3-(3-{[Benzenesulfonyl-(4-pyrazol-1-yl-benzyl)-amino]-methyl}-phenyl)-2-methyl-propionic acid methyl ester → 3-(3-{[Benzenesulfonyl-(4-pyrazol-1-yl-benzyl)-amino]-methyl}-phenyl)-2-methyl-propionic acid

Participants

Reaction Steps

The title compound was prepared following the method described in Example 1, Step C, from 3-(3-{[benzenesulfonyl-(4-pyrazol-1-yl-benzyl)-amino]-methyl}-phenyl)-2-methyl-propionic acid methyl ester of Step E, except that the hydrolysis was performed in MeOH at reflux over 24 h. 1H NMR (400 MHz, CD3OD) δ 8.14 (m, 1H), 7.90 (m, 2H), 7.69-7.53 (m, 6H), 7.17 (m, 2H), 7.07 (m, 1H), 6.99 (m, 1H), 6.90 (m, 1H), 6.79 (m, 1H), 6.49 (m 1H), 4.34 (s, 2H), 4.31 (s, 2H), 2.79 (m, 1H), 2.50 (m, 2H), 1.02 (d, 3H); MS 488 (M−1).

Provenance & Evidence