Synthesis 2006(5): 771-774  
DOI: 10.1055/s-2006-926317
PAPER
© Georg Thieme Verlag Stuttgart · New York

Selective Reduction of the Endocyclic Double Bond of 3-Substituted Coumarins­ by Hantzsch 1,4-Dihydropyridine

Zhengang Liu, Qiang Liu, Wei Zhang, Ruizhu Mu, Li Yang*, Zhong-Li Liu, Wei Yu*
National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, P. R. of China
Fax: +86(931)8625657; e-Mail: yuwei@lzu.edu.cn;
Further Information

Publication History

Received 11 July 2005
Publication Date:
07 February 2006 (online)

Abstract

Hantzsch 1,4-dihydropyridine is a valuable reagent to effect the chemoselective reduction of the 3,4-double bond of 3-substituted coumarins.