Synthesis and Molecular Structure of [Ru3(CO)10(μ‐dppa)] (dppa = Ph2PN(H)PPh2) Provided by Its Dioxane Solvate

Böttcher, Hans‐Christian; Heinemann, Jan

doi:10.1002/zaac.202000359

Cited by 4 publications

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“…Small bite-angle diphosphines such as the ubiquitous dppm [bis(diphenylphosphino) methane] have attracted much interest over the years as an excellent chelating or bridging ligand for mononuclear and polynuclear metal centres. Closely related to dppm, namely dppa [bis(diphenylphosphino)amine, Figure 3], has also been widely studied as an excellent coordinating ligand [27][28][29][30]. One further attractive advantage of dppa, over dppm, is the ease by which it is possible to further functionalise the central amine with a range of different substituents and some highlights to demonstrate this behaviour will be reviewed here.…”

Section: Synthesis Of Selected Examplesmentioning

confidence: 99%

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The Backbone of Success of P,N-Hybrid Ligands: Some Recent Developments

Smith

2022

Molecules

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Organophosphorus ligands are an invaluable family of compounds that continue to underpin important roles in disciplines such as coordination chemistry and catalysis. Their success can routinely be traced back to facile tuneability thus enabling a high degree of control over, for example, electronic and steric properties. Diphosphines, phosphorus compounds bearing two separated PIII donor atoms, are also highly valued and impart their own unique features, for example excellent chelating properties upon metal complexation. In many classical ligands of this type, the backbone connectivity has been based on all carbon spacers only but there is growing interest in embedding other donor atoms such as additional nitrogen (–NH–, –NR–) sites. This review will collate some important examples of ligands in this field, illustrate their role as ligands in coordination chemistry and highlight some of their reactivities and applications. It will be shown that incorporation of a nitrogen-based group can impart unusual reactivities and important catalytic applications.

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Section: Synthesis Of Selected Examplesmentioning

confidence: 99%

“…− ) [27][28][29][30]. Furthermore, like dppm, it is possible to deprotonate the -NH-proton to give the corresponding diphenylphosphinoamido anion which could also coordinate to metal centres.…”

Section: Importance Of -N(r)-backbone Functionality In P-n-p Ligandsmentioning

confidence: 99%

The Backbone of Success of P,N-Hybrid Ligands: Some Recent Developments

Smith

2022

Molecules

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Electron‐Deficient Triruthenium Clusters Containing Small Bite‐Angle PNP‐Ligands

Böttcher

Heinemann

2021

Zeitschrift anorg allge chemie

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The ketyl-induced reaction of [Ru 3 (CO) 12 ] with N,N-bis (diphenylphosphanyl)n-propylamine (dpppra) in THF resulted in the expected metal cluster [Ru 3 (CO) 10 (μ-dpppra)] (2) in high yield. Compound 2 reacted in refluxing heptane with PBu t 2 H affording a new derivative of the rare type of 46-valence electron clusters [Ru 3 (μ-CO)(CO) 4 (μ-dpppra)(μ 3 -H)(μ-H)(μ-PtBu 2 ) 2 ](3) in good yield. The related cluster [Ru 3 (μ-CO)(CO) 4 (μdppa)(μ 3 -H)(μ-H)(μ-PtBu 2 ) 2 ] (4) (dppa = bis(diphenylphosphanyl) amine) was obtained in a similar manner in comparable yields. Compounds 2, 3, and 4 were spectroscopically characterized and their molecular structures in the solid were confirmed by single-crystal X-ray analysis.

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