Benzenesulfonyl chloride → (3-{[Benzenesulfonyl-(4-pyrazin-2-yl-benzyl)-amino]-methyl}-phenoxy)-acetic acid tert-butyl ester

Participants

Reaction Steps

The title compound of Step A was prepared from {3-[(4-pyrazin-2-yl-benzylamino)-methyl]-phenoxy}-acetic acid tert-butyl ester, prepared in Step A of Example 13b, and benzenesulfonyl chloride following the method described in Example 3, Step B 1H NMR (400 MHz, CDCl3) δ 8.97 (s, 1H), 8.60 (m, 1H), 8.49 (m, 1H), 7.87 (m, 4H), 7.61-7.51 (m, 3H), 7.26-7.08 (m, 3H), 6.75 (m, 1H), 6.63 (m, 1H), 6.58 (m, 1H), 4.38 (s, 2H), 4.34 (s, 2H), 4.31 (s, 2H), 1.47 (s, 9H); MS 546 (M+1).

Provenance & Evidence