Ytterbium Triflate: A Highly Active Catalyst for Addition of Amines to Carbodiimides to<i>N</i>,<i>N</i>′,<i>N</i>′′-Trisubstituted Guanidines
作者:Xuehua Zhu、Zhu Du、Fan Xu、Qi Shen
DOI:10.1021/jo900903t
日期:2009.8.21
Ytterbium triflate was found to be efficient catalyst for addition of amines to carbodiimides to N,N′,N′′-trisubstitutedguanidines with a wide scope of amines under solvent-free condition.