| 摘要 |
1282943 Production of 2,4,5-trichlorobenzoic acid BADISCHE ANILIN- & SODA-FABRIK AG 5 Dec 1969 [6 Dec 1968] 59424/69 Heading C2C 2,4,5-Trichorobenzoic acid is prepared by heating one of the isomers of 3,4,5,6-tetrachlorocyclohexadiene-1,2-dicarboxylic acid or a mixture thereof to a temperature of from 30‹ to 300‹ C. in an aqueous medium or in an organic solvent in the presence or absence of a basic regent, or in an organic solvent in the presence of a basic reagent. |
