申请人:Hoechst AG
公开号:US05744021A1
公开(公告)日:1998-04-28
The invention relates to 2-alkylmercapto-4-(trifluoromethyl)benzoic esters of the formula (II), in which R.sup.1 and R.sup.2 are, independently of each other, (C.sub.1 -C.sub.6) alkyl, and a process for their preparation, which comprises reacting 3,4-dichlorobenzotrifluoride electrochemically at an anode with CO.sub.2 to give 2-chloro-4-(trifluoromethyl)-benzoate, converting it into the corresponding benzoic ester of the formula (I), and then reacting it with an alkylmercaptide R.sup.2 S.sup.e. ##STR1##
本发明涉及公式(II)的2-烷基硫醇基-4-(三氟甲基)苯甲酸酯,其中R.sup.1和R.sup.2独立地是(C.sub.1-C.sub.6)烷基,以及它们的制备方法,包括在阳极上电化学反应3,4-二氯苯三氟化物和CO.sub.2以得到2-氯-4-(三氟甲基)苯甲酸酯,将其转化为公式(I)的相应苯甲酸酯,然后用烷基硫醇R.sup.2S.sup.e反应。##STR1##