1
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Parui N, Mandal T, Maiti S, Dash J. Efficient Synthesis of Cyclohepta[b]indoles and Cyclohepta[b]indole-Indoline Conjugates via RCM, Hydrogenation, and Acid-Catalyzed Ring Expansion: A Biomimetic Approach. Chemistry 2024; 30:e202401059. [PMID: 38623002 DOI: 10.1002/chem.202401059] [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: 04/22/2024] [Accepted: 04/15/2024] [Indexed: 04/17/2024]
Abstract
Cyclohepta[b]indoles, prevalent in natural products and pharmaceuticals, are conventionally accessed via metal or Lewis acid-mediated cycloadditions with prefunctionalized substrates. Our study introduces an innovative sequential catalytic assembly for synthesizing cyclohepta[b]indoles from readily available isatin derivatives. The process involves three catalytic sequences: ring-closing metathesis, catalytic hydrogenation, and acid-catalyzed ring expansion. The RCM of 2,2-dialkene-3-oxindoles, formed by butenyl Grignard addition to 3-allyl-3-hydroxy-2-oxindoles, yields versatile spirocyclohexene-3-oxindole derivatives. These derivatives undergo further transformations, including dibromination, dihydroxylation, epoxidation, Wacker oxidation at the double bond. Hydrogenation of spirocyclohexene-3-oxindole yields spirocyclohexane-3-oxindoles. Their subsequent acid-catalyzed ring expansion/aromatization, dependent on the acid catalyst, results in either cyclohepta[b]indoles or cyclohepta[b]indole-indoline conjugates, adding a unique synthetic dimension. The utility of this methodology is exemplified through the synthesis of an A-FABP inhibitor, showcasing its potential in pharmaceutical applications.
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Affiliation(s)
- Nabin Parui
- School of chemical sciences, Indian Association for the Cultivation of Science, Jadavpur, 700032, Kolkata, India
| | - Tirtha Mandal
- School of chemical sciences, Indian Association for the Cultivation of Science, Jadavpur, 700032, Kolkata, India
| | - Sandip Maiti
- School of chemical sciences, Indian Association for the Cultivation of Science, Jadavpur, 700032, Kolkata, India
| | - Jyotirmayee Dash
- School of chemical sciences, Indian Association for the Cultivation of Science, Jadavpur, 700032, Kolkata, India
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2
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Ghosh P, Karak A, Mahapatra AK. Small-molecule fluorogenic probes based on indole scaffold. Org Biomol Chem 2024; 22:2690-2718. [PMID: 38465421 DOI: 10.1039/d3ob02057f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Indoles are the most versatile organic N-heterocyclic compounds widely present in bioactive natural products and used in different fields such as coordination chemistry, pharmacy, dyes, and medicine, as well as in the biology and polymer industries. More recently, the indole scaffold has been widely used in analytical chemistry for the design and development of small-molecule fluorescent chemosensors in the fields of molecular recognition and molecular imaging. The indole-based chemosensor derivatives contain heteroatoms like N-, O-, and S-, through which they interact with analytes (cations, anions, and neutral species), producing measurable analytical signals that can be used for the fluorimetric and colorimetric detection of different analytes in biological, agricultural and environmental samples. This review focuses on indole-based small-molecule fluorimetric and colorimetric chemosensors for detecting cations, anions, and neutral species in a comprehensive manner. Furthermore, the recognition mechanisms are discussed in detail, which could help researchers design and develop more powerful and efficient fluorescent chemosensors in the near future.
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Affiliation(s)
- Pintu Ghosh
- Molecular Sensor and Supramolecular Chemistry Laboratory, Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah-711103, West Bengal, India.
| | - Anirban Karak
- Molecular Sensor and Supramolecular Chemistry Laboratory, Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah-711103, West Bengal, India.
| | - Ajit Kumar Mahapatra
- Molecular Sensor and Supramolecular Chemistry Laboratory, Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah-711103, West Bengal, India.
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3
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Alvi S, Sil A, Maity S, Singh V, Guchhait B, Ali R. C3-Symmetric Indole-Based Truxenes: Design, Synthesis, and Photophysical Studies. ACS OMEGA 2024; 9:9098-9108. [PMID: 38434898 PMCID: PMC10905574 DOI: 10.1021/acsomega.3c07770] [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: 10/09/2023] [Revised: 01/16/2024] [Accepted: 01/26/2024] [Indexed: 03/05/2024]
Abstract
In recent years, truxenes and related polyaromatic hydrocarbons (PAHs) have engrossed ample interest of the scientific community because of their ease of synthesis, functionalizations, and use as building blocks for the synthesis of fullerene fragments, liquid crystals, larger polyarenes, and C3-tripod materials. In the present work, we have disclosed an ingenious method for the construction of various indolo-truxene hybrid molecules in good yields (52-90%), by means of the acid-catalyzed cotrimerization, Friedel-Crafts acylation, and Fischer indole synthesis, and fully characterized them through the standard spectroscopic techniques. The photophysical properties of the thus-prepared compounds have also been investigated using steady-state absorption and fluorescence and time-resolved fluorescence spectroscopy techniques. Moreover, the density functional theory (DFT) and time-dependent DFT (TD-DFT) calculations have been studied to correlate them with the measured photophysical properties of the synthesized indolo-truxene derivatives.
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Affiliation(s)
- Shakeel Alvi
- Department
of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi 110025, India
| | - Arnab Sil
- Department
of Chemistry, School of Natural Sciences, Shiv Nadar Institution of Eminence, Dadri, Greater Noida, Uttar Pradesh 201314, India
| | - Sayantan Maity
- Department
of Chemistry, School of Natural Sciences, Shiv Nadar Institution of Eminence, Dadri, Greater Noida, Uttar Pradesh 201314, India
| | - Vikash Singh
- Department
of Chemistry, School of Natural Sciences, Shiv Nadar Institution of Eminence, Dadri, Greater Noida, Uttar Pradesh 201314, India
| | - Biswajit Guchhait
- Department
of Chemistry, School of Natural Sciences, Shiv Nadar Institution of Eminence, Dadri, Greater Noida, Uttar Pradesh 201314, India
| | - Rashid Ali
- Department
of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi 110025, India
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4
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Peng L, Zeng Z, Li K, Liu Y, Lan Y, Yan H. Regiodivergent catalytic asymmetric dearomative cycloaddition of bicyclic heteroaromatics. SCIENCE ADVANCES 2023; 9:eadg1645. [PMID: 36989366 PMCID: PMC10058237 DOI: 10.1126/sciadv.adg1645] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/28/2023] [Indexed: 06/19/2023]
Abstract
The catalytic dearomative cycloaddition of bicyclic heteroaromatics including benzofurans and indoles provides rapid access to functionalized heterocyclic molecules. Because of the inherent stereoelectronic differences, the furan or pyrrole nucleus is more prone to dearomative cycloaddition than the benzene ring. Here, we realized a geometry-based differentiation approach for achieving C6-C7 and C7-C7a regioselectivity. The rotationally restricted σ bond at C7 position respectively placed the C6-C7 and C7-C7a sites of benzofurans or indoles in an optimal spatial orientation toward the axially chiral heterodiene, thus affording two enantioenriched polycyclic compounds from a single racemic heterobiaryl atropisomers. Calculation results of density functional theory interpreted the mechanism of this parallel kinetic resolution. The bioactivity of the dearomatized products was evaluated in cancer cell lines with certain compounds exhibiting interesting biological activities.
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Affiliation(s)
- Lei Peng
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, China
| | - Zhen Zeng
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China
| | - Kai Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, China
| | - Yidong Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, China
| | - Yu Lan
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, China
| | - Hailong Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing, China
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5
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Liu X, Lou M, Bai S, Sun G, Qi X. Asymmetric Total Syntheses of Strychnos Alkaloids via Selective Fischer Indolization. J Org Chem 2022; 87:5199-5212. [PMID: 35275636 DOI: 10.1021/acs.joc.2c00015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The complex structures and important biological functions of Strychnos alkaloids have attracted a great deal of attention from synthetic chemists. Herein, we describe the concise asymmetric total syntheses of the Strychnos alkaloids, (-)-dehydrotubifoline, (-)-tubifoline, and (-)-tubifolidine, as well as the formal total synthesis of (-)-strychnine. Our strategy features the construction of the common tetracyclic pyrrolo[2,3-d]carbazole structure using regioselective Fischer indolization on unsymmetrical cyclic ketones and late-stage functionalization for divergent synthesis. We developed a stepwise Fischer indolization featuring selective formation of enol triflate to solve the challenging regioselectivity problem, leading to the common tetracyclic ring skeleton in these Strychnos alkaloids. The regioselectivity of Fischer indolization on unsymmetrical cyclic ketones was studied on the basis of different types of ring systems and supported by density functional theory calculations. Overall, our success in the construction of this tetracyclic ring secured the syntheses of Strychnos alkaloids and may provide a general method for the total syntheses of various alkaloids containing this skeleton.
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Affiliation(s)
- Xiaolei Liu
- Institute for Smart Materials & Engineering, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China.,National Institute of Biological Sciences (NIBS), Beijing 102206, China
| | - Mingliang Lou
- National Institute of Biological Sciences (NIBS), Beijing 102206, China
| | - Songlin Bai
- National Institute of Biological Sciences (NIBS), Beijing 102206, China.,School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Guoxin Sun
- Institute for Smart Materials & Engineering, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China
| | - Xiangbing Qi
- National Institute of Biological Sciences (NIBS), Beijing 102206, China.,Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing 100084, China
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6
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Chen S, Lin C, Xu Y, Liu X, Shen L. Pd(II)‐Catalyzed Selective Amination of Inert γ‐C(sp3)‐O Bonds of Aliphatic Amides with Hydrazines. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sai Chen
- Jiangxi Science and Technology Normal University College of Chemistry and Chemical Engineering CHINA
| | - Cong Lin
- Jiangxi Science & Technology Normal University College of Chemistry and Chemical Engineering Fenglin Road 605, College of Chemistry and Chemical Engineering, Nanchang, China 330013 Nanchang CHINA
| | - Yiqing Xu
- Jiangxi Science and Technology Normal University College of Chemistry and Chemical Engineering CHINA
| | - Xiuhong Liu
- Jiangxi Science and Technology Normal University College of Chemistry and Chemical Engineering CHINA
| | - Liang Shen
- Jiangxi Science and Technology Normal University College of Chemistry and Chemical Engineering CHINA
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7
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Xia L, Wu Y, Lin C, Gao F, Shen L. Palladium‐Catalyzed Selective Hydroamination of Aliphatic Alkenes with Hydrazides. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100742] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Lanlan Xia
- College of Chemistry and Chemical Engineering Jiangxi Science & Technology Normal University Nanchang 330013 P. R. China
| | - Yundan Wu
- College of Chemistry and Chemical Engineering Jiangxi Science & Technology Normal University Nanchang 330013 P. R. China
| | - Cong Lin
- College of Chemistry and Chemical Engineering Jiangxi Science & Technology Normal University Nanchang 330013 P. R. China
| | - Fei Gao
- Jiangxi Engineering Laboratory of Waterborne Coatings College of Chemistry and Chemical Engineering Jiangxi Science & Technology Normal University Nanchang 330022 P. R. China
| | - Liang Shen
- Jiangxi Engineering Laboratory of Waterborne Coatings College of Chemistry and Chemical Engineering Jiangxi Science & Technology Normal University Nanchang 330022 P. R. China
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8
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Lei J, Xie W, Li J, Wu Y, Xie X. Synthesis of N‐Aryl‐ and N‐Alkenylhydrazides through C(sp
2
)−N Bond Construction. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jian Lei
- College of Chemical Engineering and Materials Science Quanzhou Normal University 398 Donghai Avenue Quanzhou 362000 P. R. China
| | - Wenqian Xie
- College of Chemical Engineering and Materials Science Quanzhou Normal University 398 Donghai Avenue Quanzhou 362000 P. R. China
| | - Jing Li
- State Key Laboratory of Respiratory Disease Guangzhou Institutes of Biomedicine and Health Chinese Academy of Sciences Guangzhou 510530 P. R. China
| | - Ya Wu
- College of Biological and Chemical Engineering Chongqing University of Education No.9 Xuefu Avenue Chongqing 400067 P. R. China
| | - Xiaolan Xie
- College of Chemical Engineering and Materials Science Quanzhou Normal University 398 Donghai Avenue Quanzhou 362000 P. R. China
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9
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Nitrene-mediated intermolecular N-N coupling for efficient synthesis of hydrazides. Nat Chem 2021; 13:378-385. [PMID: 33753917 DOI: 10.1038/s41557-021-00650-0] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 02/01/2021] [Indexed: 01/31/2023]
Abstract
N-N linkages are found in many natural compounds and endow fascinating structural and functional properties. In comparison to the myriad methods for the construction of C-N bonds, chemistry for N-N coupling, especially in an intermolecular fashion, remains underdeveloped. Here, we report a nitrene-mediated intermolecular N-N coupling of dioxazolones and arylamines under iridium or iron catalysis. These reactions offer a simple and efficient method for the synthesis of various hydrazides from readily available carboxylic acid and amine precursors. Although the Ir-catalysed conditions usually give higher N-N coupling yield than the Fe-catalysed conditions, the reactions of sterically more demanding dioxazolones derived from α-substituted carboxylic acids work much better under the Fe-catalysed conditions. Mechanistic studies revealed that the nitrogen atom of Ir acyl nitrene intermediates has strong electrophilicity and can undergo nucleophilic attack with arylamines with the assistance of Cl···HN hydrogen bonding to form the N-N bond with high efficiency and chemoselectivity.
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10
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Misal Castro LC, Sultan I, Nishi K, Tsurugi H, Mashima K. Direct Synthesis of Indoles from Azoarenes and Ketones with Bis(neopentylglycolato)diboron Using 4,4′-Bipyridyl as an Organocatalyst. J Org Chem 2021; 86:3287-3299. [DOI: 10.1021/acs.joc.0c02661] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Luis C. Misal Castro
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Ibrahim Sultan
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Kohei Nishi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Hayato Tsurugi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Kazushi Mashima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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11
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Song F, Zhu S, Wang H, Chen G. Iridium-Catalyzed Intermolecular N—N Coupling for Hydrazide Synthesis Using N-Benzoyloxycarbamates as Acyl Nitrene Precursor. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202105044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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Xu P, Duan XH. Pd/β-cyclodextrin-catalyzed C–H functionalization in water: a greener approach to regioselective arylation of (NH)-indoles with aryl bromides. NEW J CHEM 2021. [DOI: 10.1039/d1nj03400f] [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
A greener and more practical approach to the regioselective C3/C2-arylation of (NH)-indoles with (hetero)aryl bromides in water is developed via the Na2PdCl4-catalyzed and β-cyclodextrin ligand-mediated cross-coupling reactions.
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Affiliation(s)
- Peng Xu
- College of Science, Beijing Forestry University, Beijing 100083, China
| | - Xin Hong Duan
- College of Science, Beijing Forestry University, Beijing 100083, China
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13
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Inuki S, Ohno H, Yamaguchi A, Ohta K, Oishi S, Asai A. Identification of a Novel Indoleamine 2,3-Dioxygenase Inhibitor Bearing an Eight-Membered Ring Fused Indole Scaffold and Its Structure-Activity Relationship. HETEROCYCLES 2021. [DOI: 10.3987/com-20-s(k)17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Chaudhari TY, Tandon V. Recent approaches to the synthesis of tetrahydrocarbazoles. Org Biomol Chem 2021; 19:1926-1939. [DOI: 10.1039/d0ob02274h] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The tetrahydrocarbazole (THC) motif is ubiquitous in natural products and biologically active compounds.
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Affiliation(s)
| | - Vibha Tandon
- Special Centre for Molecular Medicine
- Jawaharlal Nehru University
- New Delhi 110067
- India
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15
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Kim DH, Kim JH, Jeon TH, Cho CG. New Synthetic Routes to (+)-Uleine and (-)-Tubifolidine: General Approach to 2-Azabicyclo[3.3.1]nonane Indole Alkaloids. Org Lett 2020; 22:3464-3468. [PMID: 32282214 DOI: 10.1021/acs.orglett.0c00912] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Novel asymmetric synthetic routes to (+)-uleine and (-)-tubifolidine are reported herein. The regioselective formation of enol triflates from 2-azabicyclo[3.3.1]nonane ketones followed by indolizations of the resultant ene-hydrazides allowed the efficient construction of key indole intermediates, facilitating the total synthesis of the target natural alkaloids.
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Affiliation(s)
- Dong-Hyun Kim
- Center for New Directions in Organic Synthesis, Department of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
| | - Jeong-Hwa Kim
- Center for New Directions in Organic Synthesis, Department of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
| | - Tae-Hong Jeon
- Center for New Directions in Organic Synthesis, Department of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
| | - Cheon-Gyu Cho
- Center for New Directions in Organic Synthesis, Department of Chemistry, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
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16
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Roy SK, Purkait A, Aziz SMT, Jana CK. Acid mediated coupling of aliphatic amines and nitrosoarenes to indoles. Chem Commun (Camb) 2020; 56:3167-3170. [PMID: 32065174 DOI: 10.1039/c9cc09616g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Traditionally, amines react with nitrosoarenes to provide the corresponding imines or azo compounds. Herein, we report an acid mediated annulation reaction of aliphatic amines and nitrosoarenes to provide indole derivatives. The elusive direct annulation of aliphatic amines and nitrosoarenes via simultaneous C-C and C-N bond formation was achieved under metal free conditions. This conceptually novel method for indole synthesis does not require pre-functionalization steps for the new C-C and C-N bond formation. The method has been applied for an elegant synthesis of nor-neocryptolepine and neocryptolepine.
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17
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Song L, Ni D, Jia S, Pi R, Dong S, Yang F, Tang J, Liu S. C(sp2)–H Bond Multiple Functionalization in Air for Construction of Tetrahydrocarbazoles with Continuous Quaternary Carbons and Polycyclic Diversification. Org Lett 2020; 22:1846-1851. [DOI: 10.1021/acs.orglett.0c00145] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Longlong Song
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Dan Ni
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Shikun Jia
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Rou Pi
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Suzhen Dong
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Fan Yang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Jie Tang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Shunying Liu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
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18
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Lei J, Gao H, Huang M, Liu X, Mao Y, Xie X. Copper-catalyzed stereoselective alkylhydrazination of alkynes. Chem Commun (Camb) 2020; 56:920-923. [DOI: 10.1039/c9cc07998j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
An efficient copper-catalyzed stereoselective alkylhydrazination of alkynes, leading to tri-substituted (E)-alkenylhydrazines, has been developed.
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Affiliation(s)
- Jian Lei
- College of Chemical Engineering and Materials Science
- Quanzhou Normal University
- Quanzhou 362000
- P. R. China
| | - Huaxin Gao
- College of Chemical Engineering and Materials Science
- Quanzhou Normal University
- Quanzhou 362000
- P. R. China
| | - Miaoling Huang
- College of Chemical Engineering and Materials Science
- Quanzhou Normal University
- Quanzhou 362000
- P. R. China
| | - Xiao Liu
- Dongguan Institute for Food and Drug Control
- Dongguan 523808
- P. R. China
| | - Yangfan Mao
- College of Chemical Engineering and Materials Science
- Quanzhou Normal University
- Quanzhou 362000
- P. R. China
| | - Xiaolan Xie
- College of Chemical Engineering and Materials Science
- Quanzhou Normal University
- Quanzhou 362000
- P. R. China
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19
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Assembly of 7-carboxylate indoles via the Cu-catalyzed coupling of substituted 2-iodobenzoic acids and substituted hydrazines. Tetrahedron 2020. [DOI: 10.1016/j.tet.2019.130794] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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20
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Wiesler S, Bau MA, Niepel T, Younas SL, Luu H, Streuff J. Synthesis of α,ω‐Bis‐Enones by the Double Addition of Alkenyl Grignard Reagents to Diacid Weinreb Amides. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Stefan Wiesler
- Institut für Organische Chemie Albert‐Ludwigs‐Universität Freiburg Albertstr. 21 79104 Freiburg im Breisgau Germany
| | - Michael A. Bau
- Institut für Organische Chemie Albert‐Ludwigs‐Universität Freiburg Albertstr. 21 79104 Freiburg im Breisgau Germany
| | - Thomas Niepel
- Institut für Organische Chemie Albert‐Ludwigs‐Universität Freiburg Albertstr. 21 79104 Freiburg im Breisgau Germany
| | - Sara L. Younas
- Institut für Organische Chemie Albert‐Ludwigs‐Universität Freiburg Albertstr. 21 79104 Freiburg im Breisgau Germany
| | - Hieu‐Trinh Luu
- Institut für Organische Chemie Albert‐Ludwigs‐Universität Freiburg Albertstr. 21 79104 Freiburg im Breisgau Germany
| | - Jan Streuff
- Institut für Organische Chemie Albert‐Ludwigs‐Universität Freiburg Albertstr. 21 79104 Freiburg im Breisgau Germany
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21
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Okabe A, Harada S, Takeda T, Nishida A. One-Pot Synthesis of Cycloocta[b
]indole Through Formal [5+3] Cycloaddition Using Donor-Acceptor Cyclopropanes. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900610] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Akito Okabe
- Graduate School of Pharmaceutical Sciences; Chiba University; 1-8-1 Inohana, Chuo-ku 260-8675 Chiba Japan
| | - Shinji Harada
- Graduate School of Pharmaceutical Sciences; Chiba University; 1-8-1 Inohana, Chuo-ku 260-8675 Chiba Japan
- Molecular Chirality Research Center; Chiba University; 1-33 Yayoi-cho, Inage-ku 263-8522 Chiba Japan
| | - Takuya Takeda
- Graduate School of Pharmaceutical Sciences; Chiba University; 1-8-1 Inohana, Chuo-ku 260-8675 Chiba Japan
| | - Atsushi Nishida
- Graduate School of Pharmaceutical Sciences; Chiba University; 1-8-1 Inohana, Chuo-ku 260-8675 Chiba Japan
- Molecular Chirality Research Center; Chiba University; 1-33 Yayoi-cho, Inage-ku 263-8522 Chiba Japan
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22
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23
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Qiu Z, Lv L, Li J, Li CC, Li CJ. Direct conversion of phenols into primary anilines with hydrazine catalyzed by palladium. Chem Sci 2019; 10:4775-4781. [PMID: 31160954 PMCID: PMC6509994 DOI: 10.1039/c9sc00595a] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 03/26/2019] [Indexed: 12/19/2022] Open
Abstract
Primary anilines are essential building blocks to synthesize various pharmaceuticals, agrochemicals, pigments, electronic materials, and others. To date, the syntheses of primary anilines mostly rely on the reduction of nitroarenes or the transition-metal-catalyzed Ullmann, Buchwald-Hartwig and Chan-Lam cross-coupling reactions with ammonia, in which non-renewable petroleum-based chemicals are typically used as feedstocks via multiple step syntheses. A long-standing scientific challenge is to synthesize various primary anilines directly from renewable sources. Herein, we report a general method to directly convert a broad range of phenols into the corresponding primary anilines with the cheap and widely available hydrazine as both amine and hydride sources with simple Pd/C as the catalyst.
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Affiliation(s)
- Zihang Qiu
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis , McGill University , 801 Sherbrooke St. W. , Montreal , Quebec H3A 0B8 , Canada .
| | - Leiyang Lv
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis , McGill University , 801 Sherbrooke St. W. , Montreal , Quebec H3A 0B8 , Canada .
| | - Jianbin Li
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis , McGill University , 801 Sherbrooke St. W. , Montreal , Quebec H3A 0B8 , Canada .
| | - Chen-Chen Li
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis , McGill University , 801 Sherbrooke St. W. , Montreal , Quebec H3A 0B8 , Canada .
| | - Chao-Jun Li
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis , McGill University , 801 Sherbrooke St. W. , Montreal , Quebec H3A 0B8 , Canada .
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24
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Zhang C, Long L, Shi C. Mitochondria-Targeting IR-780 Dye and Its Derivatives: Synthesis, Mechanisms of Action, and Theranostic Applications. ADVANCED THERAPEUTICS 2018. [DOI: 10.1002/adtp.201800069] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Chi Zhang
- Institute of Rocket Force Medicine; State Key Laboratory of Trauma; Burns and Combined Injury; Third Military Medical University; Chongqing 400038 China
| | - Lei Long
- Institute of Rocket Force Medicine; State Key Laboratory of Trauma; Burns and Combined Injury; Third Military Medical University; Chongqing 400038 China
| | - Chunmeng Shi
- Institute of Rocket Force Medicine; State Key Laboratory of Trauma; Burns and Combined Injury; Third Military Medical University; Chongqing 400038 China
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25
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Przeslak AD, Inman M, Lewis W, Moody CJ. Origin of the Thiopyrone CTP-431 "Unexpectedly" Isolated from the Marine Sponge Cacospongia mycofijiensis. J Org Chem 2018; 83:10595-10601. [PMID: 30044092 DOI: 10.1021/acs.joc.8b01258] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An intriguing hypothesis that latrunculin A, a well-known natural product, might have undergone transformation into the unprecedented thiopyrone CTP-431 upon long-term storage in methanol is advanced. Thus, opening of the hemiacetal of latrunculin A, followed by E1CB elimination, and dehydration would give a polyene that could undergo intramolecular Diels-Alder reaction, followed by methanolysis of the thiazolidinone ring and ring closure by intramolecular thiol addition to an enone. Experimental evidence that the novel thiazolidinone to thiopyrone rearrangement can occur is presented.
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Affiliation(s)
- Adam D Przeslak
- School of Chemistry , University of Nottingham , University Park, Nottingham NG7 2RD , United Kingdom
| | - Martyn Inman
- School of Chemistry , University of Nottingham , University Park, Nottingham NG7 2RD , United Kingdom
| | - William Lewis
- School of Chemistry , University of Nottingham , University Park, Nottingham NG7 2RD , United Kingdom
| | - Christopher J Moody
- School of Chemistry , University of Nottingham , University Park, Nottingham NG7 2RD , United Kingdom
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26
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Kim JY, Suhl CH, Lee JH, Cho CG. Directed Fischer Indolization as an Approach to the Total Syntheses of (+)-Aspidospermidine and (−)-Tabersonine. Org Lett 2017; 19:6168-6171. [DOI: 10.1021/acs.orglett.7b03078] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Joo-Young Kim
- Center for New Directions in Organic
Synthesis, Department of Chemistry, Hanyang University, 222 Wangshimni-ro, Seongdong-gu, Seoul 04763, Korea
| | - Chang-Heon Suhl
- Center for New Directions in Organic
Synthesis, Department of Chemistry, Hanyang University, 222 Wangshimni-ro, Seongdong-gu, Seoul 04763, Korea
| | - Joon-Ho Lee
- Center for New Directions in Organic
Synthesis, Department of Chemistry, Hanyang University, 222 Wangshimni-ro, Seongdong-gu, Seoul 04763, Korea
| | - Cheon-Gyu Cho
- Center for New Directions in Organic
Synthesis, Department of Chemistry, Hanyang University, 222 Wangshimni-ro, Seongdong-gu, Seoul 04763, Korea
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27
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Zhu JS, Son JH, Teuthorn AP, Haddadin MJ, Kurth MJ, Tantillo DJ. Diverting Reactive Intermediates Toward Unusual Chemistry: Unexpected Anthranil Products from Davis-Beirut Reaction. J Org Chem 2017; 82:10875-10882. [PMID: 28922917 DOI: 10.1021/acs.joc.7b01521] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The discovery of a new variation on the Davis-Beirut reaction is described in which an atypical heterocyclic framework (the anthranil or benzo[c]isoxazole framework) is formed as the result of diversion of a key reactive intermediate away from its expected reactivity-a potentially general approach to reaction design and development. Experimental and computational support for the proposed mechanism and origins of altered reactivity are described.
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Affiliation(s)
- Jie S Zhu
- Department of Chemistry, University of California, Davis , 1 Shields Ave., Davis, California 95616, United States
| | - Jung-Ho Son
- Department of Chemistry, University of California, Davis , 1 Shields Ave., Davis, California 95616, United States
| | - Andrew P Teuthorn
- Department of Chemistry, University of California, Davis , 1 Shields Ave., Davis, California 95616, United States
| | - Makhluf J Haddadin
- Department of Chemistry, American University of Beirut , Beirut 1107 2020, Lebanon
| | - Mark J Kurth
- Department of Chemistry, University of California, Davis , 1 Shields Ave., Davis, California 95616, United States
| | - Dean J Tantillo
- Department of Chemistry, University of California, Davis , 1 Shields Ave., Davis, California 95616, United States
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28
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Li Y, Li J, Ding H, Li A. Recent advances on the total synthesis of alkaloids in mainland China. Natl Sci Rev 2017. [DOI: 10.1093/nsr/nwx050] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
AbstractAlkaloids are a large family of natural products that mostly contain basic nitrogen atoms. Because of their intriguing structures and important functions, they have long been popular targets for synthetic organic chemists. China's chemists have made significant progress in the area of alkaloid synthesis over past decades. In this article, selected total syntheses of alkaloids from research groups in mainland China during the period 2011–16 are highlighted.
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Affiliation(s)
- Yong Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing 312000, China
| | - Jian Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Hanfeng Ding
- Department of Chemistry, Zhejiang University, Hangzhou 310028, China
| | - Ang Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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29
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Heravi M, Rohani S, Zadsirjan V, Zahedi N. Fischer indole synthesis applied to the total synthesis of natural products. RSC Adv 2017. [DOI: 10.1039/c7ra10716a] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this review, we are trying to underscore the application of FIS in one of the crucial step of indole construction in the total synthesis of biologically active natural products.
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Affiliation(s)
- Majid M. Heravi
- Department of Chemistry
- School of Science
- Alzahra University
- Tehran
- Iran
| | - Sahar Rohani
- Department of Chemistry
- School of Science
- Alzahra University
- Tehran
- Iran
| | - Vahideh Zadsirjan
- Department of Chemistry
- School of Science
- Alzahra University
- Tehran
- Iran
| | - Nazli Zahedi
- Department of Chemistry
- School of Science
- Alzahra University
- Tehran
- Iran
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30
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Ma X, Herzon SB. Synthesis of Ketones and Esters from Heteroatom-Functionalized Alkenes by Cobalt-Mediated Hydrogen Atom Transfer. J Org Chem 2016; 81:8673-8695. [PMID: 27598718 DOI: 10.1021/acs.joc.6b01709] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cobalt bis(acetylacetonate) is shown to mediate hydrogen atom transfer to a broad range of functionalized alkenes; in situ oxidation of the resulting alkylradical intermediates, followed by hydrolysis, provides expedient access to ketones and esters. By modification of the alcohol solvent, different alkyl ester products may be obtained. The method is compatible with a number of functional groups including alkenyl halides, sulfides, triflates, and phosphonates and provides a mild and practical alternative to the Tamao-Fleming oxidation of vinylsilanes and the Arndt-Eistert homologation.
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Affiliation(s)
- Xiaoshen Ma
- Department of Chemistry, Yale University , New Haven, Connecticut 06520, United States
| | - Seth B Herzon
- Department of Chemistry, Yale University , New Haven, Connecticut 06520, United States.,Department of Pharmacology, Yale School of Medicine , New Haven, Connecticut 06520, United States
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31
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32
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Yuan X, Wu X, Dong S, Wu G, Ye J. Brønsted acid cocatalysis in photocatalytic intramolecular coupling of tertiary amines: efficient synthesis of 2-arylindols. Org Biomol Chem 2016; 14:7447-50. [DOI: 10.1039/c6ob01239f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We report herein a highly efficient intramolecular coupling reaction of tertiary amines and ketones (α,β-unsaturated ketones) by using a Brønsted acid as a cocatalyst, affording 2-arylindols in good to excellent yields (up to 92%) under visible light irradiation at room temperature.
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Affiliation(s)
- Xiaoqian Yuan
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
| | - Xinxin Wu
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
| | - Shupeng Dong
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
| | - Guibing Wu
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
| | - Jinxing Ye
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
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33
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Yu Y, Li G, Jiang L, Zu L. An Indoxyl-Based Strategy for the Synthesis of Indolines and Indolenines. Angew Chem Int Ed Engl 2015; 54:12627-31. [DOI: 10.1002/anie.201505173] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2015] [Indexed: 11/07/2022]
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34
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Yu Y, Li G, Jiang L, Zu L. An Indoxyl-Based Strategy for the Synthesis of Indolines and Indolenines. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201505173] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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35
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Song S, Sun X, Li X, Yuan Y, Jiao N. Efficient and Practical Oxidative Bromination and Iodination of Arenes and Heteroarenes with DMSO and Hydrogen Halide: A Mild Protocol for Late-Stage Functionalization. Org Lett 2015; 17:2886-9. [DOI: 10.1021/acs.orglett.5b00932] [Citation(s) in RCA: 160] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Song Song
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, School
of Pharmaceutical Sciences, Peking University, Xue
Yuan Road 38, Beijing 100191, China
| | - Xiang Sun
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, School
of Pharmaceutical Sciences, Peking University, Xue
Yuan Road 38, Beijing 100191, China
| | - Xinwei Li
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, School
of Pharmaceutical Sciences, Peking University, Xue
Yuan Road 38, Beijing 100191, China
| | - Yizhi Yuan
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, School
of Pharmaceutical Sciences, Peking University, Xue
Yuan Road 38, Beijing 100191, China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, School
of Pharmaceutical Sciences, Peking University, Xue
Yuan Road 38, Beijing 100191, China
- State Key Laboratory of Organometallic
Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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36
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Li Z, Geng Q, Lv Z, Pritchett BP, Baba K, Numajiri Y, Stoltz BM, Liang G. Selective syntheses of leuconolam, leuconoxine, and mersicarpine alkaloids from a common intermediate through regiocontrolled cyclizations by Staudinger reactions†Electronic supplementary information (ESI) available: Experimental details and procedures, compound characterization data, copies of 1H and 13C NMR spectra for new compounds. See DOI: 10.1039/c4qo00312hClick here for additional data file. Org Chem Front 2015; 2:236-240. [PMID: 25717379 PMCID: PMC4333676 DOI: 10.1039/c4qo00312h] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 01/20/2015] [Indexed: 11/21/2022]
Abstract
Selective syntheses of leuconolam, leuconoxine, and mersicarpine alkaloids bearing distinctive core structures were achieved through Staudinger reactions using a common intermediate. In the key cyclization step, water functioned like a switch to control which core structure to produce. The chemistry allowed for selective syntheses of the group of alkaloids from a simple intermediate through straightforward chemical operations.
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Affiliation(s)
- Zining Li
- State Key Laboratory and Institute of Elemento-organic Chemistry , Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Nankai University , Tianjin 300071 , China .
| | - Qian Geng
- State Key Laboratory and Institute of Elemento-organic Chemistry , Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Nankai University , Tianjin 300071 , China .
| | - Zhe Lv
- State Key Laboratory and Institute of Elemento-organic Chemistry , Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Nankai University , Tianjin 300071 , China .
| | - Beau P Pritchett
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering , Division of Chemistry and Chemical Engineering , California Institute of Technology , Pasadena , California 91125 , USA .
| | - Katsuaki Baba
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering , Division of Chemistry and Chemical Engineering , California Institute of Technology , Pasadena , California 91125 , USA .
| | - Yoshitaka Numajiri
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering , Division of Chemistry and Chemical Engineering , California Institute of Technology , Pasadena , California 91125 , USA .
| | - Brian M Stoltz
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering , Division of Chemistry and Chemical Engineering , California Institute of Technology , Pasadena , California 91125 , USA .
| | - Guangxin Liang
- State Key Laboratory and Institute of Elemento-organic Chemistry , Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Nankai University , Tianjin 300071 , China .
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37
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Wakchaure PB, Borhade SR, Sandström A, Arvidsson PI. Synthesis of Vinyl- and Aryl-Acyl Sulfonimidamides Through Pd-Catalyzed Carbonylation Using Mo(CO)6as ex situ CO Source. European J Org Chem 2014. [DOI: 10.1002/ejoc.201403148] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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38
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Matcha K, Antonchick AP. Cascade Multicomponent Synthesis of Indoles, Pyrazoles, and Pyridazinones by Functionalization of Alkenes. Angew Chem Int Ed Engl 2014; 53:11960-4. [DOI: 10.1002/anie.201406464] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Indexed: 01/22/2023]
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39
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Matcha K, Antonchick AP. Mehrkomponentenkaskade zur Synthese von Indolen, Pyrazolen und Pyridazinonen durch Funktionalisierung von Alkenen. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201406464] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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40
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Lim BY, Jung BE, Cho CG. Ene-hydrazide from Enol Triflate for the Regioselective Fischer Indole Synthesis. Org Lett 2014; 16:4492-5. [DOI: 10.1021/ol502031q] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Byeong-Yun Lim
- Center for New Directions
in Organic Synthesis, Department of Chemistry, Hanyang University, 222 Wangshimni-ro, Seongdong-gu, Seoul 133-791, Korea
| | - Bo-Eun Jung
- Center for New Directions
in Organic Synthesis, Department of Chemistry, Hanyang University, 222 Wangshimni-ro, Seongdong-gu, Seoul 133-791, Korea
| | - Cheon-Gyu Cho
- Center for New Directions
in Organic Synthesis, Department of Chemistry, Hanyang University, 222 Wangshimni-ro, Seongdong-gu, Seoul 133-791, Korea
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41
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Rhodium-catalyzed addition-cyclization of hydrazines with alkynes: pyrazole synthesis via unexpected C-N bond cleavage. Org Lett 2014; 16:3476-9. [PMID: 24964008 DOI: 10.1021/ol501402p] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Rhodium-catalyzed addition-cyclization of hydrazines with alkynes has been achieved to afford highly substituted pyrazoles under mild conditions. The cascade reaction involves two transformations: addition of the C-N bond of hydrazines to alkynes via unexpected C-N bond cleavage and intramolecular dehydration cyclization.
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42
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Burhardt MN, Ahlburg A, Skrydstrup T. Palladium-Catalyzed Thiocarbonylation of Aryl, Vinyl, and Benzyl Bromides. J Org Chem 2014; 79:11830-40. [DOI: 10.1021/jo5009965] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mia N. Burhardt
- Center for Insoluble Protein
Structures, Department of Chemistry and Interdisciplinary Nanoscience
Center, Aarhus University, Gustav Wieds vej 14, 8000 Aarhus C, Denmark
| | - Andreas Ahlburg
- Center for Insoluble Protein
Structures, Department of Chemistry and Interdisciplinary Nanoscience
Center, Aarhus University, Gustav Wieds vej 14, 8000 Aarhus C, Denmark
| | - Troels Skrydstrup
- Center for Insoluble Protein
Structures, Department of Chemistry and Interdisciplinary Nanoscience
Center, Aarhus University, Gustav Wieds vej 14, 8000 Aarhus C, Denmark
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43
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Recent advance of the application of interrupted Fischer indolization toward bioactive indoline alkaloids. RESEARCH ON CHEMICAL INTERMEDIATES 2014. [DOI: 10.1007/s11164-014-1707-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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44
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Miyata O, Ueda M, Ito Y, Matsuda N, Nishida Y. Sequential Radical Addition and Fischer-Type Indolization Reactions of Conjugated Hydrazones for the Preparation of α-Alkylindole-3-acetic Acids. HETEROCYCLES 2014. [DOI: 10.3987/com-14-12957] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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45
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Zhou C, Ma D. A copper-catalyzed coupling reaction of vinyl halides and carbazates: application in the assembly of polysubstituted pyrroles. Chem Commun (Camb) 2014; 50:3085-8. [DOI: 10.1039/c3cc49724k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Yao J, Feng R, Lin C, Liu Z, Zhang Y. Synthesis of 2,3-dihydro-1H-indazoles by Rh(iii)-catalyzed C–H cleavage of arylhydrazines. Org Biomol Chem 2014; 12:5469-76. [DOI: 10.1039/c4ob00921e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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47
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Liang Y, Yu K, Li B, Xu S, Song H, Wang B. Rh(iii)-catalyzed synthesis of 1-aminoindole derivatives from 2-acetyl-1-arylhydrazines and diazo compounds in water. Chem Commun (Camb) 2014; 50:6130-3. [DOI: 10.1039/c4cc01520g] [Citation(s) in RCA: 159] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Rh(iii)-catalyzed synthesis of 1-aminoindole derivatives from 2-acetyl-1-arylhydrazines and diazo compounds has been developed, through tandem C–H activation, cyclization and condensation.
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Affiliation(s)
- Yujie Liang
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- College of Chemistry
- Nankai University
- Tianjin 300071, China
| | - Ke Yu
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- College of Chemistry
- Nankai University
- Tianjin 300071, China
| | - Bin Li
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- College of Chemistry
- Nankai University
- Tianjin 300071, China
| | - Shansheng Xu
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- College of Chemistry
- Nankai University
- Tianjin 300071, China
| | - Haibin Song
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- College of Chemistry
- Nankai University
- Tianjin 300071, China
| | - Baiquan Wang
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- College of Chemistry
- Nankai University
- Tianjin 300071, China
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Wei WT, Dong XJ, Nie SZ, Chen YY, Zhang XJ, Yan M. Intramolecular Dehydrative Coupling of Tertiary Amines and Ketones Promoted by KO-t-Bu/DMF: A New Synthesis of Indole Derivatives. Org Lett 2013; 15:6018-21. [DOI: 10.1021/ol402908m] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Wen-tao Wei
- Institute of Drug Synthesis and Pharmaceutical Process, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xue-jiao Dong
- Institute of Drug Synthesis and Pharmaceutical Process, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Shao-zhen Nie
- Institute of Drug Synthesis and Pharmaceutical Process, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yan-yan Chen
- Institute of Drug Synthesis and Pharmaceutical Process, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xue-jing Zhang
- Institute of Drug Synthesis and Pharmaceutical Process, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Ming Yan
- Institute of Drug Synthesis and Pharmaceutical Process, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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Taddei M, Mura MG, Rajamäki S, Luca LD, Porcheddu A. Palladium-Catalysed Dehydrogenative Generation of Imines from Amines. A Nature-Inspired Route to IndolesviaCross-Couplings of Amines with Arylhydrazines. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300559] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kothandaraman P, Lauw SJL, Chan PWH. Metal-free synthesis of 1H-indole-2-carbaldehydes by N-iodosuccinimide-mediated cyclization of 1-(2′-anilinyl)prop-2-yn-1-ols in water. A formal synthesis of (R)-calindol. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.06.032] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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