zizyvoside I 、
碘甲烷 在
sodium hydride 作用下,
生成 (S)-4-{(E)-(R)-3-[(2R,3R,4S,5R,6R)-4,5-Dimethoxy-6-methoxymethyl-3-((2S,3R,4R,5S,6S)-3,4,5-trimethoxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-but-1-enyl}-4-methoxy-3,5,5-trimethyl-cyclohex-2-enone