在
甲醇 、
sodium methylate 作用下,
以82%的产率得到(2R)-2-[(1R,2S,4S,5S)-2-[(2R,3R,4R,5R,6R)-3-acetamido-5-hydroxy-6-(hydroxymethyl)-4-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-4,5-bis[(2-methylpropan-2-yl)oxycarbonyl]cyclohexyl]oxypropanoic acid