作者:David J. Brauer、Sibbele Hietkamp、Herbert Sommer、Othmar Stelzer、Gerhard Müller、Carl Krüger
DOI:10.1016/0022-328x(85)80103-0
日期:1985.6
CH2Ph, Me, t-Bu; Ia–Id) react with excess Fe2(CO)9 to give the cluster compounds Fe3(CO)9(μ2-PRCH2-PRH)(μ-H) (IIIa–IIId) and Fe3(CO)9(μ-PR)(μ2-PRCH3)(μ-H) (Va–Vd) through cleavage of the PH bond and the PCP skeleton. Pyrolysis of Va, Vb and Vd affords the unsymmetrically substituted bis-μ3-phosphinidene bridged clusters Fe3(CO)9(μ3-PR)(μ3-PMe) (VIa, VIb and VId). If Ia or Id is treated with Fe2(CO)9
亚甲基桥连二仲膦HRPCH 2 PRH(R = I-PR,CH 2 PH,Me中,叔-卜; IA-ID)与过量的Fe反应,2(CO)9,得到簇化合物的Fe 3(CO )9(μ 2 -PRCH 2 -PRH)(μ-H)式(IIIa-IIId)中和Fe 3(CO)9(μ-PR)(μ 2 -PRCH 3)(μ-H)(VA- Vd)通过裂解PH键和PCP骨架。Va,Vb和Vd的热解,得到不对称取代的双- μ 3 -phosphinidene桥接簇的Fe 3(CO)9(μ 3 -PR)(μ 3-PMe)(VIa,VIb和VId)。如果Ia或ID与处理的Fe 2(CO)9的在高温下的摩尔比,所述双核的形成配合物的Fe 2(CO)6(RPCH 2 PR)(VIIA,VIID)伴随碎片他们的PCP骨干。其结果是,铁2(CO)6(μ 2 -P(I-PR)H)(μ 2 -P(I-PR)CH 3)(VIII)或识别符和Fe