methyl (E)-3-[(1R,2R,3R,3aR,4S,5R,7aR)-5-[(E)-6-[tert-butyl(dimethyl)silyl]oxy-3-methylhex-2-enyl]-3-hydroxy-2,6-dimethyl-1-tri(propan-2-yl)silyloxy-2,3,3a,4,5,7a-hexahydro-1H-inden-4-yl]-2-(acetyloxymethyl)prop-2-enoate 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以82%的产率得到methyl (E)-3-[(1R,2R,3R,3aR,4S,5R,7aR)-5-[(E)-6-[tert-butyl(dimethyl)silyl]oxy-3-methylhex-2-enyl]-3-hydroxy-2,6-dimethyl-1-tri(propan-2-yl)silyloxy-2,3,3a,4,5,7a-hexahydro-1H-inden-4-yl]-2-(hydroxymethyl)prop-2-enoate