Výsledky vyhledávání - "Xian-He Zhao"

Iron(iii)-catalyzed tandem annulation of indolyl-substituted p-quinone methides with ynamides for the synthesis of cyclopenta[b]indoles

Autor: Ke-Yin Yu, Xiao-Min Ge, Yi-Jun Fan, Xiao-Tao Liu, Xue Yang, Yu-Han Yang, Xian-He Zhao, Xian-Tao An, Chun-An Fan

Publikováno v: Chemical Communications. 58:8710-8713

Indolyl-substituted p-QMs are explored in the development of iron(iii)-catalyzed tandem annulation, leading to a new method for accessing the synthetically important functionalized cyclopenta[b]indoles.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57bb848f3ffff1e2cdfeea2a7bd0abb1
https://doi.org/10.1039/d2cc03252j

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Palladium-Catalyzed Asymmetric (2+3) Annulation of p-Quinone Methides with Trimethylenemethanes: Enantioselective Synthesis of Functionalized Chiral Spirocyclopentyl p-Dienones

Autor: Jing Zhang, Hui-Bin Wang, Zhi-Long Jia, Yu-Hua Deng, Kang-Ji Gan, Xian-He Zhao, Chun-An Fan, Xian-Tao An

Publikováno v: Organic Letters. 22:4171-4175

A novel asymmetric catalytic (2+3) annulation of p-quinone methides with CN-substituted trimethylenemethane is described under palladium catalysis, providing an alternative approach for the enantio...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3589860f1b121cda0d4c5af4cd0484c5
https://doi.org/10.1021/acs.orglett.0c01252

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Synthetic studies toward melotenine A

Autor: Ji-Yuan Du, Ye-Xing Cao, Xian-Tao An, Xiao-Yan Ma, Chun-An Fan, Xian-He Zhao

Publikováno v: Tetrahedron. 75:1760-1766

Attempts to the construction of B/C ring and E ring in melotenine A are described. Based on para-dienone chemistry, a tactical application of tandem aminolysis/aza-Michael addition reaction was made to access highly functionalized building blocks wit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d45ab777e76738b6c84331997abf5e0
https://doi.org/10.1016/j.tet.2018.12.025

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Hypervalent-Iodine(III)-Mediated Tandem Oxidative Dearomatization/Aziridination of Phenolic Amines: Synthesis of Functionalized Unactivated Aziridines

Autor: Patamawadee Silalai, Ye-Xing Cao, Xian-He Zhao, Rungnapha Saeeng, Xu Bao, Chun-An Fan, Ke-Yin Yu, Chun-Fang Liu

Publikováno v: Chemistry (Weinheim an der Bergstrasse, Germany). 27(33)

A new hypervalent-iodine(III) mediated tandem reaction involving oxidative dearomatization and in situ aziridination of phenolic amines is described, providing a mild and effective method for the assembly of structurally interesting and synthetically

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2d331c12e7132ff3c590f077ab63d29
https://pubmed.ncbi.nlm.nih.gov/33844345

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Palladium-Catalyzed Asymmetric (4 + 2) Annulation of γ-Methylidene-δ-valerolactones with Alkenes: Enantioselective Synthesis of Functionalized Chiral Cyclohexyl Spirooxindoles

Autor: Lin-Han Pang, Zhi-Long Jia, Chun-Fang Liu, Le-Le Meng, Xian-He Zhao, Yu-Hua Deng, Chun-An Fan, Jia-Kun Xue, Xian-Tao An

Publikováno v: Organic letters. 23(3)

An unprecedented asymmetric catalytic (4 + 2) annulation reaction of aryl-substituted γ-methylidene-δ-valerolactones (GMDVs) with isatin-derived para-quinone methides (p-QMs) has been developed under the catalysis of palladium(0) and (S,S,S)-(-)-Xy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73f43b968eb41596998f9845a77eed07
https://pubmed.ncbi.nlm.nih.gov/33475379

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