New oxazole to oxazole recyclization

Oleh V. Shablykin,Danylo O. Merzhyievskyi,Volodymyr S. Brovarets,Svitlana V. Shishkina

CHEMISTRY OF HETEROCYCLIC COMPOUNDS（2023）

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摘要

(4-Cyanooxazol-5-ylamino)acetates and (4-cyanooxazol-5-ylamino)acetamides after treatment with trifluoroacetic acid undergo recyclization to the mixture of corresponding 5-aminooxazoles, 5-trifluoroacetylaminooxazoles, and oxazolopyrimidinones. The structures have been confirmed for certain products which have been isolated in pure form.

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关键词

5-aminooxazole-4-carbonitrile,5-aminooxazole-4-carboxamide,oxazolo[5,4-d]pyrimidin-7(6H)-one,trifluoroacetic acid,recyclization

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