Synthesis 2004(5): 671-674  
DOI: 10.1055/s-2004-815982
PAPER
© Georg Thieme Verlag Stuttgart · New York

Alkaline Protease from Bacillus subtilis Catalyzed Michael Addition of Pyrimidine Derivatives to α,β-Ethylenic Compounds in Organic Media

Ying Cai, Xiao-Feng Sun, Na Wang, Xian-Fu Lin*
Department of Chemistry, Zhejiang University, Hangzhou, 310027, P. R. China
Fax: +86(0571)87952618; e-Mail: llc123@css.zju.edu.cn;
Further Information

Publication History

Received 17 November 2003
Publication Date:
19 February 2004 (online)

Abstract

Michael addition reactions of pyrimidine derivatives to α,β-ethylenic compounds were catalyzed by an alkaline protease from Bacillus subtilis in DMSO at 50 ºC. The structure of adducts were determined by IR, NMR and MS. The yields were from 20% to 84%.