Rhodium-Catalyzed [4 + 3] Annulations of Sulfoximines with α,β-Unsaturated Ketones Leading to 1,2-Benzothiazepine 1-Oxides
作者:Jian Wen、Hanchao Cheng、Gerhard Raabe、Carsten Bolm
DOI:10.1021/acs.orglett.7b03106
日期:2017.11.3
A Cp*Rh(III) complex has been used as catalyst for the preparation of unprecedented 1,2-benzothiazepine 1-oxides by [4 + 3] cyclization of NH-sulfoximines with α,β-unsaturated ketones. For a wide range of substrates with various functional groups, moderate to good product yields were obtained.
Cp * Rh(III)络合物已被用作催化剂,用于通过与α,β-不饱和酮形成的N H-亚磺酰亚胺类化合物的[4 + 3]环化反应,制备出前所未有的1,2-苯并噻氮平1-氧化物。对于具有各种官能团的多种底物,获得了中等至良好的产物收率。