反应详情

To 5-(2-tert-butoxycarbonylethenyl)furan-2-carboxylic acid benzyl ester (0.15 g, 0.46 mmol) obtained in Example 41, step 2 was added trifluoroacetic acid (3 mL), and the mixture was stirred for 30 minutes. The solvent was evaporated under reduced pressure to give the title compound.

1. customThe solvent was evaporated under reduced pressure