4,5α-epoxy-3,6α,14-trihydroxy-6β-(2-carboxyallyl)-17-methylmorphinan γ-lactone 14-acetate ester 以
甲醇 为溶剂,
反应 14.0h,
生成 (4R,4aS,7aR,12bS)-4a,9-dihydroxy-3-methyl-3'-methylidenespiro[2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-7,5'-oxolane]-2'-one