反应详情

5-(3-tert-butoxycarbonylamino-phenyl)-isoxazole-3-carboxylic acid ethyl ester (2.63 g, 0.00791 mole) in methylene chloride. (5 mL) was treated with trifluoroacetic acid (2.5 mL) at ambient temperature for 4 hours. The mixture was concentrated in vacuo to provide the titled compound (3.68 g).

1. concentrationThe mixture was concentrated in vacuo