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Paper | Regular issue | Vol 32, No. 5, 1991, pp.1013-1016
Published online, 1st January, 1970■ Effective Synthesis of 7-Benzylidenefuro[3,4-b]pyridin-5-one
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5722
■ Effective Synthesis of 7-Benzylidenefuro[3,4-b]pyridin-5-one
Nagatoshi Nishiwaki, Mitsuo Komatsu, and Yoshiki Ohshiro*
*Department of Applied Chemistry, Faculty of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565, Japan
Abstract
The title compound (5) was synthesized by silica gel assisted cyclization of 2-phenylethynylpyridine-3-carboxylic acid (3). Its was also synthesized from 3-cyano-2-phenylethynylpyridine (6) in good yield by basic cyclization and dehydration processes.
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