Synlett 2010(12): 1870-1872  
DOI: 10.1055/s-0030-1258122
LETTER
© Georg Thieme Verlag Stuttgart ˙ New York

Highly Selective Semihydrogenation of Phenylalkynes to (Z)-Styrenes Using Hantzsch Ester 1,4-Dihydropyridine Catalyzed by Pd/C

Yankai Zhao, Qiang Liu*, Jing Li, Zhongquan Liu, Bo Zhou
State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou 730000, P. R. of China
Fax: +86(931)8625657; e-Mail: liuqiang@lzu.edu.cn;
Further Information

Publication History

Received 1 March 2010
Publication Date:
30 June 2010 (online)

Abstract

Various alkynes have been selectively reduced to the corresponding Z-alkenes catalyzed by Pd/C using Hantzsch ester 1,4-dihydropyridine as the hydrogen source.

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For details see the Supporting Information.