Suggested Reaction 2.1.1.-
Left
Columbamine
+
S-Adenosyl-L-methionine
Right
5,6-Dihydro-2,3,9,10-tetramethoxydibenzo[a,g]quinolizinium
+
S-Adenosyl-L-homocysteine
+
H+
[
BiSSCat
|
GREP
]