[(3aR,4S,6aR,8S,9S,9aS,9bS)-8,9-dihydroxy-9-(iodomethyl)-3,6-dimethylidene-2-oxo-3a,4,5,6a,7,8,9a,9b-octahydroazuleno[4,5-b]furan-4-yl] (2S)-2-hydroxy-3-iodo-2-methylpropanoate 在
potassium tert-butylate 作用下,
以
四氢呋喃 为溶剂,
反应 24.0h,
以7 mg的产率得到[(3aR,4S,6aR,8S,9S,9aS,9bS)-8,9-dihydroxy-9-(iodomethyl)-3,6-dimethylidene-2-oxo-3a,4,5,6a,7,8,9a,9b-octahydroazuleno[4,5-b]furan-4-yl] (2R)-2-methyloxirane-2-carboxylate