(20S,24R)-16β,18-diacetoxy-20,24-epoxy-9,19-cyclolanostane-3β,15α,25-triol 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以3 mg的产率得到(1S,3R,6S,8R,11R,12S,13R,14R,15R,16S)-16-(hydroxymethyl)-15-[(2S,5R)-5-(2-hydroxypropan-2-yl)-2-methyloxolan-2-yl]-7,7,12-trimethylpentacyclo[9.7.0.01,3.03,8.012,16]octadecane-6,13,14-triol