The coordination behavior of 2,3-bis(diphenylphosphino)maleic-<i>N</i>-phenylimide towards copper, silver, gold and palladium

Wang, Yingxia; Eichhöfer, Andreas; Weigend, Florian; Fenske, Dieter; Fuhr, Olaf

doi:10.1039/c8dt05003a

Cited by 6 publications

(2 citation statements)

References 46 publications

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“…The P1−Cu1 and P2−Cu1 bonds are quite long, about 2.28–2.3 Å, which is actually comparable to Cu 0 −P bond lengths. However, although slightly larger than average, it still falls in the acceptable range of 2.2 to 2.4 Å for copper(I) complexes [25a,b] . Additionally, the [CuCl 2 ] − unit features two short Cu−Cl bonds of 2.099 and 2.104 Å.…”

Section: Resultsmentioning

confidence: 88%

Synthesis and Coordination Behavior of a New Hybrid Bidentate Ligand with Phosphine and Silylene Donors

Nazish

Siddiqui

Sarkar

et al. 2020

Chemistry A European J

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This work describes the synthesis and coordination behavior of a new mixed‐donor ligand PhC(NtBu)2SiC6H4PPh2 (1) containing both silylene and phosphine donor sites. Ligand 1 was synthesized from a reaction of ortho‐lithiated diphenylphosphinobenzene (LiC6H4PPh2) with chlorosilylene (PhC(NtBu)2SiCl). Treatment of 1 with Se and GeCl2 resulted in SiIV compounds 2 and 3 by selective oxidation of the silylene donor. This strong σ‐donor ligand induces dissociation of CuCl and PhBCl2 leading to formation of ionic complexes 4 and 5 respectively. The reaction of 1 with ZnCl2 and AlCl3 resulted in the formation of chelate complexes 5 and 7, respectively, while treatment with EtAlCl2 and GaCl3 forms monodentate complexes 8 and 9. X‐ray analysis of 4 showed that the copper is in the spiro center of the two five‐membered rings. Moreover, the copper(I)chloride has not been oxidized but dissociates to Cu+ and [CuCl2]−. All the compounds are well characterized by mass spectrometry, elemental analysis, NMR spectroscopy, and single‐crystal X‐ray diffraction studies.

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Section: Resultsmentioning

confidence: 88%

Synthesis and Coordination Behavior of a New Hybrid Bidentate Ligand with Phosphine and Silylene Donors

Nazish

Siddiqui

Sarkar

et al. 2020

Chemistry A European J

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show abstract

“…CSD analysis (Conquest 2.0.5) of the interactions formed by imide nitrogen atoms confirms the possibility that they can function as electrophiles (Table S.4). For instance, the electrophilic role played by imide nitrogen atoms in some interactions is unequivocally proven by the fact that the atom interacting with the nitrogen can be not only an oxygen or another neutral atom possessing a lone pair but also an anion. − …”

Section: Resultsmentioning

confidence: 99%

Tetrel and Pnictogen Bonds Complement Hydrogen and Halogen Bonds in Framing the Interactional Landscape of Barbituric Acids

Kumar

Scilabra

Politzer

et al. 2020

Crystal Growth & Design

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Experimental and theoretical studies of fluoro-, chloro-, and bromo-substituted derivatives of barbituric acid and indandione show that imide protons form short hydrogen bonds and bromine or, to a lesser extent, chlorine atoms form halogen bonds. The imide nitrogen atoms act as effective pnictogen bond donors, while C(sp 2 ) and C(sp 3 ) atoms act as tetrel bond donors; the resulting N•••O and C•••O close interactions are a distinctive feature of crystal lattices in all compounds. Importantly, halogen atoms promote the electrophilicity of C(sp 3 ) sites and favor the formation of C(sp 3 )•••O close contacts. Oxygen atoms of carbonyl groups of barbituric and indandione units or of water molecules function as the interaction acceptor sites: namely, they donate electron density to hydrogen, halogen, nitrogen, and carbon atoms. Modeling of various barbituric acid derivatives indicates that the positive electrostatic potentials of π-holes orthogonal to the C(sp 2 ) carbons and σ-holes on the elongation of quasi-axial F/Cl/Br−C(sp 3 ) bonds merge to produce a single well-defined point of the most positive electrostatic potential on one face of the barbituric acids. This single local maximum of the potential on the molecular face is close to the site occupied by the oxygen forming the C(sp 3 )•••O, and C(sp 2 )•••O, short contacts observed in crystals.

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Crystal structure and magnetic interactions of a new alkoxido and azido bridged 1D copper(II) coordination polymer

Bikas

Korabik

Sanchiz

et al. 2021

Journal of Solid State Chemistry

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The coordination behavior of 2,3-bis(diphenylphosphino)maleic-N-phenylimide towards copper, silver, gold and palladium

Abstract: In the coordination sphere of copper, silver and palladium 2,3-bis(diphenylphosphino)maleic-N-phenylimide can act as a radical, non-innocent ligand.

Cited by 6 publications

References 46 publications

Synthesis and Coordination Behavior of a New Hybrid Bidentate Ligand with Phosphine and Silylene Donors

Synthesis and Coordination Behavior of a New Hybrid Bidentate Ligand with Phosphine and Silylene Donors

Tetrel and Pnictogen Bonds Complement Hydrogen and Halogen Bonds in Framing the Interactional Landscape of Barbituric Acids

Crystal structure and magnetic interactions of a new alkoxido and azido bridged 1D copper(II) coordination polymer

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