35337-18-9
(S)-3-((R)-6,7-dihydroxy-2-methyl-1,2,3,4-tetrahydro-isoquinolin-1-yl)-6,7-dimethoxy-3H-isobenzofuran-1-one
+
74-97-5
溴氯甲烷
→
~71%
118-08-1
北美黄连碱
186581-53-3
重氮甲烷
+
34408-04-3
(S)-6,7-dihydroxy-3-((R)-6-methyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)-3H-isobenzofuran-1-one
→
118-08-1
北美黄连碱