1,2,3-Triphenylphosphirene derivatives of the iridium carbonyl clusters [HIr4(CO)9L(μ-PPh2)] (L = CO, PPh3) resulting from substitution, insertion and hydrometallation processes †
作者:Peter B. Hitchcock、John F. Nixon、Maria D. Vargas、Cláudio M. Ziglio
DOI:10.1039/b003002n
日期:——
as a result of the reductive elimination of a C–H group. Compound 8 undergoes facile CO dissociation and co-ordination of the phosphidoalkenyl CC bond to the metal centre to produce [Ir4(CO)9(μ3-η3-PhPCPhCHPh)(μ-PPh2)] 9. The molecular structures of compounds 2, 4, 6 and 9 were established by X-ray diffraction studies and the structures of all compounds in solution were investigated by a combination
1,2,3-三苯基膦与[HIR发生反应4(CO)10(μ-PPH 2)] 1,在室温下,得到的[Ir 4(CO)8(μ 3 -η 2 -PhPCPh CPH)(μ-PhPCPh CHPh配合)(μ- PPH 2)] 2其中包含phosphametallacycle(μ 3 -η 2 -PhPCPh CPH)和phosphidoalkenyl(μ-PhPCPh CHPh配合)配体 由插入和 加氢金属化流程。与此相反,PPH 3衍生物的1,[HIR 4(CO)9(PPH 3)(μ-PPH 2)] 3,发生反应选择性地在室温下与phosphirene,得到仅CO取代产物,[HIR 4(CO )9 - ñ(PPH 3)(η 1 -PhPCPh CPH)ñ(μ-PPH 2)](ñ = 1,4和2,5),其是在第一羰群集含有完整η化合物1个-ligated phosphirene环。化合物的高产率