1-methyl-1H-imidazole-4-sulfonyl chloride → 3-(3-{[(1-Methyl-1H-imidazole-4-sulfonyl)-(4-pyrazol-1-yl-benzyl)-amino]-methyl}-phenyl)-propionic acid methyl ester

Participants

Reaction Steps

The title compound of Step A was prepared from 3-{3-[(4-pyrazol-1-yl-benzylamino)-methyl]-phenyl}-propionic acid methyl ester, of Step A of Example 11o, and 1-methyl-1H-imidazole-4-sulfonyl chloride following the method described in Example 1, Step B using triethylamine in place of N,N-diisopropylethylamine. 1H NMR (400 MHz, CDCl3) δ 7.89 (d, 1H), 7.70 (s, 1H), 7.54 (m, 3H), 7.39 (d, 1H), 7.24 (m, 2H), 7.14 (m, 1H), 7.04-6.97 (m, 3H), 6.45 (m, 1H), 4.43 (s, 2H), 4.40 (s, 2H), 3.74 (s, 3H), 3.65 (s, 3H), 2.83 (t, 2H), 2.53 (t, 2H); MS 494 (M+1).

Provenance & Evidence