<i>N</i>-Heterocyclic Carbene Catalyzed Domino Cyclization of Propargylic Alcohols and Benzoyl Isocyanates
作者:Kyoung A Jo、Muchchintala Maheswara、Eunyoung Yoon、Yun Yeong Lee、Hoseop Yun、Eun Joo Kang
DOI:10.1021/jo202102y
日期:2012.3.16
N-Hetereocyclic carbenes (NHCs) were found to be efficient catalysts for the cyclization of propargylic alcohols and isocyanates. Domino cyclization reactions were carried out using isopropyl-substituted imidazolium salt as a precatalyst, and a wide range of substituted oxazolidinones were obtained in high yields.
发现N-杂环卡宾(NHC)是用于炔丙醇和异氰酸酯环化的有效催化剂。使用异丙基取代的咪唑鎓盐作为预催化剂进行多米诺环化反应,并以高收率获得了范围广泛的取代的恶唑烷酮。