[(1S,3R,7S,8S,8aR)-3,7-dimethyl-8-[2-[(2R,4R)-4-(oxan-2-yloxy)-6-oxooxan-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] (2S)-2-methylbutanoate 、
正丁胺 在
硫酸 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以148.3 g的产率得到2-methyl-butyric acid 8-[6-butylcarbamoyl-3-hydroxy-5-(tetrahydropyran-2-yloxy)-hexyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl ester