variation in the cis-trans alkene distribution and in the overall yield of alkene was observed in the reaction of Fe(CO)5 with p-CH3C6H4CHP(R′)3, where R′ = p-FC6H4, C6H5, n-C4H9, and (CH3)2N. The reaction of Fe(CO)5 with C6H5COCH−M+, where M+ = P+(C6H5)3, P+(p-FC6H4)3, N+C5H5, and S+(CH3)2, and several other stable ylides was also investigated.
具有以下结构的膦p -XC 6 ħ 4 CHP(C 6 H ^ 5)3 [其中X = H,CH 3,OCH 3 ]在无
水四氢呋喃羰基铁反应,得到
二苯乙烯的低的产率合理,以及不稳定的紫红色有机
金属配合物,
三苯基膦亚
铁四羰基化合物和
三苯基膦氧化物。RCHP(C 6 H 5)3 [R =烷基]类型的大多数phosphor烷也形成不稳定的有机
金属和(C 6 H 5)3 PFe(CO)4,但仅在两种情况下才以低收率分离出取代的
乙烯。在实质变化顺反在的Fe(CO)的反应中观察到的烯烃分布和烯烃的总产率5与p -CH 3 Ç 6 ħ 4 CHP(R')3,其中R'= p -FC 6 ħ 4,C 6 H ^ 5,NC 4 ħ 9,和(CH 3)2 N.的Fe(CO)的反应5为C 6 H ^ 5 COCH -M +,其中M + = P +(C 6 H 5)3,P +(p- FC 6 H 4)3,N +