ethyl <1S-(1α,4α,5α,6α)>-4-isopropyl-1-methyl-6-oxobicyclo<3.1.1>heptane-7-carboxylate 、 ethyl (1R,4S,5S,6S)-1-methyl-7-oxo-4-propan-2-ylbicyclo[3.1.1]heptane-6-carboxylate 、
水 、
氢氧化钾 生成 (1R,4S,5S,6S)-1-methyl-7-oxo-4-propan-2-ylbicyclo[3.1.1]heptane-6-carboxylic acid