The synthesis of the tripodal phosphine CH3C{CH2P(m-CF3C6H4)2}3 and its rhodium coordination chemistry
作者:Sülü Mustafa、Luigi M. Venanzi、Tobias Gerfin、Volker Gramlich
DOI:10.1016/s0020-1693(97)06115-x
日期:1998.4
Abstract The new tripodal phosphine CH3CCH2P(m-CF3C6H4)2}3, CF3PPP, was prepared by reacting CH3C(CH2Br)3 with Li+P(m-CF3C6H4)2−, the latter being best obtained by adding Li+NiPr2− to PH(m-CF3C6H4)2. The rhodium complexes [RhCl(CO)(CF3PPP)], [Rh(LL)(CF3PPP)](CF3SO3) (LL = 2 CO or NBD), [RhX3(CF3PPP)], [RhX(MeCN)3(CF3PPP)](CF3SO3)2 (X = H and Cl), [RhCl2(MeCN)(CF3PPP)](CF3SO3) and [Rh(MeCN)3(CF3PPP)](CF3SO3)3
摘要通过将CH3C(CH2Br)3与Li + P(m-CF3C6H4)2-进行反应制备了新的三脚膦CH3C CH2P(m-CF3C6H4)2} 3 CF3PPP,最好通过添加Li + NiPr2获得后者-到PH(m-CF3C6H4)2。铑配合物[RhCl(CO)(CF3PPP)],[Rh(LL)(CF3PPP)](CF3SO3)(LL = 2 CO或NBD),[RhX3(CF3PPP)],[RhX(MeCN)3(CF3PPP)制备并表征了](CF 3 SO 3)2(X = H和Cl),[RhCl 2(MeCN)(CF 3 PPP)](CF 3 SO 3)和[Rh(MeCN)3(CF 3 PPP)](CF 3 SO 3)3。报告了[Rh(NBD)(CF3PPP)](CF3SO3)的X射线晶体结构。相对于具有母体配体CH3C(CH2PPh2)3的相应物种,CF3PPP铑(I)配合物的较低氧敏