1
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Lin CY, Huang WW, Huang YT, Dhole S, Barve IJ, Sun CM. Rh(III)-Catalyzed Switchable [4 + 1] and [4 + 2] Annulation of N-Aryl Pyrazolones with Maleimides: An Access to Spiro Pyrazolo[1,2- a]indazole-pyrrolidine and Fused Pyrazolopyrrolo Cinnolines. J Org Chem 2023; 88:3424-3435. [PMID: 36864685 DOI: 10.1021/acs.joc.2c02338] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
A rhodium(III)-catalyzed controllable [4 + 1] and [4 + 2] annulation of N-aryl pyrazolones with maleimides as C1 and C2 synthon has been explored for the synthesis of spiro[pyrazolo[1,2-a]indazole-pyrrolidines] and fused pyrazolopyrrolo cinnolines. The product selectivity was achieved through time-dependent annulation. The [4 + 1] annulation reaction involves sequential Rh(III)-catalyzed C-H alkenylation of N-aryl pyrazolone, followed by an intramolecular spirocyclization via aza-Michael-type addition to afford spiro[pyrazolo[1,2-a]indazole-pyrrolidine]. However, prolonged reaction time converts in situ formed spiro[pyrazolo[1,2-a]indazole-pyrrolidine] into fused pyrazolopyrrolocinnoline. This unique product formation switch proceeds via strain-driven ring expansion through a 1,2-shift of the C-C bond.
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Affiliation(s)
- Chih-Yu Lin
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC
| | - Wan-Wen Huang
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC
| | - Ying-Ti Huang
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC
| | - Sandip Dhole
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC
| | - Indrajeet J Barve
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC.,Department of Chemistry, MES Abasaheb Garware College, Pune 411004, Maharashtra, India
| | - Chung-Ming Sun
- Department of Applied Chemistry, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan, ROC.,Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung 807-08, Taiwan, ROC
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2
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Yang M, Liu N, Zhang Z, She YB, Yang YF. Ni-Catalyzed Ligand-Controlled Selective 5-Exo and 6-Endo Cyclization/Cross-Couplings Involving an Unusual 1,2-Aryl Migration. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05466] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Miao Yang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Ning Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Zhanhao Zhang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Yuan-Bin She
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Yun-Fang Yang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
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3
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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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4
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Lin C, Huang W, Huang Y, Dhole S, Sun C. Rhodium‐Catalyzed [4+2] Annulation of N‐Aryl Pyrazolones with Diazo Compounds To Access Pyrazolone‐Fused Cinnolines. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Chih‐Yu Lin
- Department of Applied Chemistry National Chiao-Tung University 1001 Ta-Hseuh Road Hsinchu 300-10, ROC Taiwan
| | - Wan‐Wen Huang
- Department of Applied Chemistry National Chiao-Tung University 1001 Ta-Hseuh Road Hsinchu 300-10, ROC Taiwan
| | - Ying‐Ti Huang
- Department of Applied Chemistry National Chiao-Tung University 1001 Ta-Hseuh Road Hsinchu 300-10, ROC Taiwan
| | - Sandip Dhole
- Amar Chemistry Pvt. Ltd. G1 A, Ackruti Corporate Park Mumbai 400078 India
| | - Chung‐Ming Sun
- Department of Applied Chemistry National Chiao-Tung University 1001 Ta-Hseuh Road Hsinchu 300-10, ROC Taiwan
- Department of Medicinal and Applied Chemistry Kaohsiung Medical University Kaohsiung 807-08, ROC Taiwan
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5
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Highly efficient synthesis of 1,2-disubstituted acetylenes derivatives from the cross-coupling reactions of 1-bromoalkynes with organotitanium reagents. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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6
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Yuan Y, Li LS, Zhang L, Wang F, Jiang L, Zuo L, Wang Q, Hu JG, Lei A. Electrochemical synthesis of versatile ammonium oxides under metal catalyst-, exogenous-oxidant-, and exogenous-electrolyte-free conditions. Chem Commun (Camb) 2021; 57:2768-2771. [PMID: 33596296 DOI: 10.1039/d1cc00486g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An electrochemical oxidative cross-coupling reaction between 2.5-substituted-pyrazolin-5-ones and ammonium thiocyanate has been developed, which resulted in a series of unprecedented cross-coupling products under metal catalyst-, exogenous-oxidant-, and exogenous-electrolyte-free conditions. It is worth noting that since the resulting cross-coupling products are nearly insoluble in MeCN, the pure product could be afforded without silica gel column purification. In addition, the prepared ammonium oxides are versatile building blocks for synthesizing functionalized pyrazole derivatives.
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Affiliation(s)
- Yong Yuan
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China. and Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Liang-Sen Li
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Lin Zhang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Feng Wang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Lin Jiang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Lin Zuo
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Qi Wang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Jian-Guo Hu
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Aiwen Lei
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China. and College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University, Wuhan 430072, P. R. China
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7
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Gogoi K, Bora BR, Borah G, Sarma B, Gogoi S. Synthesis of quaternary carbon-centered indolo[1,2- a]quinazolinones and indazolo[1,2- a]indazolones via C-H functionalization. Chem Commun (Camb) 2021; 57:1388-1391. [PMID: 33438711 DOI: 10.1039/d0cc07419e] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An unprecedented Ru(ii)-catalyzed Csp2-H bond activation and annulation reaction of phenylindazolones with diaryl-substituted alkynes and dialkyl-substituted alkynes provided efficient routes for the construction of all-carbon quaternary-centered indolo[1,2-a]quinazolinones and quaternary carbon-centered indazolo[1,2-a]indazolones, respectively. The indolo[1,2-a]quinazolinones were fomed via Csp2-H activation, alkyne insertion and a 1,2-phenyl shift. Indazolo[1,2-a]indazolones were formed through a cascade reaction via the formation of exocyclic double bonds containing indolo[1,2-a]quinazolinones.
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Affiliation(s)
- Kongkona Gogoi
- Applied Organic Chemistry, Chemical Sciences & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, AcSIR, Ghaziabad-201002, India
| | - Bidisha R Bora
- Applied Organic Chemistry, Chemical Sciences & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, AcSIR, Ghaziabad-201002, India
| | - Geetika Borah
- Department of Chemistry, Dibrugarh University, Dibrugarh-786004, India
| | - Bipul Sarma
- Department of Chemical Sciences, Tezpur University, Tezpur-784028, India.
| | - Sanjib Gogoi
- Applied Organic Chemistry, Chemical Sciences & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, AcSIR, Ghaziabad-201002, India
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8
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Borthakur S, Sarma B, Gogoi S. Ruthenium(II)-Catalyzed Oxidative Double C–H Activation and Annulation Reaction: Synthesis of Indolo[2,1-a]isoquinolines. Org Lett 2019; 21:7878-7882. [DOI: 10.1021/acs.orglett.9b02871] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Somadrita Borthakur
- Applied Organic Chemistry, Chemical Sciences & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, AcSIR, India
| | - Bipul Sarma
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, India
| | - Sanjib Gogoi
- Applied Organic Chemistry, Chemical Sciences & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, AcSIR, India
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9
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Borthakur S, Baruah S, Sarma B, Gogoi S. Pd(II)-Catalyzed Synthesis of Alkylidene Phthalides via a Decarbonylative Annulation Reaction. Org Lett 2019; 21:2768-2771. [DOI: 10.1021/acs.orglett.9b00726] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Somadrita Borthakur
- Applied Organic Chemistry, Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, AcSIR, India
| | - Swagata Baruah
- Applied Organic Chemistry, Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, AcSIR, India
| | - Bipul Sarma
- Department of Chemical Sciences, Tezpur University, Tezpur 784028, India
| | - Sanjib Gogoi
- Applied Organic Chemistry, Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, AcSIR, India
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10
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Liu M, Liu CF, Zhang J, Xu YJ, Dong L. Metal-free tandem reaction synthesis of spiro-cyclopropyl fused pyrazolin-5-one derivatives. Org Chem Front 2019. [DOI: 10.1039/c8qo01378k] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A highly efficient cascade annulation approach was developed for the synthesis of novel spiro-cyclopropyl fused pyrazolin-5-ones from pyrazole-3-ketone substrates and two-component sulfur ylides in an acidic environment.
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Affiliation(s)
- Man Liu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Chen-Fei Liu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Jing Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Yan-Jun Xu
- College of Chemistry and Material Science
- Sichuan Normal University
- Chengdu
- China
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
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11
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Sun JS, Wang YY, Liu M, Zhang J, Liu CF, Xu YJ, Dong L. Construction of pyrazolone analogues via rhodium-catalyzed C–H activation from pyrazolones and non-activated free allyl alcohols. Org Chem Front 2019. [DOI: 10.1039/c9qo00504h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly efficient rhodium(iii) catalysis was developed for obtaining structurally divergent pyrazolone analogues from pyrazolones and non-activated free allyl alcohols.
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Affiliation(s)
- Jun-Shu Sun
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Ying-Ying Wang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Man Liu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Jing Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Chen-Fei Liu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Yan-Jun Xu
- College of Chemistry and Material Science
- Sichuan Normal University
- Chengdu
- China
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
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12
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Liu CF, Liu M, Dong L. Iridium(III)-Catalyzed Tandem Annulation Synthesis of Pyrazolo[1,2-α]cinnolines from Pyrazolones and Sulfoxonium Ylides. J Org Chem 2018; 84:409-416. [PMID: 30521336 DOI: 10.1021/acs.joc.8b02582] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Chen-Fei Liu
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Man Liu
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Lin Dong
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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