A process for the preparation of a trifluoromethylphenol or the corresponding alkoxy compound which comprises contacting a halogenobenzotrifluoride of the formula ##STR1## in which X denotes halogen, R.sup.1, R.sup.2 and R.sup.3 denote hydrogen, trifluoromethyl or a substituent which promotes the replacement of X by a hydroxyl group and Y denotes hydrogen, a halogen or alkoxy, at least one of the substituents R.sup.1, R.sup.2 and R.sup.3 representing a trifluoromethyl group and at least one of them representing a substituent which promotes the replacement of the radical X by a hydroxyl group, with an excess aqueous alkali metal hydroxide in an alcoholic solution in the presence of a quaternary onium salt.
一种制备三
氟甲基
酚或相应的烷氧基化合物的方法,包括将具有以下结构的卤代苯三
氟化物与过量的
水性碱
金属氢氧化物在醇溶液中,在季
铵盐的存在下接触:其中X代表卤素,R.sup.1、R.sup.2和R.sup.3代表氢、三
氟甲基或促进X被羟基取代的取代基,Y代表氢、卤素或烷氧基,R.sup.1、R.sup.2和R.sup.3中至少有一个代表三
氟甲基基团,至少有一个代表促进基团X被羟基取代的取代基。