乙酸酐 、
β-D-glucopyranosyl <1(10)Z,4E>-(7R,8S)-germacra-1(10),4,11(13)-trien-12,8-olide-14-oate 以
吡啶 为溶剂,
以120 mg的产率得到(5E,9Z)-(3aR,11aS)-6-Methyl-3-methylene-2-oxo-2,3,3a,4,7,8,11,11a-octahydro-cyclodeca[b]furan-10-carboxylic acid (2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yl ester