The Cycloaddition of Isocyanates and Carbodiimides to Oxiranes Catalyzed by Organotin Iodide-Lewis Base Complexes
作者:Akio Baba、Ikuya Shibata、Kazuhiro Masuda、Haruo Matsuda
DOI:10.1055/s-1985-31455
日期:——
Various types of five-membered heterocyclic compounds such as 2-iminodioxolanes, 2-oxazolidinones, and 2-iminooxazolidines, can be obtained from the cycloaddition of oxiranes with isocyanates or carbodiimides catalyzed by organotin iodide-Lewis base complexes under very mild conditions (40°C, 2h).
在非常温和的条件下(40°C,2 小时),在有机锡碘化物-刘易斯碱络合物的催化下,环氧乙烷与异氰酸酯或碳二亚胺发生环加成反应,可以得到各种类型的五元杂环化合物,如 2-亚氨基二氧戊环、2-噁唑烷酮和 2-亚氨基噁唑烷。