oleanolic acid 3-O-β-D-glucopyranosyl-(1->4)-β-D-glucopyranosyl-(1->4)-β-D-ribopyranosyl-(1->3)-α-L-rhamnopyranosyl-(1->2)-α-L-arabinopyranoside 在
sodium acetate 、 cellulase 作用下,
以
溶剂黄146 为溶剂,
反应 120.0h,
以30 mg的产率得到(4aS,6aR,6aS,6bR,8aR,10S,12aR,14bR)-10-[(2S,3R,4S,5S)-3-[(2S,3R,4R,5S,6S)-4-[(2S,3R,4S,5R)-3,4-dihydroxy-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3,5-dihydroxy-6-methyloxan-2-yl]oxy-4,5-dihydroxyoxan-2-yl]oxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylic acid