Diethyl Ether → 5-Fluoro-3-methyl-benzo[b]thiophene-2-sulfonic acid (2-methanesulfonyl-4-piperidin-4-yl-phenyl)-amide hydrochloride

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Reaction Steps

A solution of 4-[4-(5-fluoro-3-methyl-benzo[b]thiophene-2-sulfonylamino)-3-methanesulfonyl-phenyl]-piperidine-1-carboxylic acid tert-butyl ester (0.025 g) in ethyl acetate (1 ml) was treated with 2.5 N HCl/ethyl acetate (2 ml). The reaction mixture was stirred at rt for 2 h. Ether (20 ml) was added, the precipitate was filtered off, washed with ether and dried under high vacuum over P2O5 to obtain the title compound (0.020 g) as a yellowish powder. MS (ISP): 483.3 (M+H)+

Provenance & Evidence