乙酸酐 、 (2R,3R)-2,3-Dimethyl-oxirane-2-carboxylic acid (6E,10E)-(4R,5R,11aS)-4-hydroxy-6,10-dimethyl-3-methylene-2-oxo-2,3,3a,4,5,8,9,11a-octahydro-cyclodeca[b]furan-5-yl ester 在
吡啶 作用下,
反应 24.0h,
生成
(2R,3R)-2,3-Dimethyl-oxirane-2-carboxylic acid (6E,10E)-(4R,5R,11aS)-4-acetoxy-6,10-dimethyl-3-methylene-2-oxo-2,3,3a,4,5,8,9,11a-octahydro-cyclodeca[b]furan-5-yl ester