The structure of bis(diphenylphosphinoacetato)palladium(II)

Civiš, Svatopluk; Podlahová, J.; Loub, J.; Ječný, J.

doi:10.1107/s0567740880006152

Cited by 17 publications

(3 citation statements)

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“…The Pd-O bond distances of 2.076 (3) and 2.082 (3) Å are slightly longer than those found in other Ocoordinated Pd II complexes (Johansson & Oskarsson, 2001; Kirik et al, 2004). The Pd-P bond distances of 2.214 (1) and 2.216 (1) Å are in accordance with the values usually encountered in related compounds (Fernandez-Rivas et al, 2001;Civiš et al, 1980). The molecular packing is stabilized by intermolecular C-HÁ Á ÁO interactions (Table 2).…”

Section: Commentsupporting

confidence: 78%

Bis[(diphenylphosphino)acetato-κ²O,P]palladium(II) dichloromethane solvate

Guo¹,

Jian²,

Ren³

et al. 2005

Acta Cryst E

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The title compound, [Pd(C14H12O2P)2]·CH2Cl2, consists of mononuclear [(Ph2PCH2COO)2Pd] complexes and dichloromethane molecules in a 1:1 molar ratio. The two (diphenylphosphino)acetate ligands are coordinated to the central Pd atom by their P and O atoms, forming five‐membered chelate rings. The PdII atom has a distorted square‐planar configuration [Pd—O = 2.076 (3) and 2.082 (3) Å, and Pd—P = 2.214 (1) and 2.216 (1) Å].

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Section: Commentsupporting

confidence: 78%

Bis[(diphenylphosphino)acetato-κ²O,P]palladium(II) dichloromethane solvate

Guo¹,

Jian²,

Ren³

et al. 2005

Acta Cryst E

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“…The palladium−donor bond lengths are very similar to those reported for the analogous complex [Pd(C 6 H 4 CH 2 NMe 2 -κ 2 C 1 , N )(PhP 2 CH 2 CO 2 -κ 2 O , P )],2f but the associated angles differ, since the presence of a larger chelate ring in 8 results in opening of the P−Pd−O angle. The Pd−P and Pd−O bond lengths compare very well to those of cis -[Pd(Ph 2 PCH 2 CO 2 -κ 2 O , P ) 2 ] (average values 2.235 and 2.076 Å, respectively), whereas the Pd−P bond is significantly shorter than that in complexes with monodentate phosphinocarboxylic ligands, trans -[PdBr 2 (Ph 2 PCH 2 CO 2 H-κ P ) 2 ] (2.322(2) Å) and trans -[PdCl 2 (Hdpf-κ P )L 2 ]·2AcOH (2.363(1) Å) 16b. This corresponds to a higher trans influence of the halide and hydrocarbyl ligands, respectively, compared to O-bonded carboxylate…”

Section: Resultsmentioning

confidence: 70%

Synthesis and Structures of an Organometallic Carboxyphosphine, rac-{2-(Diphenylphosphino)ferrocenyl}acetic Acid, Related Compounds, and Palladium(II) Complexes with rac-{2-(Diphenylphosphino)ferrocenyl}acetato or Methyl rac-{2-(Diphenylphosphino)ferrocenyl}acetate and Ortho-Palladated C,N-Chelate Ligands

and

Cı́sařová

2003

Organometallics

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An organometallic carboxyphosphine, rac- [2-(diphenylphosphino)ferrocenyl]acetic acid (rac-Hpfa*), was synthesized from rac-N, N-dimethyl[2-(diphenylphosphino)ferrocenyl]methylamine by successive alkylation to rac-benzyldimethyl{2-[(diphenylphosphino)ferrocenyl]methyl}ammonium bromide (2*), a replacement of the ammonium group with CN -, and, finally, hydrolysis of the obtained rac- [2-(diphenylphosphino)ferrocenyl]acetonitrile (3*). The acid was further converted to the respective methyl ester 4, phosphine oxide 5*, and phosphine sulfide 6*. The metathesis of the in situ generated salt rac-Kpfa with di-µ-chloro-bis-{2-[(dimethylamino)methyl-κN]phenyl-κC 1 }dipalladium(II) (7) afforded a heterobimetallic complex with the chelating carboxylate pfa --κ 2 O,P and the cyclometalated C,N-ligand, [SP-4-3]-{2-[(dimethylamino-κN)methyl]phenyl-κC 1 }{rac-[2-(diphenylphosphino-κP)ferrocenyl]acetato-κO 1 }palladium(II) (8*), while the cleavage of the chloro bridges in 7 with 4 gave a complex with a P-bonded phosphino ester, [SP-4-4]-chloro{2-[(dimethylamino-κN)methyl]phenyl-κC 1 }{rac-methyl [2-(diphenylphosphino)ferrocenyl]acetate-κP}palladium(II) (9*). Compound 9 was further converted by reacting with AgClO 4 to the cationic bis(chelate) complex [SP-4-3]-{2-[(dimethylamino-κN)methyl]phenyl-κC 1 }{rac-methyl [2-(diphenylphosphino-κP)ferrocenyl]acetate-κO 2 }palladium(II) perchlorate (10*). Complex 10 was alternatively obtained by a replacement of acetonitrile ligands in bis(acetonitrile){2-[(dimethylamino)methyl]phenyl-κ 2 C 1 ,N}palladium(II) perchlorate (11) with 4. (The asterisk indicates that the solid-state structure has been determined by X-ray crystallography.

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“…In our laboratory, we have investigated the crystal structures of phosphineacetate ligands and complexes. For HA as the simplest ligand in this series, the following coordination modes were established (examples in parentheses): P-monodentate (HgBr 2 HA, Podlahova et al, 1986), Ρ,Ο-chelating (PdA 2 , Civis et al, 1980), and the simultaneous presence of both of these modes in one complex [PtBrA(HA), Hazell et al, 1981]; further coordination types are present in more complex phosphineacetates. A preliminary report of the structure of HA appeared recently (van Mechelen, 1989).…”

Section: Introductionmentioning

confidence: 99%

Crystal structure of calcium diphenylphosphineacetate

Podlahová¹,

Podlaha²,

Cı́sařová³

1990

Zeitschrift Für Kristallographie - Crystalline Materials

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The crystal structure of dicalcium tetrakis(diphenylphosphineacetate) trihydrate ethanol solvate, C 58 H 6 oCa 2 Oi2P4, was determined by single-crystal X-ray analysis. The crystals are triclinic, PT, a = 12.426(2), b = 15.279(4), c = 16.840(3) Ä, α = 100.23(2), β = 108.46(2), y = 92.86(2)°, V = 2965(1) A 3 , Ζ = 2, D x = 1.290, D m = 1.291 g cm" 3 . The structure was refined to a final value of R = 0.069 for 4253 observed reflections measured on a CAD4 diffractometer at room temperature. The structure consists of chains of CaO g coordination polyhedra sharing a common edge, and ligand anions filling the space between the chains. Water and ethanol are coordinated to Ca. The carboxylate groups are chelating to one Ca and simultaneously monodentate bridging to another Ca; phosphorus is not coordinated to Ca. Solvent molecules act as donors of hydrogen bonds operating exclusively along the chains.

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The structure of bis(diphenylphosphinoacetato)palladium(II)

Cited by 17 publications

References 2 publications

Bis[(diphenylphosphino)acetato-κ²O,P]palladium(II) dichloromethane solvate

Bis[(diphenylphosphino)acetato-κ²O,P]palladium(II) dichloromethane solvate

Crystal structure of calcium diphenylphosphineacetate

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The structure of bis(diphenylphosphinoacetato)palladium(II)

Cited by 17 publications

References 2 publications

Bis[(diphenylphosphino)acetato-κ2O,P]palladium(II) dichloromethane solvate

Bis[(diphenylphosphino)acetato-κ2O,P]palladium(II) dichloromethane solvate

Crystal structure of calcium diphenylphosphineacetate

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Bis[(diphenylphosphino)acetato-κ²O,P]palladium(II) dichloromethane solvate

Bis[(diphenylphosphino)acetato-κ²O,P]palladium(II) dichloromethane solvate