1
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Yang X, Zhang B, Ruan J, Duanmu K, Chen W. Palladium-Catalyzed Allylation of Endocyclic 1-Azaallyl Anions. J Org Chem 2024; 89:8896-8905. [PMID: 38856706 DOI: 10.1021/acs.joc.4c00743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Endocyclic 1-azaallyl anions engage allyl acetates in a palladium-catalyzed allylation followed by reduction to give unprotected 2-(hetero)aryl-3-allylpiperidines and 2-allyl-3-arylmorpholines, products not easily accessible by other means. The allyl group is then readily transformed into a variety of functional groups. Preliminary studies on the asymmetric variant of the reaction using an enantiomerically pure BI-DIME-type ligand provide the product with moderate enantioselectivity. Computational studies suggest that energy barriers of inner-sphere reductive elimination and outer-sphere nucleophilic substitution are almost the same, which makes both of them possible reaction pathways. In addition, the inner-sphere mechanism displays an enantiodiscriminating C-C bond forming step, while the outer-sphere mechanism is much less selective, which combined to give the asymmetric variant of the reaction moderate enantioselectivity.
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Affiliation(s)
- Xiaoyu Yang
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
| | - Biao Zhang
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
| | - Junhao Ruan
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
| | - Kaining Duanmu
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
| | - Weijie Chen
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
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2
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Zhang B, Ruan J, Seidel D, Chen W. Palladium-Catalyzed Arylation of Endocyclic 1-Azaallyl Anions: Concise Synthesis of Unprotected Enantioenriched cis-2,3-Diarylpiperidines. Angew Chem Int Ed Engl 2023; 62:e202307638. [PMID: 37461285 PMCID: PMC10530244 DOI: 10.1002/anie.202307638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/17/2023] [Indexed: 07/29/2023]
Abstract
Unprotected cis-2,3-diarylpiperidines are synthesized through an unprecedented palladium-catalyzed cross-coupling reaction between aryl halides and elusive endocyclic 1-azaallyl anions. These intermediates are generated in situ by the deprotonation of 2-aryl-1-piperideines, precursors that are readily prepared in two operations from simple piperidines. An asymmetric version of this reaction with (2R, 3R)-iPr-BI-DIME as the ligand provides products in moderate to good yields and enantioselectivities. This study significantly expands the synthetic utility of endocyclic 1-azaallyl anions.
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Affiliation(s)
- Biao Zhang
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai, 200092, P. R. of China
| | - Junhao Ruan
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai, 200092, P. R. of China
| | - Daniel Seidel
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611, USA
| | - Weijie Chen
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai, 200092, P. R. of China
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3
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Chen X, Lin J, Wang B, Tian X. Nickel-Catalyzed Mizoroki-Heck/Amination Cascade Reactions of o-Dihaloarenes with Allylamines: Synthesis of Indoles. Org Lett 2020; 22:7704-7708. [PMID: 32910665 DOI: 10.1021/acs.orglett.0c02909] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient Mizoroki-Heck/amination cascade reaction of o-dihaloarenes with allylamines has been developed using nickel and IPr carbene ligand as catalyst. This protocol enables the synthesis of a broad range of substituted indoles by a cascade process, from readily available starting materials. Mechanistic studies suggest that the Mizoroki-Heck reaction occurred first under IPr-nickel catalysis.
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Affiliation(s)
- Xu Chen
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Jin Lin
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Biao Wang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Xu Tian
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
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4
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Chesnokov GA, Ageshina AA, Topchiy MA, Nechaev MS, Asachenko AF. Transition-Metal-Free Synthesis of 1,2-Disubstituted Indoles. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900772] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Gleb A. Chesnokov
- A.V. Topchiev Institute of Petrochemical Synthesis; Russian Academy of Sciences; 119991 Moscow Leninskiy prospect 29 Russia
- Department of Chemistry; M.V. Lomonosov Moscow State University; 119991 Moscow Leninskiy Gory 1 (3) Russia
| | - Alexandra A. Ageshina
- A.V. Topchiev Institute of Petrochemical Synthesis; Russian Academy of Sciences; 119991 Moscow Leninskiy prospect 29 Russia
| | - Maxim A. Topchiy
- A.V. Topchiev Institute of Petrochemical Synthesis; Russian Academy of Sciences; 119991 Moscow Leninskiy prospect 29 Russia
- Department of Chemistry; M.V. Lomonosov Moscow State University; 119991 Moscow Leninskiy Gory 1 (3) Russia
| | - Mikhail S. Nechaev
- A.V. Topchiev Institute of Petrochemical Synthesis; Russian Academy of Sciences; 119991 Moscow Leninskiy prospect 29 Russia
- Department of Chemistry; M.V. Lomonosov Moscow State University; 119991 Moscow Leninskiy Gory 1 (3) Russia
| | - Andrey F. Asachenko
- A.V. Topchiev Institute of Petrochemical Synthesis; Russian Academy of Sciences; 119991 Moscow Leninskiy prospect 29 Russia
- Department of Chemistry; M.V. Lomonosov Moscow State University; 119991 Moscow Leninskiy Gory 1 (3) Russia
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5
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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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6
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Li P, Weng Y, Xu X, Cui X. Access to Indole Derivatives from Diaryliodonium Salts and 2-Alkynylanilines. J Org Chem 2016; 81:3994-4001. [DOI: 10.1021/acs.joc.6b00106] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Pengfei Li
- 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, China
| | - Yunxiang Weng
- 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, China
| | - Xianxiang Xu
- 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, China
| | - 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, China
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7
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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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8
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Gao B, Liu S, Lan Y, Huang H. Rhodium-Catalyzed Cyclocarbonylation of Ketimines via C–H Bond Activation. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00072] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bao Gao
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou
Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Song Liu
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou
Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People’s Republic of China
- School
of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, People’s Republic of China
| | - Yu Lan
- School
of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, People’s Republic of China
| | - Hanmin Huang
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou
Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People’s Republic of China
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9
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Chowdhury H, Chatterjee N, Goswami A. An Eco-Friendly Route toN-Arylindoles by Iron-Catalyzed [2+2+2] Cycloaddition of Diynes with (Indol-1-yl)alkynes. European J Org Chem 2015. [DOI: 10.1002/ejoc.201501166] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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10
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Gao J, Shao Y, Zhu J, Zhu J, Mao H, Wang X, Lv X. One-Pot Approach to 1,2-Disubstituted Indoles via Cu(II)-Catalyzed Coupling/Cyclization under Aerobic Conditions and Its Application for the Synthesis of Polycyclic Indoles. J Org Chem 2014; 79:9000-8. [DOI: 10.1021/jo501250u] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Jilong Gao
- Department of Chemistry,
College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People’s Republic of China
| | - Yingying Shao
- Department of Chemistry,
College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People’s Republic of China
| | - Jiaoyan Zhu
- Department of Chemistry,
College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People’s Republic of China
| | - Jiaqi Zhu
- Department of Chemistry,
College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People’s Republic of China
| | - Hui Mao
- Department of Chemistry,
College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People’s Republic of China
| | - Xiaoxia Wang
- Department of Chemistry,
College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People’s Republic of China
| | - Xin Lv
- Department of Chemistry,
College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People’s Republic of China
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11
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Sharma U, Kancherla R, Naveen T, Agasti S, Maiti D. Palladium-Catalyzed Annulation of Diarylamines with Olefins through CH Activation: Direct Access to N-Arylindoles. Angew Chem Int Ed Engl 2014; 53:11895-9. [DOI: 10.1002/anie.201406284] [Citation(s) in RCA: 103] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 08/01/2014] [Indexed: 01/08/2023]
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12
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Sharma U, Kancherla R, Naveen T, Agasti S, Maiti D. Palladium-Catalyzed Annulation of Diarylamines with Olefins through CH Activation: Direct Access to N-Arylindoles. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201406284] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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13
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Vaswani RG, Albrecht BK, Audia JE, Côté A, Dakin LA, Duplessis M, Gehling VS, Harmange JC, Hewitt MC, Leblanc Y, Nasveschuk CG, Taylor AM. A practical synthesis of indoles via a Pd-catalyzed C-N ring formation. Org Lett 2014; 16:4114-7. [PMID: 25068576 DOI: 10.1021/ol5018118] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A method for the synthesis of N-functionalized C2-/C3-substituted indoles via Pd-catalyzed C-N bond coupling of halo-aryl enamines is described. The general strategy utilizes a variety of amines and β-keto esters which are elaborated into halo-aryl enamines as latent precursors to indoles. The preferred conditions comprising the RuPhos precatalyst and RuPhos in the presence of NaOMe in 1,4-dioxane tolerate a variety of substituents and are scalable for the construction of indoles in multigram quantities.
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Affiliation(s)
- Rishi G Vaswani
- Department of Chemistry, Constellation Pharmaceuticals, Inc. , 215 First Street, Suite 200, Cambridge, Massachusetts 02142, United States
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14
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Chen C, Shang G, Zhou J, Yu Y, Li B, Peng J. Modular Synthesis of Benzimidazole-Fused Phenanthridines from 2-Arylbenzimidazoles and o-Dibromoarenes by a Palladium-Catalyzed Cascade Process. Org Lett 2014; 16:1872-5. [DOI: 10.1021/ol500248h] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Chunxia Chen
- Department of Chemistry and Chemical Engineering,
College of Science, and ‡Post-doctoral
Mobile Research Station of Forestry Engineering, Northeast Forestry University, Harbin 150040, P. R. China
| | - Guoning Shang
- Department of Chemistry and Chemical Engineering,
College of Science, and ‡Post-doctoral
Mobile Research Station of Forestry Engineering, Northeast Forestry University, Harbin 150040, P. R. China
| | - Jingjie Zhou
- Department of Chemistry and Chemical Engineering,
College of Science, and ‡Post-doctoral
Mobile Research Station of Forestry Engineering, Northeast Forestry University, Harbin 150040, P. R. China
| | - Yanhan Yu
- Department of Chemistry and Chemical Engineering,
College of Science, and ‡Post-doctoral
Mobile Research Station of Forestry Engineering, Northeast Forestry University, Harbin 150040, P. R. China
| | - Bin Li
- Department of Chemistry and Chemical Engineering,
College of Science, and ‡Post-doctoral
Mobile Research Station of Forestry Engineering, Northeast Forestry University, Harbin 150040, P. R. China
| | - Jinsong Peng
- Department of Chemistry and Chemical Engineering,
College of Science, and ‡Post-doctoral
Mobile Research Station of Forestry Engineering, Northeast Forestry University, Harbin 150040, P. R. China
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15
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Shi Z, Suri M, Glorius F. Aerobic Synthesis of Pyrroles and Dihydropyrroles from Imines: Palladium(II)-Catalyzed Intramolecular CH Dehydrogenative Cyclization. Angew Chem Int Ed Engl 2013; 52:4892-6. [DOI: 10.1002/anie.201300477] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2013] [Revised: 03/04/2013] [Indexed: 12/26/2022]
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16
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Shi Z, Suri M, Glorius F. Aerobic Synthesis of Pyrroles and Dihydropyrroles from Imines: Palladium(II)-Catalyzed Intramolecular CH Dehydrogenative Cyclization. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201300477] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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17
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Melkonyan FS, Kuznetsov DE, Yurovskaya MA, Karchava AV. One-pot synthesis of substituted indoles via titanium(iv) alkoxide mediated imine formation – copper-catalyzed N-arylation. RSC Adv 2013. [DOI: 10.1039/c3ra40389k] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
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18
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Zhang L, Li Z, Fan R. 1,2- and 1,4-Additions of 2-Alkynylcyclohexadienimines with Aromatic Amines To Access 4-Amino-N-arylindoles and -azepinoindoles. Org Lett 2012. [DOI: 10.1021/ol3029675] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Li Zhang
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
| | - Zhiming Li
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
| | - Renhua Fan
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
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19
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Literature Survey Part C: Heterocycle Synthesis. MICROWAVES IN ORGANIC AND MEDICINAL CHEMISTRY 2012. [DOI: 10.1002/9783527647828.ch7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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20
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Wang S, Cheng C, Gong F, Wu F, Jiang B, Zhou J, Tu S. Microwave-Assisted Aqueous Synthesis: A Rapid Approach to Poly-functionalized Indoline-Spiro Benzofurodiazepines. CHINESE J CHEM 2011. [DOI: 10.1002/cjoc.201180364] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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21
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Russel JS, Pelkey ET, Greger JG. Five-Membered Ring Systems. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/b978-0-08-096805-6.00006-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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22
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Vicente R. Recent advances in indole syntheses: New routes for a classic target. Org Biomol Chem 2011; 9:6469-80. [DOI: 10.1039/c1ob05750b] [Citation(s) in RCA: 308] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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