abstract |
Preparation of 4-cyano-1,2,3-triazole compounds of formula (I), comprising reaction of an azide of formula (II) with 2-chloroacrylonitrile of formula R1-N3 (III) in a two-phase system. R1 = aromatic, heteroaromatic, aromatic-aliphatic, heteroaromatic-aliphatic, heterocyclic, cycloaliphatic, cycloaliphatic-aliphatic or aliphatic. Also claimed is the compound 4-cyano-1-(2,6-difluorobenzyl)-1H-triazole (Ia). |