Synlett 2004(3): 561-563  
DOI: 10.1055/s-2004-815428
LETTER
© Georg Thieme Verlag Stuttgart · New York

Regio- and Stereoselective Dimerization of Terminal Alkynes to Enynes in InCl3-NaBH4-MeCN System

Chun-Yan Wang, Hua Su, De-Yu Yang*
Department of Chemistry, Xixi Campus, Zhejiang University, Hangzhou 310028, P. R. China
Fax: +86(571)88212853; e-Mail: deyu18@hotmail.com;
Further Information

Publication History

Received 5 September 2003
Publication Date:
26 January 2004 (online)

Abstract

A novel method to prepare (E)-enynes is described in this paper. The InCl3-NaBH4-MeCN system showed high regio- and stereoselectivity for the dimerization of terminal alkynes to enynes.