(6R,6aS,8R/S,12R,12aS)-(-)-1,12-Epoxy-5,6,6a,7,8,11-hexahydro-6a-hydroxy-6,12a-iminoethano-2-methoxy-10,15-dimethyl-8-(4-nitrophenyl)-(12H)-naphtho<2,1-g>chinolin-9-carbonsaeuremethylester 在
盐酸 、 sodium nitrite 作用下,
以
乙醇 为溶剂,
反应 1.0h,
以72%的产率得到(6R,6aS,12R,12aS)-(-)-1,12-Epoxy-5,6,6a,7-tetrahydro-6a-hydroxy-6,12a-iminoethano-2-methoxy-10,15-dimethyl-8-(4-nitrophenyl)-(12H)-naphtho<2,1-g>chinolin-9-carbonsaeuremethylester