gukulenin A 、
(R)-methoxytrifluoromethylphenylacetyl chloride 在
吡啶 作用下,
以
二氯甲烷 为溶剂,
反应 10.0h,
生成 [(1R,3R,11R,12R,15R,16R)-3-[3-[(1R,2R,5R)-2-[(1R)-1-acetyloxy-2-oxoethyl]-2-methyl-5-propan-2-ylcyclopentyl]-4-methyl-5-oxo-6-[(2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoyl]oxycyclohepta-1,3,6-trien-1-yl]-9,15-dimethyl-8-oxo-12-propan-2-yl-3,7-bis[[(2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoyl]oxy]-2-oxatetracyclo[8.6.1.05,17.011,15]heptadeca-5(17),6,9-trien-16-yl] (2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate