Water → HCID 24762482, compound

Participants

Reaction Steps

A suspension of 4-{[4-(3-chloro-benzenesulfonyl)-1-oxo-1,2,3,4-tetrahydro-benzo[1,4]thiazine-6-carbonyl]-amino}-benzoic acid tert-butyl ester (153 mg, 0.273 mmol) in formic acid (4 mL) was stirred for 16 h at room temperature, then the solution obtained was treated with water, and the suspension was stirred for another 90 min. The precipitate was collected by filtration and dried to produce the title compound (126 mg, 92%). White solid, 505.2 (M+H)+.

Provenance & Evidence