Journal ArticleOPEN ACCESS

Polyphosphate Ester as a Synthetic Agent. XIII. Syntheses of 2-Substituted Benzoxazoles and Benzthiazoles with PPE

Chemical and Pharmaceutical Bulletin (1970) 18(3) 587-590
DOI: 10.1248/cpb.18.587
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Abstract

Polyphosphate ester (PPE) was demonstrated to be a good agent in the benzazole synthesis. Benzoxazoles and benzthiazoles were prepared from o-substituted anilines and free carboxylic acids under mild conditions. Mechanisms for this reaction were briefly discussed. © 1970, The Pharmaceutical Society of Japan. All rights reserved.

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Kanaoka, Y., Hamada, T., & Yonemitsu, O. (1970). Polyphosphate Ester as a Synthetic Agent. XIII. Syntheses of 2-Substituted Benzoxazoles and Benzthiazoles with PPE. Chemical and Pharmaceutical Bulletin, 18(3), 587–590. https://doi.org/10.1248/cpb.18.587

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