p-Toluenesulfonic acid monohydrate → HCID 69585051, compound

Participants

Reaction Steps

Prepared from the method of Example 15c), from 4-(3-nitrobenzamido)-3-hydroxybenzoic acid methyl ester (20 g, 63.0 mmol) and p-toluenesulfonic acid monohydrate (26.3 g, 138 mmol) the subtitle compound was obtained (3.05 g, 16%). 1H NMR (CDCl3) δ 9.13(t, 1H), 8.62(d, 1H), 8.44(dd, 1H), 8.33(s, 1H), 8.15(dd, 1H), 7.85(d, 1H), 7.77(t, 1H), 4.00(s, 3H).

Provenance & Evidence