(1R,5S)-6,6-dimethyl-2-(1-prop-2-enoxyprop-2-ynyl)bicyclo[3.1.1]hept-2-ene 在
[ruthenium(II)(η
6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]
2 caesium carbonate 、
1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazolium chloride 作用下,
以
甲苯 为溶剂,
反应 21.0h,
以46%的产率得到2-[(1R,5S)-6,6-dimethyl-2-bicyclo[3.1.1]hept-2-enyl]-3-ethenyl-2,5-dihydrofuran