Synthesis of 1-vinyl-4-pyrazolecarboxylic acids

AO Baltayan, AA Saakyan, OS Attaryan…

Index: Baltayan; Saakyan; Attaryan; Asratyan Russian Journal of General Chemistry, 2010 , vol. 80, # 5 p. 1004 - 1006

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Abstract

Abstract A convenient oxidation method of 1-(2-chloroethyl)-4-formylpyrazoles followed by dehydrochlorination was developed for preparation of 1-vinyl-4-pyrazolecarboxylic acids. Dehydrochlorination rate was established to decrease with the growing number of electron- donor substituents.