乙酸酐 、
simonin IV 在
吡啶 作用下,
以5 mg的产率得到[(2S,3S,4R,5R,6S)-4,5-diacetyloxy-6-[(2S,3S,4R,5R,6S)-5-decanoyloxy-2-methyl-6-[[(1R,3S,5S,6S,7R,8R,20S,22R,24R,25S,26S)-7,25,26-triacetyloxy-5,24-dimethyl-10-oxo-20-pentyl-2,4,9,21,23-pentaoxatricyclo[20.4.0.03,8]hexacosan-6-yl]oxy]-4-[(2S,3R,4R,5S,6S)-3,4,5-triacetyloxy-6-methyloxan-2-yl]oxyoxan-3-yl]oxy-2-methyloxan-3-yl] dodecanoate