(3S,4aR,5S)-4a,5-dimethyl-3-((E)-1-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yloxy)prop-1-en-2-yl)-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one 、
乙酸酐 在
吡啶 作用下,
以11 mg的产率得到[(2R,3R,4S,5R,6R)-6-[(E)-2-[(2S,8S,8aR)-8,8a-dimethyl-3-oxo-1,2,5,6,7,8-hexahydronaphthalen-2-yl]prop-1-enoxy]-3,4,5-triacetyloxyoxan-2-yl]methyl acetate