Pyridine-2-sulfonyl chloride hydrochloride → 7-[(4-Pyrazol-1-yl-benzyl)-(pyridine-2-sulfonyl)-amino]-heptanoic acid methyl ester

Participants

Reaction Steps

The title compound of Step B was prepared from 7-(4-pyrazol-1-yl-benzylamino)-heptanoic acid methyl ester, of Step A, and pyridine-2-sulfonyl chloride hydrochloride, of Preparation 47, following the method described in Example 1, Step B using triethylamine in place of N,N-diisopropylethylamine. 1H NMR (400 MHz, CDCl3) δ 9.06 (m, 1H), 8.80 (dd, 1H), 8.10 (m, 1H), 7.92 (d, 1H), 7.71 (d, 1H), 7.65 (d, 2H), 7.48 (m, 1H), 7.36 (d, 2H), 6.46 (d, 1H), 4.38 (s, 2H), 3.62 (s, 3H), 3.14 (t, 2H), 2.21 (t, 2H), 1.48 (m, 2H), 1.36 (m, 2H), 1.25 (m, 4H); MS 457 (M+1).

Provenance & Evidence