S. Kemskii, A. V. Bol’but, V. V. Pirozhenko
Dec 17, 2014
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Influential Citations
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Journal
Russian Journal of Organic Chemistry
Abstract
Products of intramolecular cyclocondensation of 5-amino-N-(2,2-dimethoxyethyl)pyrazolo-4-carboxamides, 7-hydroxy-5,6,7,8-tetrahydro-1H-pyrazolo[3,4-e][1,4]diazepin-4-ones, react with potassium cyanide in water affording 4-oxo-5,6,7,8-tetrahydro-1H-pyrazolo[3,4-e][1,4]diazepine-7-carbonitriles, which under the conditions of alkaline hydrolysis are converted into the corresponding carboxamides and carboxylic acids.