[Ru(η5-Cp)(triphenylphosphine)2(CN)] 、
2,6-二甲基-2,5-庚二烯-4-酮 在
Et
2O-HBF
4 作用下,
以
二氯甲烷 为溶剂,
以57%的产率得到2,3,4,5,6-pentamethyl-1-(3,3,7-trimethyl-5-methyleneoct-6-en-1-yn-1-yl)-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)