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J Org Chem. 2009 Aug 21;74(16):6347-9. doi: 10.1021/jo900903t.

Ytterbium triflate: a highly active catalyst for addition of amines to carbodiimides to N,N',N''-trisubstituted guanidines.

The Journal of organic chemistry

Xuehua Zhu, Zhu Du, Fan Xu, Qi Shen

Affiliations

  1. 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.

PMID: 19621891 DOI: 10.1021/jo900903t

Abstract

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.

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