Operculinic acid G methyl ester 、
碘甲烷 在
sodium hydride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以2 mg的产率得到methyl (11S)-11-[(2R,3R,4S,5S,6R)-3-[(2S,3R,4R,5S,6S)-3,4-dimethoxy-5-[(2S,3R,4R,5S,6S)-3-methoxy-6-methyl-4-[(2S,3R,4S,5R,6R)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-5-[(2S,3R,4R,5S,6S)-3,4,5-trimethoxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-6-methyloxan-2-yl]oxy-4,5-dimethoxy-6-methyloxan-2-yl]oxyhexadecanoate