Tert-butyl 3-(3-(5-chloro-3-methylbenzo[b]thiophene-2-sulfonamido)phenyl)azetidine-1-carboxylate → HCID 86636897, compound

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tert-Butyl 3-(3-(5-chloro-3-methylbenzo[b]thiophene-2-sulfonamido)phenyl)azetidine-1-carboxylate (140 mg, 0.28 mmol) was stirred in formic acid (3 ml) at 0° C. for 3 h. The solution was concentrated, dissolved in water, concentrated HCl added and the solution concentrated by lyophylisation to give the title compound (113 mg, 93%) as a white foam.

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