3-Fluorophenylboronic acid → HCID 178498912, compound

Participants

Reaction Steps

6-(3-Fluoro-phenyl)-4-hydroxy-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester was prepared from 6-bromo-4-hydroxy-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester under conditions analogous to Example 7(a) using 3-fluoro-phenylboronic acid. 1H NMR (200 MHz, CDCl3): δ (ppm)=8.549 (s, 1H), 7.814-7.664 (m, 2H), 7.463-7.249 (m, 3H), 7.132-7.042 (m, 1H), 4.028 (s, 3H).

Provenance & Evidence