乙酸酐 、
(R)-4-{(E)-(S)-3-[(2R,3R,4S,5S,6R)-3-((2S,3R,4R)-3,4-Dihydroxy-4-hydroxymethyl-tetrahydro-furan-2-yloxy)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy]-but-1-enyl}-3,5,5-trimethyl-cyclohex-2-enone 在
吡啶 作用下,
反应 18.0h,
以3.5 mg的产率得到Acetic acid (3S,4R,5S)-4-acetoxy-3-acetoxymethyl-5-{(2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[(E)-(S)-1-methyl-3-((R)-2,6,6-trimethyl-4-oxo-cyclohex-2-enyl)-allyloxy]-tetrahydro-pyran-3-yloxy}-tetrahydro-furan-3-yl ester