Tandem multi-step synthesis of C-carboxyazlactones promoted by N-heterocyclic carbenes
作者:Craig D. Campbell、Nicolas Duguet、Katherine A. Gallagher、Jennifer E. Thomson、Anita G. Lindsay、AnnMarie C. O’Donoghue、Andrew D. Smith
DOI:10.1039/b806816j
日期:——
Cascade reaction sequences incorporating N-heterocyclic carbene-based organocatalysis have been developed that allow the direct preparation of a range of (±)-4-phenoxycarbonylazlactones in good isolated yields (66–84%) from the corresponding N-p-anisoyl amino acids.