p-methoxytoluenesulfonic acid 、 (2S,3S,6S,7R,10R,E)-10-((tert-butyldimethylsilyl)oxy)-7-(1-ethoxyethoxy)-3,7-dimethyl-12-oxo-2-((R,2E,4E)-6-(pyridin-2-yl)hepta-2,4-dien-2-yl)oxacyclododec-4-en-6-yl [1,4'-bipiperidine]-1'-carboxylate 在
碳酸氢钠 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以29%的产率得到(2S,3S,6S,7R,10R,E)-7,10-dihydroxy-3,7-dimethyl-12-oxo-2-((R,2E,4E)-6-(pyridin-2-yl)hepta-2,4-dien-2-yl)oxacyclododec-4-en-6-yl[1,4'-bipiperidine]-1'-carboxylate