β-isopinocampheyl-9-borabicyclo[3.3.1]nonane 、
(Z)-(1S,2S,3R,6S)-4-[2-(3'-oxo-3'-cyclohexylprop-1'-ynyl)-3-hydroxybicyclo[4.2.0]oct-7-ylidene]butanoic acid 、
丙醛 在
sodium hydroxide 作用下,
以
四氢呋喃 为溶剂,
生成 (Z)-(3'S,1S,2S,3R,6S)-4-[2-(3'-hydroxy-3'-cyclohexylprop-1'-ynyl)-3-hydroxybicyclo[4.2.0]oct-7-ylidene]butyric acid