2-[(1S,2R,4aS,5S,8R,8aR)-5-{2-[acetyl(cyclopropyl)amino]-1-methylethyl}-2-(acetyloxy)-8a-hydroxy-3,8-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl] 3-(1,1-dimethylethyl) (2S,3aR,9bR)-6-chloro-9b-({[(1,1-dimethylethyl) oxy] carbonyl} oxy)-5-methyl-1,2,5,9b-tetrahydropyrrolo[2,3-c][2,1]benzoxazine-2,3 (3aH)-dicarboxylate 在
盐酸 、
水 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.0h,
以47%的产率得到(1S,2R,4aS,5S,8R,8aR)-5-{2-[acetyl(cyclopropyl)amino]-1-methylethyl}-2-(acetyloxy)-8a-hydroxy-3,8-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl (2S,3aR,9bR)-6-chloro-9b-hydroxy-5-methyl-1,2,3,3a,5,9b-hexahydropyrrolo[2,3-c][2,1]benzoxazine-2-carboxylate