Aroylphosphanes: base-free synthesis and their coordination chemistry with platinum-group metals

Saunders, Amy J, Crossley, Ian R and Roe, S Mark (2016) Aroylphosphanes: base-free synthesis and their coordination chemistry with platinum-group metals. European Journal of Inorganic Chemistry, 2016 (25). pp. 4076-4082. ISSN 1434-1948

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A series of aroylphosphanes have been prepared in good yield by base-free condensation of the respective aroyl chloride and HPPh2. Alongside the cyclophane m-{-C(O)- C6H4(C(O)PMe)}2 (1), the IR spectroscopic signatures of
C6H4R{C(O)PPh2} (R = 3-Me 2, 3-CH2Cl 3, 4-CO2Me 4, 4-CN 5) and the bis(aroylphosphanes) C6H4{2,6-C(O)PPh2}2 (6) and C6H3N{2,6-C(O)PPh2}2 (7) are consistent with a manifestation of “phosphomide” character; however, weight of evidence suggests negligible contribution from this canonical form. Comparison is drawn to the structurally characterised O=P(C6H5Me-2)3 (8) in which the lone pair is sequestered. The coordination of 2–5 to rhodium(I), palladium(II) and platinum(II) is described, affording rare examples of aroylphosphane complexes of the platinum-group metals.

Item Type: Article
Keywords: Phosphane ligands, Phosphanes, Transition Metals, Phosphomides, Coordination compounds
Schools and Departments: School of Life Sciences > Chemistry
Subjects: Q Science > QD Chemistry > QD0146 Inorganic chemistry
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Depositing User: Ian Crossley
Date Deposited: 10 Aug 2016 08:14
Last Modified: 14 Aug 2017 02:59

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Project NameSussex Project NumberFunderFunder Ref
Polymetallaphosphacarbons: Toward phosphorus-doped organometallic molecular wiresG1182ROYAL SOCIETYUF120021
The Development and Application of Organometallic Cyaphide Chemistry. University Research Fellowship (Fellow: Ian Crossley)G0136ROYAL SOCIETY516002.K501/SC
Crossley - Conjugate phosphapolyynyls: en route to functional phosphaorganometallic polymersG0200LEVERHULME TRUSTF/00 230/AL