1-Naphthaleneacetic Acid → Methyl 4-methyl-2-(2-(naphthalen-1-yl)acetamido)thiophene-3-carboxylate

Participants

Reaction Steps

The title compound was prepared from 2-(naphthalen-1-yl)acetic acid (10 g, 54 mmol) and methyl 2-amino-4-methylthiophene-3-carboxylate (9.2 g, 54 mmol) according to protocol A (15.4 g, 85%) as a white solid. 1H NMR (CDCl3) δ 11.0 (s, 1H), 8.05-7.85 (m, 3H), 7.63-7.50 (m, 4H), 6.36 (s, 1H), 4.29 (s, 2H), 3.57 (s, 3H), 2.28 (s, 3H); 13C NMR (CDCl3) δ 168.3, 165.6, 149.3, 135.0, 134.0, 132.1, 129.8, 128.9, 128.6, 127.0, 126.2, 125.7, 123.7, 112.9, 112.2, 51.1, 41.9, 17.7; MH+ 340.

Provenance & Evidence