PROCEDIMIENTO PARA LA PREPARACION DE 1-ALQUIL-3-HIDROXI-5- CLORO-1,2-4-TRIAZOLES.

摘要

Process for the production of 1-alkyl-3-hydroxy-5-chloro-1,2,4-triazoles wherein an alkylhydrazine is reacted in an inert solvent in the presence of an acid binding agent with cyanogen chloride to 1-alkyl-1-cyanohydrazine which is subsequently cyclized with phosgene.