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Short Paper | Regular issue | Vol 83, No. 1, 2011, pp.153-161
Published online, 26th November, 2010
DOI: 10.3987/COM-10-12090
A Convenient Method for Synthesis of 5-Chloro-2-aryloxazole-4-carbaldehyde with Vilsmeier Reagent

Can Jin, Jun Chen, and Weike Su*

*Key Laboratory of Pharmaceutical Engineering of Ministry of Educations, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China

Abstract

A convenient method for synthesis of 5-chloro-2-aryloxazole-4-carbaldehyde 3 in moderate to good yields had been developed via the Vilsmeier reaction of readily available N-arylglycine 2 at 100 oC, provided a novel route for the construction of nitrogen heterocycles. A series of these compounds were synthesized by this method and optimization of conditions was performed.