Ytterbium triflate: a highly active catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines.
Ytterbium triflate was found to be efficient catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines with a wide scope of amines under solvent-free condition.
Zhu
Xuehua
X
Key Laboratory of Organic Synthesis of Jiangsu Province, Department of Chemistry and Chemical Engineering, Dushu Lake Campus, Suzhou University, Suzhou 215123, People's Republic of China.
Du
Zhu
Z
Xu
Fan
F
Shen
Qi
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