Direct organocatalytic synthesis of enantiopure succinimides from β-lactam aldehydes through ring expansion promoted by azolium salt precatalysts
作者:Benito Alcaide、Pedro Almendros、Gema Cabrero、M. Pilar Ruiz
DOI:10.1039/b711473g
日期:——
A single-step catalytic ring expansion approach from 4-oxoazetidine-2-carbaldehydes to enantiopure succinimides has been achieved by the use of a base (DBU) and a thiazolium salt precatalyst.
通过使用碱(DBU)和噻唑盐预催化剂,实现了从4-氧代氮杂环丁烷-2-甲醛到对映纯琥珀酰亚胺的单步催化环扩张方法。