(S)-2-methylamino-1-phenylpropan-1-ol 、
(3aS,5aS,9bS)-5a,9-dimethyl-3-methylene-3a,5,5a,9b-tetrahydronaphtho[1,2-b]furan-2,8(3H,4H)-dione 以
甲醇 为溶剂,
以55%的产率得到(3aS,5aS,9bS)-3{[((S)-2-hydroxy-1-methyl-2-phenylethyl)methylamino]methyl}-5a,9-dimethyl-3a,5,5a,9b-tetrahydro-3H,4H-naphtho[1,2-b]furan-2,8-dione