Zn(OTf)2-catalyzed addition of amines to carbodiimides: efficient synthesis of guanidines and unpredicted formation of Zn–N amido species
作者:Dongzhen Li、Jie Guang、Wen-Xiong Zhang、Yang Wang、Zhenfeng Xi
DOI:10.1039/b923249b
日期:——
Zn(OTf)2 acts as an excellent catalyst precursor for addition of various amine NâH bonds to carbodiimides under an atmosphere of air, offering a convenient synthesis of substituted guanidines with high functional-group tolerance. A ZnâN amido species is shown to act as the active species.