Abstract

An oxidative ring opening of benzothiazole to an acylamidobenzene sulfonate ester using alcohol solvents and magnesium monoperxoyphthalate hexahydrate has been described. Under the established conditions, the reaction produces synthetically significant yields with a variety of benzothiazole derivatives. A sulfonate ester intermediate suggests that the reaction proceeds via thiazole ring opening followed by thiol oxidation.

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