Acetic acid 3-(2,4-dimethoxyphenyl)-7-hydroxy4-methyl-2-oxo-2H-chromen-7-yl ester → 3-(2,3-Dihydroxyphenyl)-7-hydroxy-4-methyl-chromen-2-one

Participants

Reaction Steps

The title compound was prepared according to the procedure described in Example 5 with substitution of acetic acid 3-(2,4-dimethoxyphenyl)-8-hydroxy-4-methyl-2-oxo-2H-chromen-7-yl ester, prepared in Example 2, for acetic acid 3-(2,4-dimethoxyphenyl)-7-hydroxy-4-methyl-2-oxo-2H-chromen-7-yl ester.

Provenance & Evidence