diethyl [1-(dimethylamino)-1-(trifluoromethyl)buta-2,3-dien-1-yl]phosphonate 在
pentamethyl cyclopentadienyl-η6-naphthalene-ruthenium hexachlorophosphate 、
苄基三乙基氯化铵 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以86%的产率得到tetraethyl cyclobutane-1,3-diylidenebis(2-(dimethylamino)-1,1,1-trifluoropropan-2-yl-3-ylidene)bis(phosphonate)