反应详情

4-Hydroxy-7-(2-methoxy-phenyl)-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester was prepared from 7-bromo-4-hydroxy-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester (Example 5e) and 2-methoxyphenylboronic acid under conditions analogous to Example 7(a). MS ESI(−) m/e: 341.07 (M−1).