin
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organoelements compounds RUSSIAN FEDERATION
| | - Roman A. Novikov
- Zelinsky Institute of Organic Chemistry RAS: Institut organiceskoj himii imeni N D Zelinskogo RAN Organic chemistry RUSSIAN FEDERATION
| | - Alexander D. Volodin
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organoelements compounds RUSSIAN FEDERATION
| | - Alexander A. Korlyukov
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organoelements compounds RUSSIAN FEDERATION
| | - Valentin G. Lakhtin
- A V Topchiev Institute of Petrochemical Synthesis Russian Academy of Sciences: Institut neftehimiceskogo sinteza imeni A V Topcieva Rossijskaa akademia nauk Organoelements compounds RUSSIAN FEDERATION
| | - Ashot Arzumanyan
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Chemistry 28 Vavilov str. 119991 Moscow RUSSIAN FEDERATION
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7
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Gogoi G, Baruah MJ, Biswas S, Hoque N, Lee S, Park YB, Saikia L, Bania KK. CuO-Fe(III)-Zeolite-Y as efficient catalyst for oxidative alcohol-amine coupling reactions. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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8
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Lian P, Li R, Wan X, Xiang Z, Liu H, Cao Z, Wan X. Acetylation of alcohols and amines under visible light irradiation: diacetyl as an acylation reagent and photosensitizer. Org Chem Front 2022. [DOI: 10.1039/d1qo01613j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
An unprecedented strategy for the acetylation of alcohols and amines using diacetyl as both an acylation reagent and a photosensitizer was well developed.
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Affiliation(s)
- Pengcheng Lian
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Ruyi Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiao Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zixin Xiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hang Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zhiyu Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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9
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Yan Z, Liu F, Wang X, Qiang Q, Li Y, Zhang Y, Rong Z. Redox-Neutral Dehydrogenative Cross-Coupling of Alcohols and Amines Enabled by Nickel Catalysis. Org Chem Front 2022. [DOI: 10.1039/d2qo00004k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Presented herein is a facile and straightforward synthetic method for the construction of amides via Ni/NHC-catalyzed amidation of alcohols with amines. The strategy exhibits various advantages over existing methods, including...
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10
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Wang YJ, Zhang GY, Shoberu A, Zou JP. Iron-catalyzed oxidative amidation of acylhydrazines with amines. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Liu J, Guðmundsson A, Bäckvall J. Efficient Aerobic Oxidation of Organic Molecules by Multistep Electron Transfer. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012707] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jie Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Hunan University 410082 Changsha China
- Department of Organic Chemistry Arrhenius Laboratory Stockholm University SE-10691 Stockholm Sweden
| | - Arnar Guðmundsson
- Department of Organic Chemistry Arrhenius Laboratory Stockholm University SE-10691 Stockholm Sweden
| | - Jan‐E. Bäckvall
- Department of Organic Chemistry Arrhenius Laboratory Stockholm University SE-10691 Stockholm Sweden
- Department of Natural Sciences Mid Sweden University Holmgatan 10 SE-85170 Sundsvall Sweden
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12
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Liu J, Guðmundsson A, Bäckvall J. Efficient Aerobic Oxidation of Organic Molecules by Multistep Electron Transfer. Angew Chem Int Ed Engl 2021; 60:15686-15704. [PMID: 33368909 PMCID: PMC9545650 DOI: 10.1002/anie.202012707] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Indexed: 12/17/2022]
Abstract
This Minireview presents recent important homogenous aerobic oxidative reactions which are assisted by electron transfer mediators (ETMs). Compared with direct oxidation by molecular oxygen (O2 ), the use of a coupled catalyst system with ETMs leads to a lower overall energy barrier via stepwise electron transfer. This cooperative catalytic process significantly facilitates the transport of electrons from the reduced form of the substrate-selective redox catalyst (SSRCred ) to O2 , thereby increasing the efficiency of the aerobic oxidation. In this Minireview, we have summarized the advances accomplished in recent years in transition-metal-catalyzed as well as metal-free aerobic oxidations of organic molecules in the presence of ETMs. In addition, the recent progress of photochemical and electrochemical oxidative functionalization using ETMs and O2 as the terminal oxidant is also highlighted. Furthermore, the mechanisms of these transformations are showcased.
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Affiliation(s)
- Jie Liu
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University410082ChangshaChina
- Department of Organic ChemistryArrhenius LaboratoryStockholm UniversitySE-10691StockholmSweden
| | - Arnar Guðmundsson
- Department of Organic ChemistryArrhenius LaboratoryStockholm UniversitySE-10691StockholmSweden
| | - Jan‐E. Bäckvall
- Department of Organic ChemistryArrhenius LaboratoryStockholm UniversitySE-10691StockholmSweden
- Department of Natural SciencesMid Sweden UniversityHolmgatan 10SE-85170SundsvallSweden
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13
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Kar S, Xie Y, Zhou QQ, Diskin-Posner Y, Ben-David Y, Milstein D. Near-Ambient-Temperature Dehydrogenative Synthesis of the Amide Bond: Mechanistic Insight and Applications. ACS Catal 2021; 11:7383-7393. [PMID: 34168903 PMCID: PMC8218306 DOI: 10.1021/acscatal.1c00728] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 05/10/2021] [Indexed: 01/03/2023]
Abstract
The current existing methods for the amide bond synthesis via acceptorless dehydrogenative coupling of amines and alcohols all require high reaction temperatures for effective catalysis, typically involving reflux in toluene, limiting their potential practical applications. Herein, we report a system for this reaction that proceeds under mild conditions (reflux in diethyl ether, boiling point 34.6 °C) using ruthenium PNNH complexes. The low-temperature activity stems from the ability of Ru-PNNH complexes to activate alcohol and hemiaminals at near-ambient temperatures through the assistance of the terminal N-H proton. Mechanistic studies reveal the presence of an unexpected aldehyde-bound ruthenium species during the reaction, which is also the catalytic resting state. We further utilize the low-temperature activity to synthesize several simple amide bond-containing commercially available pharmaceutical drugs from the corresponding amines and alcohols via the dehydrogenative coupling method.
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Affiliation(s)
- Sayan Kar
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yinjun Xie
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, Rehovot 76100, Israel
| | - Quan Quan Zhou
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yael Diskin-Posner
- Department
of Chemical Research Support, The Weizmann
Institute of Science, Rehovot 76100, Israel
| | - Yehoshoa Ben-David
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, Rehovot 76100, Israel
| | - David Milstein
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, Rehovot 76100, Israel
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14
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Vasilopoulos A, Krska SW, Stahl SS. C(sp 3)-H methylation enabled by peroxide photosensitization and Ni-mediated radical coupling. Science 2021; 372:398-403. [PMID: 33888639 PMCID: PMC8110093 DOI: 10.1126/science.abh2623] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 03/25/2021] [Indexed: 12/20/2022]
Abstract
The "magic methyl" effect describes the change in potency, selectivity, and/or metabolic stability of a drug candidate associated with addition of a single methyl group. We report a synthetic method that enables direct methylation of C(sp3)-H bonds in diverse drug-like molecules and pharmaceutical building blocks. Visible light-initiated triplet energy transfer promotes homolysis of the O-O bond in di-tert-butyl or dicumyl peroxide under mild conditions. The resulting alkoxyl radicals undergo divergent reactivity, either hydrogen-atom transfer from a substrate C-H bond or generation of a methyl radical via β-methyl scission. The relative rates of these steps may be tuned by varying the reaction conditions or peroxide substituents to optimize the yield of methylated product arising from nickel-mediated cross-coupling of substrate and methyl radicals.
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Affiliation(s)
| | | | - Shannon S Stahl
- Department of Chemistry, University of Wisconsin, Madison, WI 53706, USA.
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15
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Singha K, Ghosh SC, Panda AB. Visible Light‐Driven Efficient Synthesis of Amides from Alcohols using Cu−N−TiO
2
Heterogeneous Photocatalyst. European J Org Chem 2021. [DOI: 10.1002/ejoc.202001466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Krishnadipti Singha
- CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) GB Marg Bhavnagar 364002 Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Subhash Chandra Ghosh
- CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) GB Marg Bhavnagar 364002 Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Asit Baran Panda
- CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) GB Marg Bhavnagar 364002 Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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16
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Xia S, Jiang Z, Huang Y, Li D, Cui Y, Li Y, Xia Y. Synthesis of Titanium Complexes Supported by Carbinolamide- and Amide-Containing Ligands Derived from Ti(NMe 2) 4-Mediated Selective Amidations of Carbonyl Groups. Inorg Chem 2020; 59:14031-14041. [PMID: 32955246 DOI: 10.1021/acs.inorgchem.0c01831] [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 strategy for the syntheses of a series of titanium complexes has been developed. This protocol features the employment of Ti(NMe2)4 both as the metal center to trigger the deprotonation of the ligands and as an amine source to proceed the amidation reactions of carbonyl functionalities of the ligands. Treatment of Ti(NMe2)4 with a ligand HL1 (HL1 = 2,2'-(((2-hydroxybenzyl)azanediyl)bis(ethane-2,1-diyl))bis(isoindoline-1,3-dione) results in the formation of Ti(L1')(NMe2) (1) (H3L1' = N1-(2-((2-(1-(dimethylamino)-1-hydroxy-3-oxoisoindolin-2-yl)ethyl)(2-hydroxybenzyl)amino)ethyl)-N2,N2-dimethylphthalamide). One important feature regarding the synthesis of 1 is the occurrence of the in situ metal-ligand reaction between Ti(NMe2)4 and HL1, leading to the simultaneous formations of carbinolamide and amide scaffolds. Another prominent feature in terms of the preparation of 1 is the achievement of the selective ring-opening reaction of one of the two phthalimide units of the HL1 ligand, affording carbinolamide and amide functionalities within one ligand set. The developed methodology characterizes an ample substrate scope. The selective amidation reactions of the carbonyl groups have been realized for a series of analogous ligands HL2-HL7. Density functional theory calculations were employed to disclose the mechanisms for the formation of 1-7, and the details for the selective ring-opening reactions of the phthalimide unit were uncovered.
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Affiliation(s)
- Shengwang Xia
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Zhilei Jiang
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Yuan Huang
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Dawei Li
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Yanfeng Cui
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Yahong Li
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Yuanzhi Xia
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People's Republic of China
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17
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Sharma S, Buchbinder NW, Braje WM, Handa S. Fast Amide Couplings in Water: Extraction, Column Chromatography, and Crystallization Not Required. Org Lett 2020; 22:5737-5740. [PMID: 32574062 DOI: 10.1021/acs.orglett.0c01676] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In the micelle of PS-750-M, the presence of 3° amides from the surfactant proline linker mimics dimethylformamide, dimethylacetamide, and N-methyl-2-pyrrolidone. The resultant micellar properties enable extremely fast amide couplings mediated by 1-ethyl-3-(3-(dimethylamino)propyl)carbodiimide (without hydroxybenzotriazole), rather than expensive and specialized coupling agents. Conditions have been developed wherein products precipitate, and isolation by filtration completely avoids the use of organic solvent. This methodology is scalable and avoids product epimerization.
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Affiliation(s)
- Sudripet Sharma
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Nicklas W Buchbinder
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Wilfried M Braje
- Neuroscience Discovery Research, AbbVie Deutschland GmbH & Co. KG, Ludwigshafen, Germany
| | - Sachin Handa
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
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18
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Zhang C, Li Z, Chen J, Qi S, Fang Y, Zhang S, Ren C, Lu F, Liang Z, Jiang S, Jia X, Yu S, Zhang G. Base-Mediated Amination of Alcohols Using Amidines. J Org Chem 2020; 85:7728-7738. [DOI: 10.1021/acs.joc.0c00281] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | | | - Jianbin Chen
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, P. R. China
| | | | | | | | | | | | | | - Shaohua Jiang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, P. R. China
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19
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Shah SS, Shee M, Venkatesh Y, Singh AK, Samanta S, Singh NDP. Organophotoredox‐Mediated Amide Synthesis by Coupling Alcohol and Amine through Aerobic Oxidation of Alcohol. Chemistry 2020; 26:3703-3708. [PMID: 31923326 DOI: 10.1002/chem.201904924] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Indexed: 12/30/2022]
Affiliation(s)
- Sk. Sheriff Shah
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - Maniklal Shee
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - Yarra Venkatesh
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - Amit Kumar Singh
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - Samya Samanta
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - N. D. Pradeep Singh
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
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20
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Pichardo MC, Tavakoli G, Armstrong JE, Wilczek T, Thomas BE, Prechtl MHG. Copper-Catalyzed Formylation of Amines by using Methanol as the C1 Source. CHEMSUSCHEM 2020; 13:882-887. [PMID: 31916381 DOI: 10.1002/cssc.201903266] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/08/2020] [Indexed: 06/10/2023]
Abstract
Cu/TEMPO catalyst systems are known for the selective transformation of alcohols to aldehydes, as well as for the simultaneous coupling of alcohols and amines to imines under oxidative conditions. In this study, such a Cu/TEMPO catalyst system is found to catalyze the N-formylation of a variety of amines by initial oxidative activation of methanol as the carbonyl source via formaldehyde and formation of N,O-hemiacetals and oxidation of the latter under very mild conditions. A vast range of amines, including aromatic and aliphatic, primary and secondary, and linear and cyclic amines are formylated under these conditions with good to excellent yields. Moreover, paraformaldehyde can be used instead of methanol for the N-formylation.
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Affiliation(s)
| | - Ghazal Tavakoli
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
| | - Jessica E Armstrong
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
- Department of Chemistry, Yale University, 225 Prospect St, New Haven, CT, 06511-8499, USA
| | - Tobias Wilczek
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
| | - Bradley E Thomas
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
| | - Martin H G Prechtl
- Department of Chemistry, University of Cologne, Greinstr. 6, 50939, Köln, Germany
- Department of Science and Environment, Roskilde University, Universitetsvej 1, 4000, Roskilde, Denmark
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21
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Dufrénoy P, Charlet R, Hechelski M, Daïch A, Waterlot C, Jawhara S, Ghinet A. New Efficient Eco-Friendly Supported Catalysts for the Synthesis of Amides with Antioxidant and Anti-Inflammatory Properties. ChemMedChem 2020; 15:459-467. [PMID: 32022481 DOI: 10.1002/cmdc.201900641] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 01/21/2020] [Indexed: 12/21/2022]
Abstract
A new environmentally friendly approach for the synthesis of idrocilamide (1), a marketed myorelaxant and anti-inflammatory agent, is reported herein. The synthetic strategy involves a solvent-free aminolysis reaction catalyzed by zinc-containing species (ZnCl2 , montmorillonite K10 (MK10) impregnated with ZnCl2 or eco-catalysts). The latter have been prepared from the aerial parts of Lolium perenne L. plants grown on contaminated soils from northern France without and with thermal activation at 120 °C and supported on MK10 (Ecocat1 and Ecocat2, respectively). The best aminolysis catalysts in the current study (ZnCl2 and Ecocat2) were selected for additional aminolyses. Compared to ZnCl2 , Ecocat2 had the advantage of being reusable over five test runs and constituted a sustainable catalyst allowing a green route to idrocilamide. Synthesized derivatives 1-4, 6 and 9 were first evaluated for their effect on reactive oxygen species (ROS) generation from macrophages and displayed antioxidant properties by preventing ROS production. Next, the analysis of the effect of molecules 1-4, 6 and 9 on macrophage migration between epithelial cells to human opportunistic fungus Candida albicans indicated that molecules 2-4, 6 and 9 exert anti-inflammatory properties via reducing macrophage migration while the parent idrocilamide (1) did not show any significant effect. This work opens the way for the discovery of new analogues of idrocilamide with improved properties.
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Affiliation(s)
- Pierrick Dufrénoy
- Laboratoire de chimie durable et santé, Yncréa Hauts-de-France, UCLille, 13 rue de Toul, 56046, Lille, France
| | - Rogatien Charlet
- Faculté de Médecine, Université de Lille, Place Verdun, 59045, Lille Cedex, France
| | - Marie Hechelski
- Institut Supérieur d'Agriculture, UCLille, 48 boulevard Vauban, 59046, Lille Cedex, France
| | - Adam Daïch
- UFR des Sciences et Techniques, Université Le Havre Normandie, 25 rue Philipe Lebon, 76063, Le Havre Cedex, France
| | - Christophe Waterlot
- Institut Supérieur d'Agriculture, UCLille, 48 boulevard Vauban, 59046, Lille Cedex, France.,Institut Supérieur d'Agriculture, UCLille, 48 boulevard Vauban, 59046, Lille Cedex, France
| | - Samir Jawhara
- Faculté de Médecine, Université de Lille, Place Verdun, 59045, Lille Cedex, France
| | - Alina Ghinet
- Laboratoire de chimie durable et santé, Yncréa Hauts-de-France, UCLille, 13 rue de Toul, 56046, Lille, France.,Faculty of Chemistry, University of Iasi, Bd. Carol I, nr. 11, 700506, Iasi, Romania
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22
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Crudden C, Jones CW. Shannon Stahl Is the Winner of the 2020 ACS Catalysis Lectureship. ACS Catal 2020. [DOI: 10.1021/acscatal.0c00455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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West MJ, Thomson B, Vantourout JC, Watson AJB. Discovery, Scope, and Limitations of an
N
‐Dealkylation/
N
‐Arylation of Secondary Sulfonamides under Chan−Lam Conditions. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Matthew J. West
- EaStCHEM, School of ChemistryUniversity of St Andrews North Haugh, St Andrews Fife KY16 9ST UK
| | - Brodie Thomson
- EaStCHEM, School of ChemistryUniversity of St Andrews North Haugh, St Andrews Fife KY16 9ST UK
| | - Julien C. Vantourout
- Department of ChemistryThe Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Allan J. B. Watson
- EaStCHEM, School of ChemistryUniversity of St Andrews North Haugh, St Andrews Fife KY16 9ST UK
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