(E)-(2S,4S,5R,6S,9R,10S)-11-Benzyloxy-5-methoxy-9-methoxymethoxy-2,6,8,10-tetramethyl-undec-7-ene-1,4-diol 在
silver carbonate 作用下,
以
苯 为溶剂,
以75%的产率得到(3S,5S)-5-((E)-(1S,2R,5S,6R)-7-Benzyloxy-1-methoxy-5-methoxymethoxy-2,4,6-trimethyl-hept-3-enyl)-3-methyl-dihydro-furan-2-one