在
甲醇 、
乙酸肼 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
以98%的产率得到[(2S,3R,4R,5S,6S)-5-[(2S,3R,4R,5S,6S)-5-dodecanoyloxy-4-[(4-methoxyphenyl)methoxy]-6-methyl-3-[(E)-3-phenylprop-2-enoyl]oxyoxan-2-yl]oxy-2-[[(1R,3S,5S,6S,7R,8R,20S,22R,24R,25S,29S)-7-[(4-methoxyphenyl)methoxy]-5,24,27,27-tetramethyl-10-oxo-20-pentyl-2,4,9,21,23,26,28-heptaoxatetracyclo[20.7.0.03,8.025,29]nonacosan-6-yl]oxy]-6-methyl-3-[(2S)-2-methylbutanoyl]oxyoxan-4-yl] (11S)-11-[[(3aS,4R,6R,7R,7aR)-7-hydroxy-2,2,4-trimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl]oxy]hexadecanoate