Hoechst Aktiengesellschaft

Hoechst Aktiengesllschaft

Thomas Karcher

Klaus Kuhlein

Hans Millauer

Manfred Wildt

Peter Brungs

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##

2-alkylmercapto-4-(trifluoromethyl)benzoic esters and a process for

The invention relates to a process for the electrosynthesis of an aldehyde of the formula (I)

Process for the electrosynthesis of aldehydes

A method for preparing 3-alkyl-2,6-dichloroacylanilides by electrolytic debromination of 3-alkyl-4-bromo-2,6-dichloroacylanilides. A method for preparing a 3-alkyl-2,6-dichloroacylanilide of the formula I ##STR1## in which R.sup.1, R.sup.2 are, independently of one another, (C.sub.1 -C.sub.4)-alkyl, by bromoalkylacylanilides of the formula II ##STR2## in which R.sup.1, R.sup.2 have the above-specified meaning, being electrolytically debrominated.

Growing community of inventors

Hofheim, Germany

Thomas Karcher