Enantioselective Synthesis of Spirosilabicyclohexenes by Asymmetric Dual Ring Expansion of Spirosilabicyclobutane with Alkynes
作者:Hua Chen、Ju Peng、Qinjiao Pang、Huimin Du、Liying Huang、Lu Gao、Yu Lan、Cheng Yang、Zhenlei Song
DOI:10.1002/anie.202212889
日期:2022.11.25
Spirosilabicyclobutanes undergo asymmetric dual ring expansion with alkynes to provide homo- or hetero-disubstituted spirosilabicyclohexenes, possessing axially chiral 6/6-silaspirane framework, in good yields with high enantioselectivity.