1-methyl-1H-imidazole-4-sulfonyl chloride → (3-{[(1-Methyl-1H-imidazole-4-sulfonyl)-(4-pyrazol-1-yl-benzyl)-amino]-methyl}-phenoxy)-acetic acid tert-butyl ester

Participants

Reaction Steps

The title compound of Step A was prepared from {3-[(4-pyrazol-1-yl-benzylamino)-methyl]-phenoxy}-acetic acid tert-butyl ester, prepared in Step A of Example 13h, and 1-methyl-1H-imidazole-4-sulfonyl chloride following the method described in Example 3, Step B with a reaction time of 2 h. 1H NMR (400 MHz, CDCl3) δ 7.87 (d, 1H), 7.67 (d, 1H), 7.52 (d, 2H), 7.48 (d, 1H), 7.37 (d, 1H), 7.23 (d, 2H), 7.10 (t, 1H), 6.73 (m, 3H), 6.42 (m, 1H), 4.41 (s, 4H), 4.36 (s, 2H), 3.70 (s, 3H), 1.46 (s, 9H); MS 538 (M+1).

Provenance & Evidence