Suggested Reaction 2.1.1.-
Left
1,3,6,7-Tetrahydroxyxanthone
+
S-Adenosyl-L-methionine
Right
3-Methoxy-1,6,7-trihydroxyxanthone
+
S-Adenosyl-L-homocysteine
+
H+
[
BiSSCat
|
GREP
]