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Abstract

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Paper | Regular issue | Vol 32, No. 5, 1991, pp. 1013 - 1016
Published online:
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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