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Regioselective synthesis of spirocyclic pyrrolines via a palladium-catalyzed Narasaka–Heck/C–H activation/[4 + 2] annulation cascade reaction

Autor: Wan-Xu Wei, Xiangtao Kong, Rui-Qiang Jiao, Xue-Song Li, Cui-Tian Wang, Yuke Li, Yong-Min Liang

Publikováno v: Chemical Science. 13:6348-6354

Readily available 2-chlorobenzoic acid or ethyl phenylpropiolate as the C2 insertion unit. High regioselectivity. Broad substrate scope. Mechanistic studies.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a422f7677df46851a44a790e468e26c
https://doi.org/10.1039/d2sc01887j

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Experimental and Computational Studies of Palladium-Catalyzed Spirocyclization via a Narasaka–Heck/C(sp3 or sp2)–H Activation Cascade Reaction

Autor: Cui-Tian Wang, Ya-Ting Wen, Ming Li, Bo-Sheng Zhang, Rui-Qiang Jiao, Xue-Song Li, Yu Xia, Wan-Xu Wei, Yuke Li, Hong-Chao Liu, Yong-Min Liang

Publikováno v: Journal of the American Chemical Society. 143:7868-7875

The first synthesis of highly strained spirocyclobutane-pyrrolines via a palladium-catalyzed tandem Narasaka-Heck/C(sp3 or sp2)-H activation reaction is reported here. The key step in this transformation is the activation of a δ-C-H bond via an in s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6b5105cb7e9f8c0a923dc43ac301d3df
https://doi.org/10.1021/jacs.1c04114

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Copper-Catalyzed Radical Aryl Migration Approach for the Preparation of Cyanoalkylsulfonylated Oxindoles/Cyanoalkyl Amides

Autor: Zhe Zhang, Wan-Xu Wei, Qiao-Fei Bao, Ming Li, Jin-Lin Wang, Yu-Zhao Wang, Yong-Min Liang, Cui-Tian Wang, Yi-Feng Qiu, Xue-Song Li

Publikováno v: Organic Letters. 23:751-756

A copper-catalyzed radical cross-coupling of oxime esters and activated alkenes is accomplished for the synthesis of cyanoalkylsulfonylated oxindoles and cyanoalkyl amides via an aryl migration strategy. Specifically, the subsequent mechanism researc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9591b1802fb29e17d07bc46be5cbfa5
https://doi.org/10.1021/acs.orglett.0c03973

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Alkylation-Terminated Catellani Reactions by Cyclobutanol C–C Cleavage

Autor: Ya-Ting Wen, Ming Li, Cui-Tian Wang, Rui-Qiang Jiao, Wan-Xu Wei, Ya-Nan Ding, Zhe Zhang, Xue-Ya Gou, Yong-Min Liang

Publikováno v: Organic Letters. 23:786-791

This report describes the first application of a cyclobutanol ring-opening procedure in the Catellani termination reaction, which includes two β-carbon elimination processes. This tandem reaction features mild conditions, high yields, good functiona

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38981fdbdf894732d83ebf00fd0ae595
https://doi.org/10.1021/acs.orglett.0c04018

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Visible-Light-Induced Pd-Catalyzed Radical Strategy for Constructing C-Vinyl Glycosides

Autor: Ming Li, Yu-Zhao Wang, Wei-Yu Shi, Wan-Xu Wei, Cui-Tian Wang, Ya-Nan Ding, Qiao-Fei Bao, Xue-Song Li, Yi-Feng Qiu, Yong-Min Liang

Publikováno v: Organic Letters. 22:6288-6293

A novel visible-light-induced palladium-catalyzed Heck reaction for bromine sugars and aryl olefins with high regio- and stereochemistry selectivity for the preparation of C-glycosyl styrene is des...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2ba1f335a7b3c0739c056e97f6c2a59
https://doi.org/10.1021/acs.orglett.0c02053

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Lewis-Acid-Catalyzed Tandem Cyclization by Ring Expansion of Tertiary Cycloalkanols with Propargyl Alcohols

Autor: Yuke Li, Zhi-Jie Niu, Xiangtao Kong, Hong-Chao Liu, Xue-Song Li, Yong-Min Liang, Cui-Tian Wang, Zhe Zhang, Wan-Xu Wei

Publikováno v: Organic letters. 23(24)

A new method for the efficient synthesis of hexahydro-1H-fluorene and octahydrobenzo[a]azulene derivatives through a ring-expansion strategy is reported. With an appropriate combination of thulium(III) trifluoromethanesulfonate and 13X molecular siev

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40d833648a47d8962dd860bbf6c78697
https://pubmed.ncbi.nlm.nih.gov/34859669

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Silver Trifluoromethanesulfonate-Catalyzed Annulation of Propargylic Alcohols with 3-Methyleneisoindolin-1-one

Autor: Xue-Song Li, Ming Li, Dan-tong Xu, Ya-Ping Han, Yong-Min Liang, Wan-Xu Wei

Publikováno v: The Journal of Organic Chemistry. 85:2626-2634

A silver-catalyzed formal [3 + 3] annulation of 3-methyleneisoindolin-1-one with alkynol for the synthesis of 1,5-dihydroindolizin-3(2H)-one derivatives is disclosed. The protocol allows practical synthesis of N-heterocyclic scaffolds with a broad sc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70dd409332ec1ff319a33be8ec2d5564
https://doi.org/10.1021/acs.joc.9b02533

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