Preparation and coordination chemistry of N-diallylaminodiphenylphosphine and N-allylaminobis(diphenyl)phosphine

Slawin, Alexandra M. Z.; Milton, Heather L.; Wheatley, Joanne; Woollins, J. Derek

doi:10.1016/j.poly.2004.09.017

Cited by 19 publications

(6 citation statements)

References 30 publications

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“…The bond distances to palladium fall within the range observed for other complexes of the type cis-[PdCl 2 ( 2 -C=C)(PR 3 )]. 20,21,22,23,24 Consistent with moderate Pdπ*(C=C) retro-donation, the C(2)=C(3) bond in 3 10 (1.359(3) Å) is longer than the corresponding bond in an uncoordinated analogue of 2, N-BOC-aza-benzonorbornadiene oxadisilole (1.315(4) Å). 25 In complex 4, the Pd coordination geometry is distortedtetrahedral, with the Md-Pd-P planes of the two P-alkene 15 ligands forming an 89.1° dihedral angle.…”

Section: 2mentioning

confidence: 93%

“…Access to a pathway along which phosphonium salts may be generated is consistent with the formation of Ph 4 PI having been observed following Heck coupling reactions involving [PdI(Ph)(PPh 3 ) 2 ] procatalysts. In conclusion, by combining a readily prepared, poorlydonating phosphine component with a strongly π-accepting alkene moiety in a single bidentate ligand framework, 2, it has 20 been possible to efficiently promote reductive elimination from Pd II complexes. The effectiveness of ligand 2 is attributed, in part, to its ability to form a stable bis(phosphinealkene)Pd 0 complex, 4, together with its cis-bidentate coordination.…”

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confidence: 99%

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Phosphine–alkene ligand-mediated alkyl–alkyl and alkyl–halide elimination processes from palladium(ii)

et al. 2012

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Section: 2mentioning

confidence: 93%

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confidence: 99%

Phosphine–alkene ligand-mediated alkyl–alkyl and alkyl–halide elimination processes from palladium(ii)

et al. 2012

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“…The ligand coordinates to W 0 , Ru II , Rh I , Pd II and Pt II and both, κ 1 :η 2 -and κ 1 -coordination, were observed. [23] For Rh I complexes with type I, III, IV and V ligands, trigonal bipyramidal (TBP) structures were observed. [24] Scheme 1.…”

Section: Introductionmentioning

confidence: 99%

Tris(dibenzo[a,d]cycloheptenyl)phosphane: A Bulky Monodentate or Tetrapodal Ligand

Fischbach

Rüegger

2007

Eur J Inorg Chem

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The tetradendate phosphane tris(5H‐dibenzo[a,d]cyclohepten‐5‐yl)phosphane (trop3P, 1) was synthesized from tris(trimethylsilyl)phosphane and 5‐chloro‐5H‐dibenzo[a,d]cycloheptene. Sulfurization of 1 with elemental sulfur led to trop3P=S. Complexes of 1 with AgI, AuI, RhI, IrI, and PdII were prepared. The structures of trop3P (1), trop3P=S (2), [AgCl(trop3P)] (3), [Au(trop3P)(MeCN)]PF6 (5), [RhCl(trop3P)] (6) and [Pd(trop3P)(H2O)](OTf)2 (9) were determined by X‐ray diffraction studies. In the coinage metal complexes, 1 serves as monodentate extremely bulky κ1‐phosphane ligand (cone angle ca. 250°). In the RhI, IrI, and PdII complexes, 1 acts as tetradendate ligand. CP MAS NMR spectroscopy shows that the span of the chemical shift tensor increases in 7, 6, and 9 in this order (Ω = 310 ppm, 410 ppm, 465 ppm) and contains two strongly deshielded components, which are responsible for the unusual high frequency isotropic shift of the 31P resonances. This property correlates inversely with the metal to olefin backbonding (M→C=Ctrop) and δ(31P) decreases with increasing M→C=Ctrop in the order 9 (δ = 260 ppm) > 7 (δ = 196 ppm) > 6 (δ = 135 ppm) > 3 (δ = –30.9 ppm). (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)

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“…The nitrogen atom is nearly planar as evidenced by the sum of angles about nitrogen being 359.51° for 1 . The P–N–P [123.59(9)°] bond angle in 1 are significantly within the range for those in the free diphosphinoamine ligands , …”

Section: Resultsmentioning

confidence: 77%

Synthesis, X‐ray Structures, and Photoluminescence of the Octahedral Cu₄I₄ Cluster with Bulky Bidentate Bis(phosphanyl)amine Ligand

Al‐Masri

Almejled

2020

Zeitschrift anorg allge chemie

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The reaction of C 10 H 7 -1-N(PPh 2 ) 2 (1) with two equivalents of CuI in acetonitrile resulted in the formation of octahedron Cu 4 I 4 [1] 2 complex (2). The crystal structure of 2 showed it adopted a rare octahedral arrangement. The rectangular Cu 4 plane is μ 4 -capped by two of the iodides and is placed in axial positions above and below the Cu 4plane form an octahedron, whereas the other two iodides are bonded to two copper atoms in a μ 2 -fashion. The luminescence of complex 2

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Preparation and coordination chemistry of N-diallylaminodiphenylphosphine and N-allylaminobis(diphenyl)phosphine

Cited by 19 publications

References 30 publications

Phosphine–alkene ligand-mediated alkyl–alkyl and alkyl–halide elimination processes from palladium(ii)

Phosphine–alkene ligand-mediated alkyl–alkyl and alkyl–halide elimination processes from palladium(ii)

Tris(dibenzo[a,d]cycloheptenyl)phosphane: A Bulky Monodentate or Tetrapodal Ligand

Synthesis, X‐ray Structures, and Photoluminescence of the Octahedral Cu₄I₄ Cluster with Bulky Bidentate Bis(phosphanyl)amine Ligand

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Preparation and coordination chemistry of N-diallylaminodiphenylphosphine and N-allylaminobis(diphenyl)phosphine

Cited by 19 publications

References 30 publications

Phosphine–alkene ligand-mediated alkyl–alkyl and alkyl–halide elimination processes from palladium(ii)

Phosphine–alkene ligand-mediated alkyl–alkyl and alkyl–halide elimination processes from palladium(ii)

Tris(dibenzo[a,d]cycloheptenyl)phosphane: A Bulky Monodentate or Tetrapodal Ligand

Synthesis, X‐ray Structures, and Photoluminescence of the Octahedral Cu4I4 Cluster with Bulky Bidentate Bis(phosphanyl)amine Ligand

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Synthesis, X‐ray Structures, and Photoluminescence of the Octahedral Cu₄I₄ Cluster with Bulky Bidentate Bis(phosphanyl)amine Ligand