prov:value
| - In accordance with a further process of the present invention, the 5-(N-3,4,5,6-tetrahydrophthalimido)benzoic acid thiol esters of formula I according to claim 1 are obtained by reacting a 5-(N-3,4,5,6-tetrahydrophthalimido)benzoyl halide of formula V ##STR27## wherein n, R1, R2 and R3 are as defined for formula I and Hal is a halogen atom, preferably chlorine or bromine, with a reactive compound
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