反式-[MCl(P 3 C 2 t Bu 2)(PR 3)2 ],反式-[M(P 3 C 2 t Bu 2)2(PR 3)的配合物的详细31 P和195 Pt NMR研究)2 ],(MPd,Pt)和顺式-[Pt(P 3 C 2 t Bu 2)2(dppe)],包括可变温度测量,已经提供了以下信息:(i)配合物的结构,(ii)涉及P 3 C 2 t Bu 2环的“增效”过程的机理,以及(iii)某些耦合常数的符号。
First examples of η<sup>1</sup>-ligated 1,2,4-triphosphacyclopentadienyl ring systems. Synthesis and fluxional behaviour of trans-[MCl(C<sub>2</sub>R<sub>2</sub>P<sub>3</sub>)(PEt<sub>3</sub>)<sub>2</sub>], (R = Bu<sup>t</sup>, adamantyl), (M = Pd, Pt); crystal and molecular structures of trans-[PtX(C<sub>2</sub>Bu<sup>t</sup><sub>2</sub>P<sub>3</sub>)(PR<sub>3</sub>)<sub>2</sub>], (X = Cl, R = Et; X = I, R = Ph)
作者:Rainer Bartsch、Duncan Carmichael、Peter B. Hitchcock、Mohamed F. Meidine、John F. Nixon、Gary J. D. Sillett
DOI:10.1039/c39880001615
日期:——
First examples of η1-ligated 1,2,4-triphosphacyclopentadienyl ring systems are described and structural features and solution fluxional behaviour are discussed.