A 31P nuclear magnetic resonance investigation of the structure, equilibria, and kinetics of [Pt(PR3) n ] in solution
作者:Brian E. Mann、Alfredo Musco
DOI:10.1039/dt9800000776
日期:——
= PMe3, PMe2Ph, PMePh2, PEt3, or PBun3), [PtL3][L = PEt3, PBun3, P(p-tolyl)3, P(CH2Ph)3, PPri3, or P(C6H11)3], and [PtL2][L = PPri3, P(C6H11)3, or PBut2Ph] have been prepared and shown to exist in solution. In the cases of L = PMePh2, PEt3, PBun3, n= 3 and L = PPri3, P(C6H11)3, n= 2 it has proved possible to measure the equilibrium constant, ΔH⊖, and ΔS⊖ for [PtLn+1]⇌[PtLn]+ L. For [Pt(PMe3)4], [Pt(PMe2Ph)4]
化合物[专利文献4 ](L = PME 3,PME 2 PH,PMePh 2,PET 3,或PBU Ñ 3),[专利文献3 ] [L = PET 3,PBU Ñ 3,P(p -甲苯基)3, P(CH 2 Ph)3,PPr i 3或P(C 6 H 11)3 ]和[PtL 2 ] [L = PPr i 3,P(C 6 H 11)3或PBu t 2已制备[Ph]并显示其存在于溶液中。在L = PMePh 2,PEt 3,PBu n 3,n = 3且L = PPr i 3,P(C 6 H 11)3,n = 2的情况下,已证明可以测量平衡常数ΔH ⊖,Δ小号⊖对于专利文献ñ 1 ] ⇌ [PTL ñ ] + L的[PT(PME 3)4 ],[铂(PME 2 PH)4 ],[铂(PMePh 2)4],[Pt(PEt 3)4 ],[Pt(PBu n 3)4 ],[Pt(PPr i 3)3 ]和[Pt P(C