[(1S,2R)-2-(2-phenylpropan-2-yl)cyclohexyl] 2-[(3aR,4R,5R,6aS)-5-(oxan-2-yloxy)-4-[(E,3S)-3-(oxan-2-yloxy)oct-1-enyl]-1,3a,4,5,6,6a-hexahydropentalen-2-yl]acetate 在
4-甲基苯磺酸吡啶 作用下,
以
甲醇 为溶剂,
反应 12.0h,
生成 2-(1-methyl-1-phenylethyl)cyclohexyl [3aR-(2(1S
*,2R
*),3aα,4α(1E,3S
*),5β,6aα)]-[1,3a,4,5,6,6a-hexahydro-5-hydroxy-4-(3-hydroxy-1-octenyl)-2-pentalenyl]acetate 、 2-(1-methyl-1-phenylethyl)cyclohexyl [3aS-(2(1R
*,2S
*),3aα,5β,6α(1E,3R
*),6aα)]-[1,3a,4,5,6,6a-hexahydro-5-hydroxy-6-(3-hydroxy-1-octenyl)-2-pentalenyl]acetate