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

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posted on 2023-06-09, 02:20 authored by Amy J Saunders, Ian CrossleyIan Crossley, S Mark Roe
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.

Funding

The Development and Application of Organometallic Cyaphide Chemistry. University Research Fellowship (Fellow: Ian Crossley); G0136; ROYAL SOCIETY; 516002.K501/SC

Polymetallaphosphacarbons: Toward phosphorus-doped organometallic molecular wires; G1182; ROYAL SOCIETY; UF120021

Crossley - Conjugate phosphapolyynyls: en route to functional phosphaorganometallic polymers; G0200; LEVERHULME TRUST; F/00 230/AL

History

Publication status

  • Published

File Version

  • Accepted version

Journal

European Journal of Inorganic Chemistry

ISSN

1434-1948

Publisher

Wiley-VCH Verlag

Issue

25

Volume

2016

Page range

4076-4082

Department affiliated with

  • Chemistry Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-08-10

First Open Access (FOA) Date

2017-08-10

First Compliant Deposit (FCD) Date

2016-08-10

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