Acetic acid (1R,2S,3aR,8aS)-1-((1R,2R,5R)-5-acetoxymethyl-2-hydroxy-3-oxo-cyclopentyl)-1,4,4-trimethyl-8-methylene-decahydro-azulen-2-yl ester 在
lead(IV) acetate 、 sodium tetrahydroborate 作用下,
以
四氢呋喃 、
甲醇 、
甲苯 为溶剂,
反应 0.33h,
生成 (3R,4R)-3-Acetoxymethyl-4-((1R,2S,3aR,8aS)-2-acetoxy-1,4,4-trimethyl-8-methylene-decahydro-azulen-1-yl)-5-hydroxy-pentanoic acid