反应详情

Using Method F above, (Z)-4-[2,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2-oxo-5-[(2-thienylacetyl)amino]-1H-indol-4-yl]-benzoic acid methyl ester (70 mg, 0.14 mmol) (from Example 50 supra) was hydrolyzed with LiOH.H2O (20 mg, 0.48 mmol) in THF (3 mL) and water (2 mL) at room temperature for 3 days to yield (Z)-4-[2,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2-oxo-5-[(2-thienylacetyl)amino]-1H-indol-4-yl]-benzoic acid (yield: 20 mg, 29%).