A. Eleev, A. Kutkin, M. Zhidkov
Feb 23, 2015
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Abstract
Synthesized according to the method developed by us earlier pyrazolo[3,4-d] [1,3]oxazine involved in the reaction with various primary and secondary amines to form amides of 5(fluorobenzoylamino)-1-phenyl-1H-pyrazole-4-carboxylic acid. Synthesized previously benzamides of pyrazole-4-carboxylic acid was subjected to high temperature cyclization with the formation of substituted 5-aryl-6-aryl-1-phenyl-1,5-dihydropyrazolo-[3,4-d]pyrimidine-4-ones.