Conjugated carbodiimides: Preparation and thermal cyclization to 2-aminopyridine derivatives
作者:Pedro Molina、Pilar M. Fresneda、Pascual Alarcón
DOI:10.1016/s0040-4039(00)80101-x
日期:1988.1
The aza-Wittig reaction of iminophosphorane () with isocyanates leads to conjugated carbodiimides which undergo electrocyclic ring-closure to give 2-aminopyridine derivatives.
亚氨基磷烷()与异氰酸酯的aza-Wittig反应可导致共轭碳二亚胺发生共环闭环,从而生成2-氨基吡啶衍生物。