1
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Ma XD, Ma FY, Jiao MM, Li JT, Duan XF. Modular and Regioselective Synthesis of Benzo-Fused Five-Membered Rings Enabled by Co/Ti Synergism. Org Lett 2024; 26:6658-6663. [PMID: 39083395 DOI: 10.1021/acs.orglett.4c02336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
The regiocontrol in constructing benzo-fused five-membered rings by C-H cyclization remains an important challenge. We report a highly general and regioselective methodology to access such heterocycles and indenones, where under the catalysis of CoBr2/bipyridine, aryl titanates, alkynes and EX2 (E = NR, S(O), RP(O), R2Si, CO, etc.) were assembled to various heterocycles and indenones in a modular manner. Unprecedented 1,2-Co/Ti heterobimetallic arylene and benzotitanole intermediates have played crucial roles in these syntheses.
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Affiliation(s)
- Xiao-Di Ma
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Fang-Yuan Ma
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Miao-Miao Jiao
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Jun-Ting Li
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Xin-Fang Duan
- College of Chemistry, Beijing Normal University, Beijing 100875, China
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2
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Zhang H, Zi Y, Cao C, Huang W, Jiang A, Lu C, He J, Tang Y, Wu ZG. Base Metal-Controlled Chemodivergent Cyclization of Propargylamines for the Atom-Economic Synthesis of Nitrogen Heterocycles. Org Lett 2023; 25:9030-9035. [PMID: 38019556 DOI: 10.1021/acs.orglett.3c03725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Herein, a base metal-enabled chemodivergent cyclization of propargylamines for the atom-economic construction of nitrogen heterocycles has been developed. Due to the different modes of activation of metal to propargylamine, copper-catalyzed 6-endo-dig cyclization generates functionalized 2-substitued quinoline-4-carboxylates, while iron-promoted cascade amino Claisen rearrangement, aromatization, and aza-Michael addition afford diverse 2-substituted indole-3-carboxylate derivatives. Excellent selectivity, broad functional group tolerance, mild conditions, and flexible late-stage functionalization illustrate the high efficiency and synthetic utility of this chemodivergent reaction.
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Affiliation(s)
- Hui Zhang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu 226019, P. R. China
| | - You Zi
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu 226019, P. R. China
| | - Chenhui Cao
- Anhui Sholon New Material Technology Company, Ltd., Chuzhou, Anhui 239500, P. R. China
| | - Weichun Huang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu 226019, P. R. China
| | - Aiwei Jiang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu 226019, P. R. China
| | - Chaowu Lu
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu 226019, P. R. China
| | - Jie He
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu 226019, P. R. China
| | - Yanfeng Tang
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu 226019, P. R. China
| | - Zheng-Guang Wu
- School of Chemistry and Chemical Engineering, Nantong University, Nantong, Jiangsu 226019, P. R. China
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3
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Liu N, Cuan X, Li H, Duan X. Progress in the Study of α-Functionalization of Enaminone. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202207027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
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4
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Lu MZ, Goh J, Maraswami M, Jia Z, Tian JS, Loh TP. Recent Advances in Alkenyl sp 2 C-H and C-F Bond Functionalizations: Scope, Mechanism, and Applications. Chem Rev 2022; 122:17479-17646. [PMID: 36240299 DOI: 10.1021/acs.chemrev.2c00032] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Alkenes and their derivatives are featured widely in a variety of natural products, pharmaceuticals, and advanced materials. Significant efforts have been made toward the development of new and practical methods to access this important class of compounds by selectively activating the alkenyl C(sp2)-H bonds in recent years. In this comprehensive review, we describe the state-of-the-art strategies for the direct functionalization of alkenyl sp2 C-H and C-F bonds until June 2022. Moreover, metal-free, photoredox, and electrochemical strategies are also covered. For clarity, this review has been divided into two parts; the first part focuses on currently available alkenyl sp2 C-H functionalization methods using different alkene derivatives as the starting materials, and the second part describes the alkenyl sp2 C-F bond functionalization using easily accessible gem-difluoroalkenes as the starting material. This review includes the scope, limitations, mechanistic studies, stereoselective control (using directing groups as well as metal-migration strategies), and their applications to complex molecule synthesis where appropriate. Overall, this comprehensive review aims to document the considerable advancements, current status, and emerging work by critically summarizing the contributions of researchers working in this fascinating area and is expected to stimulate novel, innovative, and broadly applicable strategies for alkenyl sp2 C-H and C-F bond functionalizations in the coming years.
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Affiliation(s)
- Ming-Zhu Lu
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, China.,School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Jeffrey Goh
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Manikantha Maraswami
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Zhenhua Jia
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jie-Sheng Tian
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Teck-Peng Loh
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, China.,School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore.,Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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5
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Metal, iodine and oxidant-free electrosynthesis of substituted indoles from 1-(2-aminophenyl)alcohols. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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6
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Xia XF, Niu YN. Recent developments in the synthesis of nitrogen-containing heterocycles from β-aminovinyl esters/ketones as CC-N donors. Org Biomol Chem 2022; 20:282-295. [PMID: 34877952 DOI: 10.1039/d1ob01998h] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Nitrogen-containing heterocycles are ubiquitous fragments of numerous natural products, pharmaceuticals, designed bioactive drug candidates and agrochemicals. During the past few decades, these compounds have received considerable attention from the synthetic chemistry community, and great efforts have been focused on the development of concise and efficient methods for the synthesis of these heterocyclic skeletons. In this review, we summarize a diverse range of synthetic methods employing β-aminovinyl esters(ketones) as key CC-N-synthons to furnish useful bioactive heterocyclic frameworks, such as quinolines, pyridines, pyrazines, pyrroles, indoles, oxazoles, imidazoles, thiazoles, isothiazoles, pyrazoles, triazoles, and azepines, thus offering new opportunities and expanding the toolbox of synthetic chemistry reactions.
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Affiliation(s)
- Xiao-Feng Xia
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
| | - Yan-Ning Niu
- Department of Teaching and Research, Nanjing Forestry University, Huai'an, Jiangsu, 223003, People's Republic of China.
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7
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Sarmah D, Tahu M, Bora U. Recent advances in the synthesis of indoles via C–H activation aided by N–N and N–S cleavage in the directing group. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Debasish Sarmah
- Department of Chemical Sciences Tezpur University Tezpur India
| | - Mohendra Tahu
- Department of Chemical Sciences Tezpur University Tezpur India
| | - Utpal Bora
- Department of Chemical Sciences Tezpur University Tezpur India
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8
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Regioselective Mercury(I)/Palladium(II)-Catalyzed Single-Step Approach for the Synthesis of Imines and 2-Substituted Indoles. Molecules 2021; 26:molecules26134092. [PMID: 34279432 PMCID: PMC8271454 DOI: 10.3390/molecules26134092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 06/22/2021] [Accepted: 06/29/2021] [Indexed: 12/21/2022] Open
Abstract
An efficient synthesis of ketimines was achieved through a regioselective Hg(I)-catalyzed hydroamination of terminal acetylenes in the presence of anilines. The Pd(II)-catalyzed cyclization of these imines into the 2-substituted indoles was satisfactorily carried out by a C-H activation. In a single-step approach, a variety of 2-substituted indoles were also generated via a Hg(I)/Pd(II)-catalyzed, one-pot, two-step process, starting from anilines and terminal acetylenes. The arylacetylenes proved to be more effective than the alkyl derivatives.
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9
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Zhao L, Qiu C, Zhao L, Yin G, Li F, Wang C, Li Z. Base-promoted, CBr 4-mediated tandem bromination/intramolecular Friedel-Crafts alkylation of N-aryl enamines: a facile access to 1H- and 3H-indoles. Org Biomol Chem 2021; 19:5377-5382. [PMID: 34047749 DOI: 10.1039/d1ob00731a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Described here is a general and highly efficient method for the synthesis of 1H- and 3H-indoles. In the presence of CBr4 and a suitable base, the cyclization of N-aryl enamines proceeds with high efficiency. Unlike previous intramolecular cross dehydrogenative coupling (CDC) of the same substrates, this process does not require the use of either a transition metal or a stoichiometric amount of oxidant. This method also features operational simplicity, easy scalability and good substrate tolerability. Control experiments indicate the reactions may proceed in a tandem sequence of bromination and intramolecular Friedel-Crafts alkylation in a simple one-pot procedure.
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Affiliation(s)
- Lan Zhao
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China. and State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China
| | - Changfu Qiu
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China. and State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China
| | - Lixin Zhao
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China.
| | - Guangwei Yin
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China.
| | - Fangyi Li
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China. and State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China
| | - Chunhua Wang
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China. and State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China
| | - Zheng Li
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China. and State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China
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10
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Wang H, Ying P, Yu J, Su W. Alternative Strategies Enabling Cross-Dehydrogenative Coupling: Access to C—C Bonds. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202009053] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Rana S, Biswas JP, Paul S, Paik A, Maiti D. Organic synthesis with the most abundant transition metal–iron: from rust to multitasking catalysts. Chem Soc Rev 2021; 50:243-472. [DOI: 10.1039/d0cs00688b] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The promising aspects of iron in synthetic chemistry are being explored for three-four decades as a green and eco-friendly alternative to late transition metals. This present review unveils these rich iron-chemistry towards different transformations.
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Affiliation(s)
- Sujoy Rana
- Department of Chemistry
- University of North Bengal
- Darjeeling
- India
| | | | - Sabarni Paul
- Department of Chemistry
- University of North Bengal
- Darjeeling
- India
| | - Aniruddha Paik
- Department of Chemistry
- University of North Bengal
- Darjeeling
- India
| | - Debabrata Maiti
- Department of Chemistry
- IIT Bombay
- Mumbai-400076
- India
- Tokyo Tech World Research Hub Initiative (WRHI)
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12
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Dinda E, Bhunia SK, Jana R. Palladium-Catalyzed Cascade Reactions for Annulative π -Extension of Indoles to Carbazoles through C–H Bond Activation. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824999200817170058] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The annulative π-extension (APEX) reactions through C-H bond activation has
tremendous potential to access fused aromatic systems from relatively simple aromatic
compounds in a single step. This state-of-the-art technique has the ability to streamline the
synthesis of functionalized materials useful in material science, biomedical research, agroand
pharmaceutical industries. Furthermore, C-H activation strategy does not require prefunctionalization
steps, which allows for the late-stage modification of the functional
molecule with requisite molecular properties. Owing to their unique photophysical properties,
carbazoles are widely used in photovoltaic cells, biomedical imaging, fluorescent
polymer, etc. It is also ubiquitously found in many natural products, agrochemicals and
privileged medicinal scaffolds. Hence, direct conversion of easily accessible indole to carbazole
remains an active research area. In the last decades, significant advancement has
been made to access carbazole moiety directly from indole through cascade C-H activation. The underlying
mechanism behind this cascade π-extension strategy is the facile electrophilic metalation at the C-3 position of
the indole moiety, 1,2- migration and electro cyclization. In this review, we will discuss recent literature reports
for the palladium-catalyzed π-extension of indole to carbazole moiety through C-H bond activation.
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Affiliation(s)
- Enakshi Dinda
- Department of Chemistry and Environment, Heritage Institute of Technology, Kolkata-700107, India
| | - Samir Kumar Bhunia
- Department of Chemistry, Midnapore College (autonomous), Paschim Medinipur, West Bengal, India
| | - Ranjan Jana
- Organic and Medicinal Chemistry Division, CSIRIndian Institute of Chemical Biology, 4 Raja S C Mullick Road, Jadavpur, Kolkata-700032, India
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13
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Synthesis of Functionalized Indoles via Palladium-Catalyzed Cyclization of N-(2-allylphenyl) Benzamide: A Method for Synthesis of Indomethacin Precursor. Molecules 2020; 25:molecules25051233. [PMID: 32182955 PMCID: PMC7179414 DOI: 10.3390/molecules25051233] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/06/2020] [Accepted: 03/07/2020] [Indexed: 11/27/2022] Open
Abstract
We developed an efficient method for synthesis of substituted N-benzoylindole via Pd(II)-catalyzed C–H functionalization of substituted N-(2-allylphenyl)benzamide. The reaction showed a broad substrate scope (including N-acetyl and N-Ts substrates) and substituted indoles were obtained in good to excellent yields. The most distinctive feature of this method lies in the high selectivity for N-benzoylindole over benzoxazine, and this is the first example of Pd(II)-catalyzed synthesis of substituted N-benzoylindole. Notably, this new method was applied for the synthesis of key intermediate of indomethacin.
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14
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Panda B. Joy and Challenges of Alkynylation of Arenes and Heteroarenes through Double C−H Functionalizations. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900733] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Biswajit Panda
- Department of ChemistryCity College 102/1 Raja Rammohan Sarani Kolkata 700009 India
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15
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Zhang A, Meng T, Wang W, Liu X, Zhu Y, Liu L. Palladium‐catalyzed cyclization reaction of N‐(2‐Haloaryl)alkynylimines: Synthesis of 3‐acylindoles using water as the sole solvent and oxygen source. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- An‐An Zhang
- College of Chemistry and Chemical EngineeringShangqiu Normal University Shangqiu 47600, P. R. China
| | - Tuanjie Meng
- College of Chemistry and Chemical EngineeringShangqiu Normal University Shangqiu 47600, P. R. China
| | - Wenli Wang
- College of Chemistry and Chemical EngineeringShangqiu Normal University Shangqiu 47600, P. R. China
| | - Xueli Liu
- College of Chemistry and Chemical EngineeringShangqiu Normal University Shangqiu 47600, P. R. China
| | - Yupei Zhu
- College of Chemistry and Chemical EngineeringShangqiu Normal University Shangqiu 47600, P. R. China
| | - Lantao Liu
- College of Chemistry and Chemical EngineeringShangqiu Normal University Shangqiu 47600, P. R. China
- College of ChemistryZhengzhou University Zhengzhou 450001 P. R. China
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of ChemistryPeking University Beijing 100871 P. R. China
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16
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Chen X, Bian Y, Mo B, Sun P, Chen C, Peng J. Copper(ii)-catalyzed synthesis of multisubstituted indoles through sequential Chan–Lam and cross-dehydrogenative coupling reactions. RSC Adv 2020; 10:24830-24839. [PMID: 35517475 PMCID: PMC9055228 DOI: 10.1039/d0ra04592f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 06/22/2020] [Indexed: 12/04/2022] Open
Abstract
Starting from arylboronic acids and ester (Z)-3-aminoacrylates, one-pot syntheses of diverse indole-3-carboxylic esters have been described through copper(ii)-catalyzed sequential Chan–Lam N-arylation and cross-dehydrogenative coupling (CDC) reactions. The initial Chan–Lam arylation can proceed in DMF at 100 °C for 24 h to give ester (Z)-3-(arylamino)acrylate intermediates in the presence of Cu(OAc)2/tri-tert-butylphosphine tetrafluoroborate, a catalytic amount of myristic acid as the additive, KMnO4 and KHCO3. Sequentially, these in situ arylated intermediates can undergo an intramolecular oxidative cross-dehydrogenative coupling process in mixed solvents (DMF/DMSO = 2 : 1) at 130 °C to give C3-functionalized multi-substituted indole derivatives. One-pot syntheses of diverse indole-3-carboxylic esters have been described through copper(ii)-catalyzed sequential oxidative Chan–Lam N-arylation and cross-dehydrogenative coupling (CDC) reaction.![]()
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Affiliation(s)
- Xin Chen
- College of Chemistry
- Chemical Engineering and Resource Utilization
- Northeast Forestry University
- Harbin
- P. R. China
| | - Yunyun Bian
- College of Chemistry
- Chemical Engineering and Resource Utilization
- Northeast Forestry University
- Harbin
- P. R. China
| | - Baichuan Mo
- College of Chemistry
- Chemical Engineering and Resource Utilization
- Northeast Forestry University
- Harbin
- P. R. China
| | - Peng Sun
- College of Chemistry
- Chemical Engineering and Resource Utilization
- Northeast Forestry University
- Harbin
- P. R. China
| | - Chunxia Chen
- College of Chemistry
- Chemical Engineering and Resource Utilization
- Northeast Forestry University
- Harbin
- P. R. China
| | - Jinsong Peng
- College of Chemistry
- Chemical Engineering and Resource Utilization
- Northeast Forestry University
- Harbin
- P. R. China
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17
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Kim YH, Yoo HJ, Youn SW. Facile one-pot synthesis of 2-aminoindoles from simple anilines and ynamides. Chem Commun (Camb) 2020; 56:13963-13966. [DOI: 10.1039/d0cc06490d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly effective and facile one-pot reaction has been developed for the synthesis of 2-aminoindoles directly from anilines and ynamides.
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Affiliation(s)
- Young Ho Kim
- Center for New Directions in Organic Synthesis
- Department of Chemistry and Research Institute for Natural Sciences
- Hanyang University
- Seoul 04763
- Korea
| | - Huen Ji Yoo
- Center for New Directions in Organic Synthesis
- Department of Chemistry and Research Institute for Natural Sciences
- Hanyang University
- Seoul 04763
- Korea
| | - So Won Youn
- Center for New Directions in Organic Synthesis
- Department of Chemistry and Research Institute for Natural Sciences
- Hanyang University
- Seoul 04763
- Korea
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18
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Romero AH. Fused Heteroaromatic Rings via Metal-Mediated/Catalyzed Intramolecular C–H Activation: A Comprehensive Review. Top Curr Chem (Cham) 2019; 377:21. [DOI: 10.1007/s41061-019-0246-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/22/2019] [Indexed: 12/22/2022]
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19
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Verschueren RH, De Borggraeve WM. Electrochemistry and Photoredox Catalysis: A Comparative Evaluation in Organic Synthesis. Molecules 2019; 24:E2122. [PMID: 31195644 PMCID: PMC6600520 DOI: 10.3390/molecules24112122] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 05/21/2019] [Accepted: 05/23/2019] [Indexed: 12/05/2022] Open
Abstract
This review provides an overview of synthetic transformations that have been performed by both electro- and photoredox catalysis. Both toolboxes are evaluated and compared in their ability to enable said transformations. Analogies and distinctions are formulated to obtain a better understanding in both research areas. This knowledge can be used to conceptualize new methodological strategies for either of both approaches starting from the other. It was attempted to extract key components that can be used as guidelines to refine, complement and innovate these two disciplines of organic synthesis.
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Affiliation(s)
- Rik H Verschueren
- Department of Chemistry, Molecular Design and Synthesis, KU Leuven, Celestijnenlaan 200F, box 2404, 3001 Leuven, Belgium.
| | - Wim M De Borggraeve
- Department of Chemistry, Molecular Design and Synthesis, KU Leuven, Celestijnenlaan 200F, box 2404, 3001 Leuven, Belgium.
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20
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Cao Z, Zhu JB, Wang L, Liao S, Tang Y. A Synthesis of Multifunctionalized Indoles from [3 + 2] Annulation of 2-Bromocyclopropenes with Anilines. Org Lett 2019; 21:4097-4100. [DOI: 10.1021/acs.orglett.9b01276] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhu Cao
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, Fujian 350108, China
| | - Jian-Bo Zhu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Lijia Wang
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China
| | - Saihu Liao
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, Fujian 350108, China
| | - Yong Tang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
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21
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Su J, Zhang K, Zhuang M, Ma F, Zhang W, Sun H, Zhang G, Jian Y, Gao Z. One‐Pot Synthesis of Indoles from Aniline and α,β‐Ynones through an Iodine‐Mediated Transition‐Metal‐Free Tandem
aza
‐Michael addition/C−H Functionalization. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900152] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Jie Su
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
| | - Kan Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
| | - Mengyuan Zhuang
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
| | - Fuyu Ma
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
| | - Wei‐Qiang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
| | - Huaming Sun
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
| | - Guofang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
| | - Yajun Jian
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
| | - Ziwei Gao
- Key Laboratory of Applied Surface and Colloid Chemistry, MOESchool of Chemistry and Chemical EngineeringShaanxi Normal University No. 620, West Chang'an Avenue, Chang'an District Xi'an P.R.China 710119
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22
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Bellezza D, Noverges B, Fasano F, Sarmiento JT, Medio-Simón M, Asensio G. Palladium-Catalyzed C-C Ring Closure in α-Chloromethylimines: Synthesis of 1H
-Indoles. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801607] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Delia Bellezza
- Department of Organic Chemistry; University of Valencia; Ave Vicent Andrés Estellés s/n Spain
| | - Bárbara Noverges
- Department of Organic Chemistry; University of Valencia; Ave Vicent Andrés Estellés s/n Spain
| | - Francesco Fasano
- Department of Organic Chemistry; University of Valencia; Ave Vicent Andrés Estellés s/n Spain
| | - Jeymy T. Sarmiento
- Department of Organic Chemistry; University of Valencia; Ave Vicent Andrés Estellés s/n Spain
| | - Mercedes Medio-Simón
- Department of Organic Chemistry; University of Valencia; Ave Vicent Andrés Estellés s/n Spain
| | - Gregorio Asensio
- Department of Organic Chemistry; University of Valencia; Ave Vicent Andrés Estellés s/n Spain
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23
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Zhang G, Zhu J, Ding C. Pharmaceutical-Oriented Iron-Catalyzed Ethoxylation of Aryl C(sp
2
)-H Bonds with Cobalt Co-Catalyst. ChemistrySelect 2018. [DOI: 10.1002/slct.201801881] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Guofu Zhang
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310014, People's Republic of China
| | - Jianfei Zhu
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310014, People's Republic of China
| | - Chengrong Ding
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310014, People's Republic of China
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24
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Lv J, Zhao B, Liu L, Han Y, Yuan Y, Shi Z. Boron Trichloride‐Mediated Synthesis of Indoles
via
the Aminoboration of Alkynes. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800509] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jiahang Lv
- College of Chemistry and Chemical EngineeringYangzhou University Yangzhou 225002 People's Republic of China
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical EngineeringNanjing University Nanjing 210093 People's Republic of China
| | - Binlin Zhao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical EngineeringNanjing University Nanjing 210093 People's Republic of China
| | - Li Liu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and TechnologyChangzhou University Changzhou 213164 People's Republic of China
| | - Ying Han
- College of Chemistry and Chemical EngineeringYangzhou University Yangzhou 225002 People's Republic of China
| | - Yu Yuan
- College of Chemistry and Chemical EngineeringYangzhou University Yangzhou 225002 People's Republic of China
| | - Zhuangzhi Shi
- College of Chemistry and Chemical EngineeringYangzhou University Yangzhou 225002 People's Republic of China
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical EngineeringNanjing University Nanjing 210093 People's Republic of China
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25
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Affiliation(s)
- So Won Youn
- Center for New Directions in Organic Synthesis, Department of Chemistry and Institute for Natural Sciences; Hanyang University; Seoul 04763 Korea
| | - Tae Yun Ko
- Center for New Directions in Organic Synthesis, Department of Chemistry and Institute for Natural Sciences; Hanyang University; Seoul 04763 Korea
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26
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Li Y, Peng J, Chen X, Mo B, Li X, Sun P, Chen C. Copper-Catalyzed Synthesis of Multisubstituted Indoles through Tandem Ullmann-Type C-N Formation and Cross-dehydrogenative Coupling Reactions. J Org Chem 2018; 83:5288-5294. [PMID: 29664297 DOI: 10.1021/acs.joc.8b00353] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Multisubstituted indoles were synthesized via a one-pot tandem copper-catalyzed Ullmann-type C-N bond formation/intramolecular cross-dehydrogenative coupling process at 130 °C in DMSO. The methodology allows practical and modular assembly of indoles in good to excellent yields from readily available aryl iodides and enamines.
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Affiliation(s)
- Yue Li
- Department of Chemistry and Chemical Engineering, College of Science , Northeast Forestry University , Harbin 150040 , P. R. China
| | - Jinsong Peng
- Department of Chemistry and Chemical Engineering, College of Science , Northeast Forestry University , Harbin 150040 , P. R. China
| | - Xin Chen
- Department of Chemistry and Chemical Engineering, College of Science , Northeast Forestry University , Harbin 150040 , P. R. China
| | - Baichuan Mo
- Department of Chemistry and Chemical Engineering, College of Science , Northeast Forestry University , Harbin 150040 , P. R. China
| | - Xue Li
- Department of Chemistry and Chemical Engineering, College of Science , Northeast Forestry University , Harbin 150040 , P. R. China
| | - Peng Sun
- Department of Chemistry and Chemical Engineering, College of Science , Northeast Forestry University , Harbin 150040 , P. R. China
| | - Chunxia Chen
- Department of Chemistry and Chemical Engineering, College of Science , Northeast Forestry University , Harbin 150040 , P. R. China
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27
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Zhang H, Shen J, Cheng G, Feng Y, Cui X. One-Pot Synthesis of Benzo[b][1,4]oxazins via Intramolecular Trapping Iminoenol. Org Lett 2018; 20:664-667. [PMID: 29338245 DOI: 10.1021/acs.orglett.7b03804] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A highly atom-efficient "one-pot" protocol has been developed to construct multisubstituted 2-hydroxy-benzo[b][1,4]oxazins starting from N-(2-hydroxylaryl)enaminones. This procedure comprises a PIDA-mediated intramolecular iminoenol tautomer trapping reaction, followed by Et3N-promoted aerobic oxidative ring construction. In particular, an O2 molecule from air served as the oxygen source of the hydroxyl group in the titled products. This reaction proceeded smoothly at room temperature under air atmosphere and metal-free conditions.
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Affiliation(s)
- Hong Zhang
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University , Xiamen 361021, P. R. China
| | - Jinhai Shen
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University , Xiamen 361021, P. R. China
| | - Guolin Cheng
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University , Xiamen 361021, P. R. China
| | - Yadong Feng
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University , Xiamen 361021, P. R. China
| | - Xiuling Cui
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University , Xiamen 361021, P. R. China
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28
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Jin T, Tang Z, Hu J, Yuan H, Chen Y, Li C, Jia X, Li J. Iron-Catalyzed Aerobic Oxidation and Annulation Reaction of Pyridine and α-Substituted Allenoate toward Functionalized Indolizine. Org Lett 2018; 20:413-416. [DOI: 10.1021/acs.orglett.7b03696] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Tao Jin
- Department
of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China
| | - Zhongzhong Tang
- Department
of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China
| | - Jie Hu
- Department
of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China
| | - Hongdong Yuan
- Department
of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China
| | - Yaoyao Chen
- Department
of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China
| | - Chunju Li
- Department
of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China
| | - Xueshun Jia
- Department
of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - Jian Li
- Department
of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China
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29
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Ojha NK, Zyryanov GV, Majee A, Charushin VN, Chupakhin ON, Santra S. Copper nanoparticles as inexpensive and efficient catalyst: A valuable contribution in organic synthesis. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.10.004] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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30
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Wu J, Liao Z, Liu D, Chiang CW, Li Z, Zhou Z, Yi H, Zhang X, Deng Z, Lei A. From Anilines to Quinolines: Iodide- and Silver-Mediated Aerobic Double C−H Oxidative Annulation-Aromatization. Chemistry 2017; 23:15874-15878. [DOI: 10.1002/chem.201703218] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Jiwei Wu
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
| | - Zhixiong Liao
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery; Wuhan University, Ministry of Education, Wuhan University School of Pharmaceutical Sciences; Wuhan 430072 Hubei P. R. China
| | - Dong Liu
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
| | - Chien-Wei Chiang
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
| | - Zheng Li
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
| | - Zhonghao Zhou
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
| | - Hong Yi
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
| | - Xu Zhang
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
| | - Zixin Deng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery; Wuhan University, Ministry of Education, Wuhan University School of Pharmaceutical Sciences; Wuhan 430072 Hubei P. R. China
| | - Aiwen Lei
- The Institute for Advanced Studies (IAS); College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 Hubei P. R. China
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery; Wuhan University, Ministry of Education, Wuhan University School of Pharmaceutical Sciences; Wuhan 430072 Hubei P. R. China
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31
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Affiliation(s)
- Yangye Jiang
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering, Beijing University of Technology, Beijing 100124, China
| | - Kun Xu
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering, Beijing University of Technology, Beijing 100124, China
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
| | - Chengchu Zeng
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering, Beijing University of Technology, Beijing 100124, China
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32
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Abstract
The preparation and transformation of heterocyclic structures have always been of great interest in organic chemistry. Electrochemical technique provides a versatile and powerful approach to the assembly of various heterocyclic structures. In this review, we examine the advance in relation to the electrochemical construction of heterocyclic compounds published since 2000 via intra- and intermolecular cyclization reactions.
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Affiliation(s)
- Yangye Jiang
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering , Beijing University of Technology , Beijing 100124 , China
| | - Kun Xu
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering , Beijing University of Technology , Beijing 100124 , China.,College of Chemistry and Pharmaceutical Engineering , Nanyang Normal University , Nanyang , Henan 473061 , China
| | - Chengchu Zeng
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering , Beijing University of Technology , Beijing 100124 , China
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33
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Liu WQ, Lei T, Song ZQ, Yang XL, Wu CJ, Jiang X, Chen B, Tung CH, Wu LZ. Visible Light Promoted Synthesis of Indoles by Single Photosensitizer under Aerobic Conditions. Org Lett 2017; 19:3251-3254. [DOI: 10.1021/acs.orglett.7b01367] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wen-Qiang Liu
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Tao Lei
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zi-Qi Song
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Xiu-Long Yang
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Cheng-Juan Wu
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Xin Jiang
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Bin Chen
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Chen-Ho Tung
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Li-Zhu Wu
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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34
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Patel P, Borah G. Direct Access to Indoles by Ir
III
‐Catalyzed C–H Functionalization of Acetanilides with Diazo Compounds. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700095] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Pitambar Patel
- Chemical Science and Technology Division CSIR – North East Institute of Science and Technology, Jorhat 785006 Jorhat Assam India
| | - Gongutri Borah
- Chemical Science and Technology Division CSIR – North East Institute of Science and Technology, Jorhat 785006 Jorhat Assam India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad U.P.-201002 India
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35
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Hu FZ, Zhao SH, Chen H, Yu SW, Xu XY, Yuan WC, Zhang XM. Facile Synthesis of 2,3-Disubstituted Indoles by NBS/CuCl Mediated Oxidative Cyclization of N
-Aryl Enamines. ChemistrySelect 2017. [DOI: 10.1002/slct.201700096] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Fang-Zhi Hu
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan Province; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences Chengdu 610041 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Si-Han Zhao
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan Province; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences Chengdu 610041 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Hui Chen
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan Province; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences Chengdu 610041 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Shuo-Wen Yu
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan Province; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences Chengdu 610041 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Xiao-Ying Xu
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan Province; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences Chengdu 610041 China
| | - Wei-Cheng Yuan
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan Province; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences Chengdu 610041 China
| | - Xiao-Mei Zhang
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan Province; Chengdu Institute of Organic Chemistry; Chinese Academy of Sciences Chengdu 610041 China
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36
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Tang S, Gao X, Lei A. Electrocatalytic intramolecular oxidative annulation of N-aryl enamines into substituted indoles mediated by iodides. Chem Commun (Camb) 2017; 53:3354-3356. [DOI: 10.1039/c7cc00410a] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
An electrocatalytic reaction protocol is developed for achieving intramolecular dehydrogenative annulation ofN-aryl enamines.
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Affiliation(s)
- Shan Tang
- College of Chemistry and Molecular Sciences
- Institute for Advanced Studies (IAS)
- Wuhan University
- Wuhan 430072
- China
| | - Xinlong Gao
- College of Chemistry and Molecular Sciences
- Institute for Advanced Studies (IAS)
- Wuhan University
- Wuhan 430072
- China
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences
- Institute for Advanced Studies (IAS)
- Wuhan University
- Wuhan 430072
- China
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37
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Cai S, Lin S, Yi X, Xi C. Substrate-Controlled Transformation of Azobenzenes to Indazoles and Indoles via Rh(III)-Catalysis. J Org Chem 2016; 82:512-520. [PMID: 27936695 DOI: 10.1021/acs.joc.6b02548] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Rh(III)-catalyzed substrate-controlled transformation of azobenzenes to indazoles and 2-acyl (NH) indoles is achieved via C-H functionalization. Generally, good functional groups tolerance, satisfying yields, and excellent regio-selectivity are achieved in this reaction. Mechanistically, the reaction with acrylates undergoes β-hydride elimination, while the reaction with vinyl ketones or acrylamides undergoes nucleophilic addition. Copper acetate was supposed to play different roles in the β-hydride elimination to furnish indazoles and nucleophilic addition of C-Rh bond to deliver 2-acyl (NH) indoles.
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Affiliation(s)
- Shangjun Cai
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University , Beijing 100084, China
| | - Songyun Lin
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University , Beijing 100084, China
| | - Xiangli Yi
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University , Beijing 100084, China
| | - Chanjuan Xi
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University , Beijing 100084, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University , Tianjin 300071, China
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38
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Zhong M, Sun S, Cheng J, Shao Y. Iron-Catalyzed Cyclization of Nitrones with Geminal-Substituted Vinyl Acetates: A Direct [4 + 2] Assembly Strategy Leading to 2,4-Disubstituted Quinolines. J Org Chem 2016; 81:10825-10831. [DOI: 10.1021/acs.joc.6b01910] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mingbing Zhong
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China
| | - Song Sun
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China
| | - Jiang Cheng
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China
| | - Ying Shao
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China
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39
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Affiliation(s)
- Miaoshen Su
- Hebei Key Laboratory of Bioinorganic Chemistry, College of Sciences; Agricultural University of Hebei; Baoding 071001 China
| | - Cheng Li
- Hebei Key Laboratory of Bioinorganic Chemistry, College of Sciences; Agricultural University of Hebei; Baoding 071001 China
| | - Jingjun Ma
- Hebei Key Laboratory of Bioinorganic Chemistry, College of Sciences; Agricultural University of Hebei; Baoding 071001 China
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40
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Wu CJ, Meng QY, Lei T, Zhong JJ, Liu WQ, Zhao LM, Li ZJ, Chen B, Tung CH, Wu LZ. An Oxidant-Free Strategy for Indole Synthesis via Intramolecular C–C Bond Construction under Visible Light Irradiation: Cross-Coupling Hydrogen Evolution Reaction. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00917] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Cheng-Juan Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Qing-Yuan Meng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Tao Lei
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Jian-Ji Zhong
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Wen-Qiang Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Lei-Min Zhao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Zhi-Jun Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Bin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China
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41
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Fe-Catalyzed Cross-Dehydrogenative Coupling Reactions. Top Curr Chem (Cham) 2016; 374:38. [DOI: 10.1007/s41061-016-0038-y] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 05/19/2016] [Indexed: 12/30/2022]
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42
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Mishra A, Deb I. Palladium-Catalyzed Oxidative Cyclization for the Synthesis of Indolyl/Pyrrolyl 3-Phosphonates. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600321] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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43
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Deng GB, Li HB, Yang XH, Song RJ, Hu M, Li JH. Dehydrogenative [2 + 2 + 1] Heteroannulation Using a Methyl Group as a One-Carbon Unit: Access to Pyrazolo[3,4-c]quinolines. Org Lett 2016; 18:2012-5. [PMID: 27123866 DOI: 10.1021/acs.orglett.6b00618] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A practical and straightforward access to pyrazolo[3,4-c]quinolines by molecular sieve mediated dehydrogenative [2 + 2 + 1] heteroannulation of N-(o-alkenylaryl)imines with aryldiazonium salts is described using a sp(3)-hybrid carbon atom as a one-carbon unit. The reaction enables the formation of three new chemical bonds, a C-C bond and two C-N bonds, in a single reaction and features simple operation and excellent functional group tolerance.
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Affiliation(s)
- Guo-Bo Deng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Hai-Bing Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Xu-Heng Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Ren-Jie Song
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Ming Hu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China
| | - Jin-Heng Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082, China.,State Key Laboratory of Applied Organic Chemistry Lanzhou University , Lanzhou 730000, China
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44
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Yugandar S, Konda S, Ila H. Amine Directed Pd(II)-Catalyzed C–H Activation-Intramolecular Amination of N-Het(aryl)/Acyl Enaminonitriles and Enaminones: An Approach towards Multisubstituted Indoles and Heterofused Pyrroles. J Org Chem 2016; 81:2035-52. [DOI: 10.1021/acs.joc.5b02902] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Somaraju Yugandar
- New Chemistry Unit, Jawaharlal Nehru Centre
for Advanced Scientific Research, Jakkur, Bangalore-560064, India
| | - Saidulu Konda
- New Chemistry Unit, Jawaharlal Nehru Centre
for Advanced Scientific Research, Jakkur, Bangalore-560064, India
| | - Hiriyakkanavar Ila
- New Chemistry Unit, Jawaharlal Nehru Centre
for Advanced Scientific Research, Jakkur, Bangalore-560064, India
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45
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Yu K, Liang Y, Li B, Wang B. Rhodium(III)-Catalyzed Synthesis of Indole Derivatives From Pyrimidyl-Substituted Anilines and Diazo Compounds. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201500954] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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46
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Bernardo CEP, Silva PJ. Computational exploration of the reaction mechanism of the Cu(+)-catalysed synthesis of indoles from N-aryl enaminones. ROYAL SOCIETY OPEN SCIENCE 2016; 3:150582. [PMID: 26998328 PMCID: PMC4785979 DOI: 10.1098/rsos.150582] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Accepted: 01/08/2016] [Indexed: 06/05/2023]
Abstract
We have studied the role of Cu(+)-phenantroline as a catalyst in the cyclization of N-aryl-enaminones using density-functional theory computations. The catalyst was found to bind the substrate upon deprotonation of its eneaminone, and to dramatically increase the acidity of the carbon adjacent to the ketone functionality. The deprotonation of this carbon atom yields a carbanion which attacks the aryl moiety, thereby closing the heterocycle in the rate-determining step. This C-C bond forming reaction was found to proceed much more rapidly when preceded by re-protonation of the substrate N-atom (which had lost H(+) in the initial step). Hydride transfer to the catalyst then completes the indole synthesis, in a very fast step. The influence of Li(+) and K(+) on the regio-selectivity of the cyclization of bromo-substituted analogues could not, however, be reproduced by our model. Alternative pathways involving either single-electron transfer from the catalyst to the substrate or ring cyclization without previous carbon α-deprotonation were found to be kinetically or thermodynamically inaccessible.
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47
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Tan Q, Xu B. CH Bond Activation as a Powerful Tool in the Construction of Biologically Active Nitrogen-Containing Heterocycles. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2016. [DOI: 10.1016/b978-0-444-63749-9.00009-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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48
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Shen J, Xue L, Lin X, Cheng G, Cui X. The base-promoted synthesis of multisubstituted benzo[b][1,4]oxazepines. Chem Commun (Camb) 2016; 52:3292-5. [DOI: 10.1039/c5cc09877g] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A variety of substituted benzo[b][1,4]oxazepines have been prepared via base-promoted intramolecular O-arylation from N-(2-haloaryl)enaminones under metal-free conditions.
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Affiliation(s)
- Jinhai Shen
- Key Laboratory of Xiamen Marine and Gene Drugs
- Institutes of Molecular Medicine and School of Biomedical Sciences
- Huaqiao University & Engineering Research Center of Molecular Medicine
- Ministry of Education
- Xiamen 361021
| | - Lulu Xue
- Key Laboratory of Xiamen Marine and Gene Drugs
- Institutes of Molecular Medicine and School of Biomedical Sciences
- Huaqiao University & Engineering Research Center of Molecular Medicine
- Ministry of Education
- Xiamen 361021
| | - Xing Lin
- Key Laboratory of Xiamen Marine and Gene Drugs
- Institutes of Molecular Medicine and School of Biomedical Sciences
- Huaqiao University & Engineering Research Center of Molecular Medicine
- Ministry of Education
- Xiamen 361021
| | - Guolin Cheng
- Key Laboratory of Xiamen Marine and Gene Drugs
- Institutes of Molecular Medicine and School of Biomedical Sciences
- Huaqiao University & Engineering Research Center of Molecular Medicine
- Ministry of Education
- Xiamen 361021
| | - Xiuling Cui
- Key Laboratory of Xiamen Marine and Gene Drugs
- Institutes of Molecular Medicine and School of Biomedical Sciences
- Huaqiao University & Engineering Research Center of Molecular Medicine
- Ministry of Education
- Xiamen 361021
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49
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Sha Q, Arman H, Doyle MP. Three-Component Cascade Reactions with 2,3-Diketoesters: A Novel Metal-Free Synthesis of 5-Vinyl-pyrrole and 4-Hydroxy-indole Derivatives. Org Lett 2015; 17:3876-9. [DOI: 10.1021/acs.orglett.5b01855] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qiang Sha
- School
of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. of China
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Hadi Arman
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Michael P. Doyle
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
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50
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Yan H, Wang H, Li X, Xin X, Wang C, Wan B. Rhodium-Catalyzed CH Annulation of Nitrones with Alkynes: A Regiospecific Route to Unsymmetrical 2,3-Diaryl-Substituted Indoles. Angew Chem Int Ed Engl 2015; 54:10613-7. [DOI: 10.1002/anie.201503997] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Indexed: 12/14/2022]
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