描述:
(25R)-3β-[(O-β-D-glucopyranosyl-(1->3)-O-β-D-glucopyranosyl-(1->2)-O-[β-D-xylopyranosyl-(1->3)]-O-β-D-glucopyranosyl-(1->4)-β-D-galactopyranosyl)oxy]-26-[(β-D-glucopyranosyl)oxy]-2α-hydroxycholesta-5,17-diene-16,22-dione 在
β-D-glucosidase 作用下,
反应 0.5h,
以15.4 mg的产率得到(2R,3R,8R,9S,10R,13S,14S,17Z)-3-[(2R,3R,4R,5R,6R)-5-[(2S,3R,4S,5R,6R)-3-[(2S,3R,4S,5R,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)-4-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-hydroxy-17-[(6R)-7-hydroxy-6-methyl-3-oxoheptan-2-ylidene]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-16-one