[(2E,4E,6E)-2,7-dimethyl-8-(triphenyl-λ5-phosphanylidene)octa-2,4,6-trienylidene]-triphenyl-λ5-phosphane 在
吡啶 作用下,
以
甲醇 为溶剂,
反应 14.5h,
生成 Acetic acid (1R,3R,6S)-6-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-((1S,4R,6R)-4-acetoxy-2,2,6-trimethyl-7-oxa-bicyclo[4.1.0]hept-1-yl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-1,5,5-trimethyl-7-oxa-bicyclo[4.1.0]hept-3-yl ester