3-O-β-D-allomethylpyranosyl-(1->5)-β-D-apiofuranosyl heloniogenin 12-O-β-D-galactopyranoside 在
盐酸 作用下,
以
甲醇 为溶剂,
反应 0.33h,
以17 mg的产率得到(2R,3R,4S,5R,6R)-2-(hydroxymethyl)-6-[(1R,2S,4S,5'R,6R,7S,8R,9S,10S,12S,13R,16S)-16-hydroxy-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icos-18-ene-6,2'-oxane]-10-yl]oxyoxane-3,4,5-triol