Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-6-[(2R,4aR,8aS)-5-(2-furan-3-yl-ethyl)-1,1,4a,6-tetramethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-2-yloxy]-5-hydroxy-tetrahydro-pyran-4-yl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 15.0h,
以100%的产率得到(-)-baiyunyl β-D-glucopyranoside