Process for the manufacture of 2-aryl-v-triazole

Details Process for the manufacture of 2-aryl-v-triazole Process for the manufacture of 2-aryl-v-triazole

1973-03-02

1976-06-22

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260288CE, 260296R, 260308A, 2603432R, C07D24906, C07D40504

Patent

active

039650944

ABSTRACT:
2-Aryl-v-triazoles are obtained by reacting .alpha.-oximinoaryl-hydrazones of the formula ##EQU1## IN WHICH Ar represents an aromatic-carbocyclic or aromatic-heterocyclic radical, R.sub.1 denotes alkyl, aryl or nitro, R.sub.2 denotes hydrogen, alkyl or aryl and n denotes the numbers 1 or 2 with at least 2 equivalents of an isocyanate or carbamic acid halide or with at least 1 equivalent of a pyrocarbonic acid ester.

REFERENCES:
patent: 3666758 (1972-05-01), Dorlars et al.
Wagner et al., Synthetic Organic Chemistry, (New York, 1953), pp. 645-647.

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