发明申请
US20050222455A1 Method for producing 3-hydroxy-2-methylbenzoic acid 审中-公开
3-羟基-2-甲基苯甲酸的制备方法

Method for producing 3-hydroxy-2-methylbenzoic acid
摘要:
The invention relates to a method for producing 3-hydroxy-2-methylbenzoic acid or solutions containing salts of 3-hydroxy-2-methylbenzoic acid, with naphthalene as the starting substance. Said method essentially comprises the following steps: sulfonation, reaction with alkalis at high temperatures and the expedient preparation of the resultant reaction mixture.
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