Suggested Reaction 1.14.11.-

Left

3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-1-benzopyrylium chloride
+O2
+2-Ketoglutaric acid

Right

3-Methylquercetin
+CO2
+Butanedionic acid
+H+

[BiSSCat | GREP ]