| 摘要 |
A process for the preparation of a substituted fluorobenzene of the formula <IMAGE> in which R is alkyl, alkoxy, halogen, amino, acylamido, carboxyl, benzyloxy, aryloxy, or benzyloxy or aryloxy carrying at least one alkyl, alkoxy, halogen or halogenoalkyl substituent, R1 each independently is alkyl or halogen, and n is an integer from 0 to 4, comprising reacting an N-aryl-N',N'-dialkyl-triazene of the formula <IMAGE> in which Alkyl is alkyl with 1 to 4 carbon atoms, with about a 5 to 25-fold molar excess of anhydrous hydrofluoric acid at a temperature between about -20 DEG and +150 DEG C. |
