101
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Li J, Hao WJ, Zhou P, Zhu YL, Wang SL, Tu SJ, Jiang B. Oxidative bicyclization of N-tethered 1,7-enynes toward polycyclic 3,4-dihydroquinolin-2(1H)-ones via site-selective decarboxylative C(sp3)–H functionalization. RSC Adv 2017. [DOI: 10.1039/c6ra28589a] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A new Ag-catalyzed oxidative bicyclization of N-tethered 1,7-enynes with alkylcarboxylic acids for forming 41 examples of polycyclic 3,4-dihydroquinolin-2(1H)-ones has been established using readily accessible K2S2O8 as an oxidant.
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Affiliation(s)
- Jie Li
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Wen-Juan Hao
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Peng Zhou
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Yi-Long Zhu
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Shu-Liang Wang
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Shu-Jiang Tu
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Bo Jiang
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
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102
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Xuan J, Studer A. Radical cascade cyclization of 1,n-enynes and diynes for the synthesis of carbocycles and heterocycles. Chem Soc Rev 2017; 46:4329-4346. [DOI: 10.1039/c6cs00912c] [Citation(s) in RCA: 261] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review highlights recent advances in radical cascade cyclization of 1,n-enynes and diynes for the construction of carbo- and heterocycles.
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Affiliation(s)
- Jun Xuan
- Department of Chemistry
- Anhui University
- Hefei
- People's Republic of China
| | - Armido Studer
- Institute of Organic Chemistry
- Westfälische Wilhems-University
- 48149 Münster
- Germany
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103
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An Y, Zhang J, Xia H, Wu J. Radical cyclization of benzene-tethered 1,7-enynes with aryldiazonium tetrafluoroborates: a facile route to benzo[j]phenanthridines. Org Chem Front 2017. [DOI: 10.1039/c7qo00193b] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A radical cyclization of benzene-tethered 1,7-enynes with aryldiazonium tetrafluoroborates in the presence of copper(ii) acetate and DABCO˙(SO2)2 is developed, leading to diverse benzo[j]phenanthridines.
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Affiliation(s)
- Yuanyuan An
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Jun Zhang
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Hongguang Xia
- Department of Biochemistry and Molecular Biology
- Zhejiang University School of Medicine
- Hangzhou 310058
- China
| | - Jie Wu
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
- State Key Laboratory of Organometallic Chemistry
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104
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Jafarpour F, Abbasnia M. A Regioselective Metal-Free Construction of 3-Aroyl Coumarins by Csp2-H Functionalization. J Org Chem 2016; 81:11982-11986. [DOI: 10.1021/acs.joc.6b02051] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Farnaz Jafarpour
- School
of Chemistry, College
of Science, University of Tehran, Tehran 1417466191, Iran
| | - Masoumeh Abbasnia
- School
of Chemistry, College
of Science, University of Tehran, Tehran 1417466191, Iran
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105
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Jhuang HS, Reddy DM, Chen TH, Lee CF. DTBP/TBHP-Promoted Hydroacylation of Unactivated Alkenes. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600423] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Huei-Shu Jhuang
- Department of Chemistry; National Chung Hsing University; Taichung Taiwan 402 R.O.C
| | | | - Te-Hsuan Chen
- Department of Chemistry; National Chung Hsing University; Taichung Taiwan 402 R.O.C
| | - Chin-Fa Lee
- Department of Chemistry; National Chung Hsing University; Taichung Taiwan 402 R.O.C
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106
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Ji W, Liu YA, Liao X. Transition-Metal-Free Synthesis of N
-Hydroxy Oxindoles by an Aza-Nazarov-Type Reaction Involving Azaoxyallyl Cations. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201607177] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wenzhi Ji
- School of Pharmaceutical Sciences; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases; Tsinghua University; China
| | - Yahu A. Liu
- Medicinal Chemistry; Genomics Institute of the Novartis Research Foundation; San Diego CA 92121 USA
| | - Xuebin Liao
- School of Pharmaceutical Sciences; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases; Tsinghua University; China
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107
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Yang XH, Song RJ, Xie YX, Li JH. Iron Catalyzed Oxidative Coupling, Addition, and Functionalization. ChemCatChem 2016. [DOI: 10.1002/cctc.201600019] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Xu-Heng Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P.R. China
| | - Ren-Jie Song
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P.R. China
| | - Ye-Xiang Xie
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P.R. China
| | - Jin-Heng Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P.R. China
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou 730000 P.R. China
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108
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Che C, Huang Q, Zheng H, Zhu G. Copper-catalyzed cascade annulation of unsaturated α-bromocarbonyls with enynals: a facile access to ketones from aldehydes. Chem Sci 2016; 7:4134-4139. [PMID: 30155057 PMCID: PMC6014112 DOI: 10.1039/c5sc04980f] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Accepted: 03/03/2016] [Indexed: 12/27/2022] Open
Abstract
A Cu-catalyzed cascade annulation of enynals with alkenyl or alkynyl α-bromocarbonyls for the synthesis of various cyclohexenone-fused polycyclic compounds is described. Up to six new C-C bonds and four new carbocycles can be established in a single reaction, highlighting the high efficiency and step-economics of this protocol. This reaction offers a novel and straightforward entry to the synthesis of ketones featuring the addition of carbon radicals to aldehydes.
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Affiliation(s)
- Chao Che
- Department of Chemistry , Zhejiang Normal University , 688 Yingbin Road , Jinhua 321004 , China .
| | - Qianwen Huang
- Department of Chemistry , Zhejiang Normal University , 688 Yingbin Road , Jinhua 321004 , China .
| | - Hanliang Zheng
- Department of Chemistry , Zhejiang Normal University , 688 Yingbin Road , Jinhua 321004 , China .
| | - Gangguo Zhu
- Department of Chemistry , Zhejiang Normal University , 688 Yingbin Road , Jinhua 321004 , China .
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109
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Wang C, Chen Q, Guo Q, Liu H, Xu Z, Liu Y, Wang M, Wang R. Silver-Catalyzed Difluoroamidation of Activated Alkenes for the Construction of Difluorinated 3,3-Disubstituted Oxindoles. J Org Chem 2016; 81:5782-8. [DOI: 10.1021/acs.joc.6b01013] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chao Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Qiao Chen
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Quanping Guo
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Hong Liu
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Zhaoqing Xu
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yubing Liu
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Mengran Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Rui Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
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110
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Biswas P, Paul S, Guin J. Aerobic Radical-Cascade Alkylation/Cyclization of α,β-Unsaturated Amides: an Efficient Approach to Quaternary Oxindoles. Angew Chem Int Ed Engl 2016; 55:7756-60. [DOI: 10.1002/anie.201603809] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Indexed: 01/08/2023]
Affiliation(s)
- Promita Biswas
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata- 700032 India
| | - Subhasis Paul
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata- 700032 India
| | - Joyram Guin
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata- 700032 India
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111
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Biswas P, Paul S, Guin J. Aerobic Radical-Cascade Alkylation/Cyclization of α,β-Unsaturated Amides: an Efficient Approach to Quaternary Oxindoles. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201603809] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Promita Biswas
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata- 700032 India
| | - Subhasis Paul
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata- 700032 India
| | - Joyram Guin
- Department of Organic Chemistry; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata- 700032 India
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112
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Ji W, Tan H, Wang M, Li P, Wang L. Photocatalyst-free hypervalent iodine reagent catalyzed decarboxylative acylarylation of acrylamides with α-oxocarboxylic acids driven by visible-light irradiation. Chem Commun (Camb) 2016; 52:1462-5. [PMID: 26649450 DOI: 10.1039/c5cc08253f] [Citation(s) in RCA: 108] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A hypervalent iodine(iii) reagent catalyzed carbonylarylation of acrylamides with α-oxocarboxylic acids driven by visible-light without a photoredox catalyst has been developed. The reactions generate the corresponding products in good yields at room temperature. Experiments indicate that a blue LED (450-455 nm) is the most effective energy for the cleavage of the oxygen-iodine bond to initiate the reaction. Mechanistic studies further demonstrate that the reaction undergoes a cascade decarboxylative radical addition/cyclization process along with releasing CO2 and H2.
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Affiliation(s)
- Wangqin Ji
- Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
| | - Hui Tan
- Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
| | - Min Wang
- Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
| | - Pinhua Li
- Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
| | - Lei Wang
- Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China. and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
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113
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Ji PY, Zhang MZ, Xu JW, Liu YF, Guo CC. Transition-Metal-Free TBAI-Facilitated Addition–Cyclization of N-Methyl-N-arylacrylamides with Arylaldehydes or Benzenesulfonohydrazides: Access to Carbonyl- and Sulfone-Containing N-Methyloxindoles. J Org Chem 2016; 81:5181-9. [DOI: 10.1021/acs.joc.6b00773] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Peng-Yi Ji
- College
of Chemistry and
Chemical Engineering, Advanced Catalytic Engineering Research Center
of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Ming-Zhong Zhang
- College
of Chemistry and
Chemical Engineering, Advanced Catalytic Engineering Research Center
of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Jing-Wen Xu
- College
of Chemistry and
Chemical Engineering, Advanced Catalytic Engineering Research Center
of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Yu-Feng Liu
- College
of Chemistry and
Chemical Engineering, Advanced Catalytic Engineering Research Center
of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Can-Cheng Guo
- College
of Chemistry and
Chemical Engineering, Advanced Catalytic Engineering Research Center
of the Ministry of Education, Hunan University, Changsha 410082, China
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114
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Ouyang XH, Song RJ, Liu B, Li JH. Metal-Free Oxidative Decarbonylative Hydroalkylation of Alkynes with Secondary and Tertiary Alkyl Aldehydes. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201501113] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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115
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Wu W, Dai W, Ji X, Cao S. Silver-Mediated anti-Markovnikov and Markovnikov-Selective Hydrotrifluoromethylthiolation of Terminal Alkynes. Org Lett 2016; 18:2918-21. [DOI: 10.1021/acs.orglett.6b01286] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Wei Wu
- Shanghai Key Laboratory
of
Chemical Biology, School of Pharmacy, East China University of Science and Technology (ECUST), Shanghai 200237, China
| | - Wenpeng Dai
- Shanghai Key Laboratory
of
Chemical Biology, School of Pharmacy, East China University of Science and Technology (ECUST), Shanghai 200237, China
| | - Xinfei Ji
- Shanghai Key Laboratory
of
Chemical Biology, School of Pharmacy, East China University of Science and Technology (ECUST), Shanghai 200237, China
| | - Song Cao
- Shanghai Key Laboratory
of
Chemical Biology, School of Pharmacy, East China University of Science and Technology (ECUST), Shanghai 200237, China
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116
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Zhu H, Nie X, Huang Q, Zhu G. Copper-catalyzed coupling of 2-vinyl benzaldehydes with 3-alkenyl 2-bromocarbonyls for the rapid construction of 3,4-cyclopenta-1-tetralones. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.04.069] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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117
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Lv L, Li Z. Iron-Catalyzed Radical [2 + 2 + 2] Annulation of Benzene-Linked 1,7-Enynes with Aldehydes: Fused Pyran Compounds. Org Lett 2016; 18:2264-7. [DOI: 10.1021/acs.orglett.6b00902] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Leiyang Lv
- Department
of Chemistry, Renmin University of China, Beijing 100872, China
| | - Zhiping Li
- Department
of Chemistry, Renmin University of China, Beijing 100872, China
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118
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Wang SS, Fu H, Shen Y, Sun M, Li YM. Oxidative Radical Addition/Cyclization Cascade for the Construction of Carbonyl-Containing Quinoline-2,4(1H,3H)-Diones. J Org Chem 2016; 81:2920-9. [DOI: 10.1021/acs.joc.6b00210] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Shi-Sheng Wang
- Faculty
of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Hong Fu
- Faculty
of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Yuehai Shen
- Faculty
of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Meng Sun
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Ya-Min Li
- Faculty
of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
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119
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Zhao Y, Sharma N, Sharma UK, Li Z, Song G, Van der Eycken EV. Microwave-Assisted Copper-Catalyzed Oxidative Cyclization of Acrylamides with Non-Activated Ketones. Chemistry 2016; 22:5878-82. [DOI: 10.1002/chem.201504776] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Indexed: 12/23/2022]
Affiliation(s)
- Yaping Zhao
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC); Department of Chemistry; University of Leuven (KU Leuven); Celestijnenlaan 200F 3001 Leuven Belgium
- Shanghai Key Laboratory of Chemical Biology; East China University of Science and Technology; Shanghai 200237 People's Republic of China
| | - Nandini Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC); Department of Chemistry; University of Leuven (KU Leuven); Celestijnenlaan 200F 3001 Leuven Belgium
| | - Upendra K. Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC); Department of Chemistry; University of Leuven (KU Leuven); Celestijnenlaan 200F 3001 Leuven Belgium
| | - Zhenghua Li
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC); Department of Chemistry; University of Leuven (KU Leuven); Celestijnenlaan 200F 3001 Leuven Belgium
| | - Gonghua Song
- Shanghai Key Laboratory of Chemical Biology; East China University of Science and Technology; Shanghai 200237 People's Republic of China
| | - Erik V. Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC); Department of Chemistry; University of Leuven (KU Leuven); Celestijnenlaan 200F 3001 Leuven Belgium
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120
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Wang J, Mou XQ, Zhang BH, Liu WT, Yang C, Xu L, Xu ZL, Wang SH. A metal-free addition/dearomatization–cyclization/decarboxylation cascade of aryl 3-arylpropiolate toward the synthesis of 1,1-diaryl-2-alkyl-substituted ethylenes. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.02.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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121
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Xia XF, Zhu SL, Chen C, Wang H, Liang YM. Silver-Catalyzed Decarboxylative Addition/Cyclization of Activated Alkenes with Aliphatic Carboxylic Acids. J Org Chem 2016; 81:1277-84. [DOI: 10.1021/acs.joc.5b02594] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Xiao-Feng Xia
- The
Key Laboratory of Food Colloids and Biotechnology, Ministry of Education,
School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Su-Li Zhu
- The
Key Laboratory of Food Colloids and Biotechnology, Ministry of Education,
School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Chao Chen
- The
Key Laboratory of Food Colloids and Biotechnology, Ministry of Education,
School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Haijun Wang
- The
Key Laboratory of Food Colloids and Biotechnology, Ministry of Education,
School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yong-Min Liang
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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122
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Li CC, Yang SD. Various difunctionalizations of acrylamide: an efficient approach to synthesize oxindoles. Org Biomol Chem 2016; 14:4365-77. [DOI: 10.1039/c6ob00554c] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In this review, we summarize the advancement and applications in the difunctionalization of acrylamide to synthesize oxindoles based on the mechanism.
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Affiliation(s)
- Chen-Chen Li
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
- Cuiying Honors College
| | - Shang-Dong Yang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
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123
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Wang SS, Fu H, Wang G, Sun M, Li YM. Iron-catalyzed addition/cyclization cascade of activated alkenes with alcohols: access to carbonyl substituted quinoline-2,4-diones. RSC Adv 2016. [DOI: 10.1039/c6ra08976c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Iron-catalyzed radical addition/cyclization cascade of o-cyanoarylacrylamides with alcohols has been developed for the synthesis of carbonyl substituted quinoline-2,4(1H,3H)-diones.
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Affiliation(s)
- Shi-Sheng Wang
- Faculty of Life Science and Technology
- Kunming University of Science and Technology
- Kunming 650500
- P. R. China
| | - Hong Fu
- Faculty of Life Science and Technology
- Kunming University of Science and Technology
- Kunming 650500
- P. R. China
| | - Guanlin Wang
- Faculty of Life Science and Technology
- Kunming University of Science and Technology
- Kunming 650500
- P. R. China
| | - Meng Sun
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education
- Department of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
- P. R. China
| | - Ya-Min Li
- Faculty of Life Science and Technology
- Kunming University of Science and Technology
- Kunming 650500
- P. R. China
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124
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An Y, Li Y, Wu J. A general route to fluorinated 3,3-disubstituted 2-oxindoles via a photoinduced radical cyclization of N-arylacrylamides under catalyst-free conditions. Org Chem Front 2016. [DOI: 10.1039/c6qo00055j] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A catalyst-free radical cyclization of N-arylacrylamides with fluorinated alkyl iodides or the Togni reagent enabled by photoenergy is reported, leading to fluorinated 2-oxindoles in good yields. The broad reaction scope is demonstrated with good functional group tolerance.
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Affiliation(s)
- Yuanyuan An
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Yuewen Li
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Jie Wu
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
- State Key Laboratory of Organometallic Chemistry
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125
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Zhao Y, Li Z, Sharma UK, Sharma N, Song G, Van der Eycken EV. Copper-catalyzed alkylarylation of activated alkenes using isocyanides as the alkyl source: an efficient radical access to 3,3-dialkylated oxindoles. Chem Commun (Camb) 2016; 52:6395-8. [DOI: 10.1039/c6cc02024k] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A novel copper-catalyzed oxidative cyclization of N-arylacrylamides for the synthesis of 3,3-dialkylated oxindoles is described using isocyanides as alkyl radical precursors.
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Affiliation(s)
- Yaping Zhao
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC)
- Department of Chemistry
- University of Leuven (KU Leuven)
- B-3001 Leuven
- Belgium
| | - Zhenghua Li
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC)
- Department of Chemistry
- University of Leuven (KU Leuven)
- B-3001 Leuven
- Belgium
| | - Upendra K. Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC)
- Department of Chemistry
- University of Leuven (KU Leuven)
- B-3001 Leuven
- Belgium
| | - Nandini Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC)
- Department of Chemistry
- University of Leuven (KU Leuven)
- B-3001 Leuven
- Belgium
| | - Gonghua Song
- Shanghai Key Laboratory of Chemical Biology
- East China University of Science and Technology
- Shanghai 200237
- People's Republic of China
| | - Erik V. Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC)
- Department of Chemistry
- University of Leuven (KU Leuven)
- B-3001 Leuven
- Belgium
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126
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Yang XL, Long Y, Chen F, Han B. Synthesis of isoxazoline-featured oxindoles by iminoxyl radical-promoted cascade oxyalkylation/alkylarylation of alkenes. Org Chem Front 2016. [DOI: 10.1039/c5qo00352k] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Isoxazoline-featured oxindoles were synthesized by the reaction of β,γ-unsaturated ketoximes with N-arylacrylamides via iminoxyl radical-promoted cascade intra/intermolecular oxyalkylation/alkylarylation of alkenes.
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Affiliation(s)
- Xiu-Long Yang
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
- P. R. China
| | - Yan Long
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
- P. R. China
| | - Fei Chen
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
- P. R. China
| | - Bing Han
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
- P. R. China
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127
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Ni Z, Huang X, Wang J, Pan Y. Cyanomethylation of alkenes with C–H bond activation of acetonitrile: in situ generated diazonium salts as promoters without transition-metals. RSC Adv 2016. [DOI: 10.1039/c5ra23471a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In situ generated diazonium salts were used as radical promoters for the Csp3–H functionalization of acetonitrile without photocatalyst or transition-metal.
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Affiliation(s)
- Zhangqin Ni
- Department of Chemistry
- Zhejiang University
- Hangzhou
- China
| | - Xin Huang
- Department of Chemistry
- Zhejiang University
- Hangzhou
- China
| | - Jichao Wang
- Department of Chemistry
- Zhejiang University
- Hangzhou
- China
| | - Yuanjiang Pan
- Department of Chemistry
- Zhejiang University
- Hangzhou
- China
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128
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An Y, Kuang Y, Wu J. Synthesis of trifluoromethylated 3,4-dihydroquinolin-2(1H)-ones via a photo-induced radical cyclization of benzene-tethered 1,7-enynes with Togni reagent. Org Chem Front 2016. [DOI: 10.1039/c6qo00267f] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A photoinduced radical cyclization of benzene-tethered 1,7-enynes with Togni reagent in the presence of sodium iodide is developed. This transformation works well without any metals or photo-redox catalysts at room temperature.
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Affiliation(s)
- Yuanyuan An
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Yunyan Kuang
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Jie Wu
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
- State Key Laboratory of Organometallic Chemistry
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129
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Lv L, Qi L, Guo Q, Shen B, Li Z. Iron-Catalyzed Divergent Tandem Radical Annulation of Aldehydes with Olefins toward Indolines and Dihydropyrans. J Org Chem 2015; 80:12562-71. [DOI: 10.1021/acs.joc.5b02457] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Leiyang Lv
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Longying Qi
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Qiaoxia Guo
- State Key
Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Baojian Shen
- State Key
Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Zhiping Li
- Department of Chemistry, Renmin University of China, Beijing 100872, China
- State Key
Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
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130
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Zhao W, Xu L, Ding Y, Niu B, Xie P, Bian Z, Zhang D, Zhou A. Regioselective Coupling Reactions of Coumarins with Aldehydes or Di-tert-butyl Peroxide (DTBP) through a C(sp2)-H Functionalization Process. European J Org Chem 2015. [DOI: 10.1002/ejoc.201501251] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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131
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Bergonzini G, Cassani C, Wallentin CJ. Acyl Radicals from Aromatic Carboxylic Acids by Means of Visible-Light Photoredox Catalysis. Angew Chem Int Ed Engl 2015; 54:14066-9. [PMID: 26403148 PMCID: PMC4648026 DOI: 10.1002/anie.201506432] [Citation(s) in RCA: 125] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 08/26/2015] [Indexed: 11/28/2022]
Abstract
Simple and abundant carboxylic acids have been used as acyl radical precursor by means of visible-light photoredox catalysis. By the transient generation of a reactive anhydride intermediate, this redox-neutral approach offers a mild and rapid entry to high-value heterocyclic compounds without the need of UV irradiation, high temperature, high CO pressure, tin reagents, or peroxides.
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Affiliation(s)
- Giulia Bergonzini
- Department of Chemistry and Molecular Biology, Gothenburg University, 41258 Gothenburg (Sweden)
| | - Carlo Cassani
- Department of Chemistry and Molecular Biology, Gothenburg University, 41258 Gothenburg (Sweden)
| | - Carl-Johan Wallentin
- Department of Chemistry and Molecular Biology, Gothenburg University, 41258 Gothenburg (Sweden).
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132
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Shen X, Borah AJ, Cao X, Pan W, Yan G, Wu X. Direct synthesis of 1,3-dicarbonyl compounds via radical coupling of aldehydes with ketones under metal-free conditions. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.10.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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133
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Mai WP, Sun B, Qian GS, Yuan JW, Mao P, Yang LR, Xiao YM. Metal-free trifluoroethylation of activated alkenes: rapid access to construct fluorinated 3,3-disubstituted 2-oxindoles. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.09.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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134
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Zhang MZ, Ji PY, Liu YF, Guo CC. Transition-Metal-Free Synthesis of Carbonyl-Containing Oxindoles from N-Arylacrylamides and α-Diketones via TBHP- or Oxone-Mediated Oxidative Cleavage of C(sp2)–C(sp2) Bonds. J Org Chem 2015; 80:10777-86. [DOI: 10.1021/acs.joc.5b01977] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ming-Zhong Zhang
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, Advanced Catalytic Engineering Research Center of
the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Peng-Yi Ji
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, Advanced Catalytic Engineering Research Center of
the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yu-Feng Liu
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, Advanced Catalytic Engineering Research Center of
the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Can-Cheng Guo
- State Key
Laboratory of Chemo/Biosensing
and Chemometrics, Advanced Catalytic Engineering Research Center of
the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
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135
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Mai WP, Wang JT, Xiao YM, Mao P, Lu K. A novel direct synthesis of 3-acyl-4-aryldihydroquinolin-2(1H)-ones via metal-free radical tandem cyclization between N-arylcinnamamides and aldehydes. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.08.054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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136
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Bergonzini G, Cassani C, Wallentin C. Acyl Radicals from Aromatic Carboxylic Acids by Means of Visible‐Light Photoredox Catalysis. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201506432] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Giulia Bergonzini
- Department of Chemistry and Molecular Biology, Gothenburg University, 41258 Gothenburg (Sweden)
| | - Carlo Cassani
- Department of Chemistry and Molecular Biology, Gothenburg University, 41258 Gothenburg (Sweden)
| | - Carl‐Johan Wallentin
- Department of Chemistry and Molecular Biology, Gothenburg University, 41258 Gothenburg (Sweden)
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137
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Xia XF, Zhu SL, Zeng M, Gu Z, Wang H, Li W. Acid-catalyzed cascade radical addition/cyclization of arylacrylamides with ketones. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.06.106] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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138
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Liu S, Cheng P, Liu W, Zeng JG. Ascorbic Acid-Initiated Tandem Radical Cyclization of N-Arylacrylamides to Give 3,3-Disubstituted Oxindoles. Molecules 2015; 20:15631-42. [PMID: 26343622 PMCID: PMC6332015 DOI: 10.3390/molecules200915631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 08/18/2015] [Accepted: 08/21/2015] [Indexed: 11/16/2022] Open
Abstract
An ascorbic acid-promoted and metal-free tandem room temperature cyclization of N-arylacrylamides with 4-nitrobenzenediazonium generated in situ was developed. This reaction proceeds smoothly through a radical mechanism and provides an environmentally friendly alternative approach to biologically active 3-alkyl-3-benzyloxindoles, avoiding the use of excess oxidants and light irradiation.
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Affiliation(s)
- Sheng Liu
- Hunan Co-Innovation Center for Utilization of Botanicals Functional Ingredients, Hunan Agricultural University, Changsha 410128, China.
| | - Pi Cheng
- Hunan Co-Innovation Center for Utilization of Botanicals Functional Ingredients, Hunan Agricultural University, Changsha 410128, China.
- Pre-State Key Laboratory for Germplasm Innovation and Utilization of Crop, Hunan Agricultural University, Changsha 410128, China.
| | - Wei Liu
- Hunan Co-Innovation Center for Utilization of Botanicals Functional Ingredients, Hunan Agricultural University, Changsha 410128, China.
| | - Jian-Guo Zeng
- Hunan Co-Innovation Center for Utilization of Botanicals Functional Ingredients, Hunan Agricultural University, Changsha 410128, China.
- Pre-State Key Laboratory for Germplasm Innovation and Utilization of Crop, Hunan Agricultural University, Changsha 410128, China.
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139
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Lv L, Xi H, Bai X, Li Z. Iron-Catalyzed Convergent Radical Cyclization of Aldehydes with Two Alkenes to 3,4-Dihydropyrans. Org Lett 2015; 17:4324-7. [PMID: 26296137 DOI: 10.1021/acs.orglett.5b02138] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A novel convergent radical cyclization of an aldehyde with two alkenes has been developed. With this method, polyfunctionalized 3,4-dihydropyrans are built in an efficient and selective manner. The iron-catalyzed redox radical recombinations are proposed for the formation of a 3,4-dihydropyran skeleton.
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Affiliation(s)
- Leiyang Lv
- Department of Chemistry, Renmin University of China , Beijing 100872, China
| | - Hui Xi
- Department of Chemistry, Renmin University of China , Beijing 100872, China
| | - Xiaohui Bai
- Department of Chemistry, Renmin University of China , Beijing 100872, China
| | - Zhiping Li
- Department of Chemistry, Renmin University of China , Beijing 100872, China
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140
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Visible-Light Photoredox Catalysis: Direct Synthesis of Sulfonated Oxindoles fromN-Arylacrylamides and Arylsulfinic Acids by Means of a Cascade C−S/C−C Formation Process. Chem Asian J 2015; 10:1919-25. [DOI: 10.1002/asia.201500498] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Indexed: 11/07/2022]
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141
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Gui Q, Hu L, Chen X, Liu J, Tan Z. Synthesis of Oxindoles via Iron-Mediated Hydrometallation-Cyclization ofN-Arylacrylamides. ASIAN J ORG CHEM 2015. [DOI: 10.1002/ajoc.201500217] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Qingwen Gui
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P. R. China
| | - Liang Hu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P. R. China
| | - Xiang Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P. R. China
| | - Jidan Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P. R. China
| | - Ze Tan
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha 410082 P. R. China
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142
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Tang RJ, Kang L, Yang L. Metal-Free Oxidative Decarbonylative Coupling of Aliphatic Aldehydes with Azaarenes: Successful Minisci-Type Alkylation of Various Heterocycles. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500268] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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143
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144
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Zhang L, Liu D, Liu ZQ. A Free Radical Cascade Silylarylation of Activated Alkenes: Highly Selective Activation of the Si–H/C–H Bonds. Org Lett 2015; 17:2534-7. [DOI: 10.1021/acs.orglett.5b01067] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lizhi Zhang
- State Key
Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou Gansu 730000, P. R. China
| | - Dong Liu
- State Key
Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou Gansu 730000, P. R. China
| | - Zhong-Quan Liu
- State Key
Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou Gansu 730000, P. R. China
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145
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Ni Z, Wang S, Huang X, Wang J, Pan Y. Synthesis of 3,3-disubstituted oxindoles from anilines nitrosated in situ: a radical-promoted reaction of aromatic amines with N-arylacrylamides. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.03.112] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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146
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Copper-catalyzed cross-dehydrogenative coupling of N-arylacrylamides with chloroform using tert-butyl peroxybenzoate as oxidant for the synthesis of trichloromethylated 2-oxindoles. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.03.109] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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147
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Li CC, Yang SD. Oxidant-Free Rhodium(I)-Catalyzed Difunctionalization of Acrylamide: An Efficient Approach To Synthesize Oxindoles. Org Lett 2015; 17:2142-5. [DOI: 10.1021/acs.orglett.5b00732] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chen-Chen Li
- State
Key Laboratory of Applied Organic Chemistry and ‡Cuiying Honors College, Lanzhou University, Lanzhou 730000, P. R. China
| | - Shang-Dong Yang
- State
Key Laboratory of Applied Organic Chemistry and ‡Cuiying Honors College, Lanzhou University, Lanzhou 730000, P. R. China
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou
Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
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148
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Bunescu A, Wang Q, Zhu J. Synthesis of Functionalized Epoxides by Copper-Catalyzed Alkylative Epoxidation of Allylic Alcohols with Alkyl Nitriles. Org Lett 2015; 17:1890-3. [DOI: 10.1021/acs.orglett.5b00571] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ala Bunescu
- Laboratory of Synthesis and
Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH
5304, 1015 Lausanne, Switzerland
| | - Qian Wang
- Laboratory of Synthesis and
Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH
5304, 1015 Lausanne, Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and
Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH
5304, 1015 Lausanne, Switzerland
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149
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Tang RJ, He Q, Yang L. Metal-free oxidative decarbonylative coupling of aromatic aldehydes with arenes: direct access to biaryls. Chem Commun (Camb) 2015; 51:5925-8. [PMID: 25731601 DOI: 10.1039/c4cc10155c] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A metal-free oxidative decarbonylative coupling of aromatic aldehydes with electron-rich or electron-deficient arenes to produce biaryl compounds was developed. This novel coupling was proposed to proceed via a non-chain radical homolytic aromatic substitution (HAS) type mechanism, based on the substrate scope, ortho-regioselectivity, radical trapping experiments and DFT calculation studies. With the ready availability of aromatic aldehydes and arenes, metal-free conditions should make this coupling attractive for the biaryl synthesis.
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Affiliation(s)
- Ren-Jin Tang
- Key Laboratory for Environmentally Friendly Chemistry and Application of the Ministry of Education, College of Chemistry, Xiangtan University, Hunan, 411105, China.
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150
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Chatalova-Sazepin C, Wang Q, Sammis GM, Zhu J. Copper-Catalyzed Intermolecular Carboetherification of Unactivated Alkenes by Alkyl Nitriles and Alcohols. Angew Chem Int Ed Engl 2015; 54:5443-6. [DOI: 10.1002/anie.201412357] [Citation(s) in RCA: 138] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Revised: 02/01/2015] [Indexed: 11/08/2022]
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