2-环己烯-1-酮 、
[Ru(η5-Cp)(triphenylphosphine)2(CN)] 在
Et
2O-HBF
4 作用下,
以
二氯甲烷 为溶剂,
以95%的产率得到(S)-2,3,4,5,6-pentamethyl-1-((1-methyl-3-methylenecyclohexyl)ethynyl)-1,1-ditrityl-1l11,2l5,3l5,4l5,5l5-pentacyclo[2.2.0.01,3.01,5.02,6]hexa-2,4-diene compound with neopentane (1:1)