2-Mercaptobenzoic Acid → 2-[2-(4-Sulfamoylphenylcarbamoyl)phenyldisulfanyl]benzoic acid

Participants

Reaction Steps

This compound was prepared according to the method of Example 132 using a suspension of 0.46 g (1.5 mmol) of 4-(3-oxo-3H-benzo[d]isothiazol-2-yl)benzene sulfonamide in a mixture of 15 mL of methanol and 15 mL of tetrahydrofuran, and 0.23 g (1.5 mmol) of thiosalicylic acid. The product was washed with ether and dried in vacuo to give 0.66 g of the title compound, mp 276°-278° C.

Provenance & Evidence