4-Fluorobenzenesulfonyl chloride → 3-(3-{[(2,3-Dihydro-benzofuran-5-ylmethyl)-(4-fluoro-benzenesulfonyl)-amino]-methyl}-phenyl)-propionic acid methyl ester

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Reaction Steps

The title compound of Step A was prepared following the method described in Step A of Example 1 from 3-(3-{[(2,3-dihydro-benzofuran-5-ylmethyl)-amino]-methyl}-phenyl)-propionic acid methyl ester, prepared in Step A of Example 12w, and 4-fluorobenzenesulfonyl chloride using triethylamine in place of N,N-diisopropylethylamine. 1H NMR (400 MHz, CDCl3) δ 7.79 (m, 2H), 7.14 (m, 3H), 7.03 (d, 1H), 6.88 (m, 2H), 6.79 (s, 1H), 6.71 (d, 1H), 6.58 (d, 1H), 4.51 (t, 2H), 4.25 (s, 2H), 4.21 (s, 2H), 3.64 (s, 3H), 3.08 (t, 2H), 2.80 (t, 2H), 2.50 (t, 2H).

Provenance & Evidence