Process for the synthesis of 4-amino-1,2,4- (4h)triazole...

Details Process for the synthesis of 4-amino-1,2,4- (4h)triazole... Process for the synthesis of 4-amino-1,2,4- (4h)triazole...

C - Chemistry, Metallurgy

07

D

260/313, 260/304

C07D 249/08 (2006.01) C07D 403/00 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1280758

Abstract of the Disclosure A process for preparing a 4-amino-1,2,4-(4H)triazole derivative compositions having the formula Image wherein R is hydrogen or an alkyl group containing from 1 to about 10 carbon atoms, which alkyl group can be additionally substituted by one or more aryl, heteroaryl, hydroxy, or alkenyl substituents, comprising the step of reacting hydrazine or an aqueous hydrazine solution with a carboxylic acid having the formula RCO2H in the presence of an insoluble polymer containing acidic functional groups sufficiently strong to cause the reaction to proceed under mild conditions to produce a product of high yield and purity.

551227

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