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1
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Reddy TP, Gujral J, Roy P, Ramachary DB. Catalytic Ynone–Amidine Formal [4 + 2]-Cycloaddition for the Regioselective Synthesis of Tricyclic Azepines. Org Lett 2020; 22:9653-9657. [DOI: 10.1021/acs.orglett.0c03711] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- T. Prabhakar Reddy
- Catalysis Laboratory, School of Chemistry, University of Hyderabad, Hyderabad,500 046, India
| | - Jagjeet Gujral
- Catalysis Laboratory, School of Chemistry, University of Hyderabad, Hyderabad,500 046, India
| | - Pritam Roy
- Catalysis Laboratory, School of Chemistry, University of Hyderabad, Hyderabad,500 046, India
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2
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Aksamentova TN, Chipanina NN, Andreev MV, Sterkhova IV, Pavlov DV, Medvedeva AS. Molecular structure of β-oxy-bis-acrylamides on the pathway of the dimers formation. DFT and FTIR study. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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3
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Xu K, Chen W, Lin J, Chen G, Wang B, Tian X. Facile synthesis of 9H-pyrrolo[1,2-a]indoles via Brønsted acid catalyzed cascade reactions. Chem Commun (Camb) 2019; 55:14613-14616. [PMID: 31742577 DOI: 10.1039/c9cc07228d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Brønsted acid system promotes the Friedel–Crafts alkenylation/1,6-addition/condensation cascade reaction of ynones with indoles to access 9H-pyrrolo[1,2-a]indoles.
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Affiliation(s)
- Kunhua Xu
- 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
- P. R. China
| | - Wenming Chen
- Department of Pharmaceutical Production Center
- The First Affiliated Hospital of Hunan University of Chinese Medicine
- Changsha
- P. R. 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
- P. R. China
| | - Guifang 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
- P. R. 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
- P. R. 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
- P. R. China
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4
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Cheng C, Zhang J, Wang X, Miao Z. DBU-Promoted [4 + 4] Domino Cycloaddition of Ynones with Benzylidenepyrazolones To Access Eight-Membered Cyclic Ethers. J Org Chem 2018; 83:5450-5457. [DOI: 10.1021/acs.joc.8b00352] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Cheng Cheng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China
| | - Jiayong Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China
| | - Xue Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China
| | - Zhiwei Miao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China
- Collaborative
Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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5
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Ramachary DB, Prabhakar Reddy T, Suresh Kumar A. Organocatalytic umpolung annulative dimerization of ynones for the synthesis of 5-alkylidene-2-cyclopentenones. Org Biomol Chem 2018; 15:9785-9789. [PMID: 29143846 DOI: 10.1039/c7ob02424j] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A novel phosphine-catalyzed umpolung [3 + 2]-annulative dimerization of ynones was developed to furnish functionally rich 5-alkylidene-2-cyclopentenones. In this protocol, ynone acts as both C2 and C3 synthons, which undergo [3 + 2]-annulative dimerization.
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6
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Cao Z, Zhu H, Meng X, Guan J, Zhang Q, Tian L, Sun X, Chen G, You J. Metal-Free Reaction ofortho-Carbonylated Alkynyl-Substituted Arylaldehydes with Common Amines: Selective Access to Functionalized Isoindolinone and Indenamine Derivatives. Chemistry 2016; 22:16979-16985. [DOI: 10.1002/chem.201603045] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Ziping Cao
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Hongbo Zhu
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Xin Meng
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Jun Guan
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Qiang Zhang
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Laijin Tian
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Xuejun Sun
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Guang Chen
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Jinmao You
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
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7
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Liang L, Huang Y. Phosphine-Catalyzed [3 + 3]-Domino Cycloaddition of Ynones and Azomethine Imines To Construct Functionalized Hydropyridazine Derivatives. Org Lett 2016; 18:2604-7. [DOI: 10.1021/acs.orglett.6b00988] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Ling Liang
- State
Key Laboratory and Institute of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China
| | - You Huang
- State
Key Laboratory and Institute of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China
- Collabortive Innovation Center of Chemical Science and Engineering (Tianjin)Tianjin 300071, China
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8
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Liu HL, Jiang Y, Hao J, Tang XY, Shi M. A new method to access triazole-fused spiro-guanidines from the reaction of isothiocyanates tethered N-sulfonyl-1,2,3-triazoles and amines. Org Chem Front 2016. [DOI: 10.1039/c6qo00304d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The reaction of isothiocyanate tethered N-sulfonyl-1,2,3-triazoles and amines afforded asymmetrical guanidines in fair to excellent yields through a two-component tandem reaction process.
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Affiliation(s)
- Hou-Lu Liu
- Department of Chemistry
- Shanghai University
- Shanghai 200444
- China
| | - Yu Jiang
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Jian Hao
- Department of Chemistry
- Shanghai University
- Shanghai 200444
- China
| | - Xiang-Ying Tang
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Min Shi
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
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9
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Liang L, Li E, Dong X, Huang Y. DABCO-Mediated [4 + 4]-Domino Annulation: Access to Functionalized Eight-Membered Cyclic Ethers. Org Lett 2015; 17:4914-7. [DOI: 10.1021/acs.orglett.5b02498] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ling Liang
- State Key Laboratory and
Institute of Elemento-Organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 30071, China
| | - Erqing Li
- State Key Laboratory and
Institute of Elemento-Organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 30071, China
| | - Xuelin Dong
- State Key Laboratory and
Institute of Elemento-Organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 30071, China
| | - You Huang
- State Key Laboratory and
Institute of Elemento-Organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 30071, China
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