Influence of the electronic effects of phosphine ligands upon the properties of cyclopalladated complexes containing a σ(Pd—Csp2, ferrocene)bond X-Ray crystal structures of [Pd{(η5-C5H5)Fe[(η5-C5H3)C(Me)ξN(C6H4-4-Me)]}Cl(PPh3)] and [Pd{(η5-C5H5)Fe[(η5-C5H3)CH2NMe2]}Cl(PPh3)]

1998 ◽  
Vol 22 (9) ◽  
pp. 977-982 ◽  
Author(s):  
Concepción López ◽  
Ramón Bosque ◽  
Xavier Solans ◽  
Mercè Font-Bardia
Keyword(s):  
Crystal Structures ◽  
Phosphine Ligands ◽  
Electronic Effects ◽  
X Ray ◽  
Cyclopalladated Complexes

Substituenteneinflüsse auf Synthese und Eigenschaften von Hexakis[phosphanaurio(I)]methanium(2+)bis(tetrafluoroboraten) / Substituent Effects in Synthesis and Properties of Hexakis[phosphineaurio(I)]methanium(2 +) Bis(tetrafluoroborates)

1992 ◽  
Vol 47 (12) ◽  
pp. 1725-1735 ◽  
Author(s):  
Hubert Schmidbaur ◽  
Benno Brachthäuser ◽  
Siegfried Gamper ◽  
Annette Schier ◽  
Oliver Steigelmann
Keyword(s):  
Nmr Spectra ◽  
Room Temperature ◽  
Substituent Effects ◽  
Reaction Times ◽  
Phosphine Ligands ◽  
Electronic Effects ◽  
X Ray ◽  
Magnetic Resonance Parameters ◽  
Interstitial Carbon Atom ◽  
C Nmr

Polyaurated carbon complexes of the type [(L–Au)6C]2+ with functionalized phosphine ligands have been prepared by the reaction of the phosphinegold(I) chlorides R(Ph)2PAuCl (R = p-C6H4-Cl 2a,p-C6H4-Br 2b,p-C6H4-CH3 2c,p-C6H4-OCH3 2d,p-C6H4-COOH 2e, p-C6H4–N(CH3)2 2f), R2(Ph)PAuCl (R = p-C6H4-N(CH3)2 2g) and R3PAuCl (R = p-C6H4-N(CH3)2 2h) with tetrakis(dimethoxyboryl)methane in HMPT at room temperature. Clearly depending on the different inductive and mesomeric effects, the preparation of the clusters with substituents like –CH3 3c, –OCH3 3d and –N(CH3)2 3f needs shorter reaction times and the products show better solubility in organic solvents than those with functional groups like –Cl 3a, –Br 3b and –COOH 3e. The 31P magnetic resonance parameters are correlated with electronic effects of the substituents, but the chemical shift of the interstitial carbon atom in the 13C-NMR spectra is largely independent of the coordinating ligands. For the phosphinegold(I) chlorides 2f–h X-ray structure analyses have been performed.

Tetradentate bis-phosphine ligands (P2N2 and P2S2) and their Rh(III), Ni(II) and 105Rh Complexes: X-ray crystal structures of trans-[RhCl2(L2)]PF6, [Ni(L2)](PF6)2 and μ-O2SO2-[Ni(L5)]2(PF6)2

2011 ◽  
Vol 38 (1) ◽  
pp. 63-76 ◽  
Author(s):  
Aldo Cagnolini ◽  
Beau Ballard ◽  
Hendrick P. Engelbrecht ◽  
Tammy L. Rold ◽  
Charles Barnes ◽  
...  
Keyword(s):  
Crystal Structures ◽  
Phosphine Ligands ◽  
X Ray
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