2-Chloroacrylonitrile → 4-Cyano-1-(4-cyanobenzyl)-1H-1,2,3-triazole

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

A mixture of 4-cyanobenzyl azide (0.8 g) and 2-chloroacrylonitrile (0.88 g) in water (5 ml) is stirred at about 80° C. for 20 hours. Excess 2-chloroacrylonitrile is distilled off in vacuo, the mixture is cooled to room temperature and the precipitated product is isolated by filtration and washed with water. The product (yield 0.92 g; 88% of theory) of m.p. 93.5-94° C. (recrystallization from ethyl acetate/toluene) is obtained after drying.

Herkunft & Nachweise