Lithium aluminium hydride 、 Ethyl 7,9-dimethoxy-3-methyl-2,3,4,7a-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-7a-carboxylate 在
Sodium sulfate-III 、 silica gel 、
methanol-dichloromethane 作用下,
以
四氢呋喃 为溶剂,
反应 2.5h,
以to yield the pure product 5-(hydroxymethyl) thebaine 3 as a pale yellow solid (0.036 g, 81% yield) with mp 169-171° C的产率得到(7,9-dimethoxy-3-methyl-2,3,4,7a-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7a-yl)methanol