3α,15,16-Trihydroxy-ent-pimar-7-ene-16-O-β-D-glucopyranoside 在
4-二甲氨基吡啶 作用下,
以
氯仿 为溶剂,
反应 2.0h,
生成 Acetic acid (2S,4aS,4bR,7S,10aS)-7-[1-hydroxy-2-((2R,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-ethyl]-1,1,4a,7-tetramethyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-phenanthren-2-yl ester