A Highly Stereocontrolled Intramolecular Cycloaddition Reaction of Azomethine Ylide Activated by a Pyrimidine Ring: Access to Novel Tricyclic Hexahydro-1H-pyrrolo[2′,3′:4,5]pyrido[2,3-d]pyrimidines
作者:Qun Dang、Xu Bai、Hongxiang Xie、Jinbao Xiang
DOI:10.1055/s-0031-1290333
日期:2012.3
formation of an azomethineylide undergoing intramolecularcycloaddition reactions. This method enabled efficient synthesis of a novel tricyclic pyrimidine-piperidine-pyrrolidine scaffold from various pyrimidinemethyl amines and aldehydes in complete stereocontrol and could be rationalized by an S-shaped azomethineylide intermediate. azomethineylide - intramolecularcycloaddition - 1,3-dipolar cycloaddition