Ligating similarities between the novel five-electron-donor h 4-P3C2But2(R)H ring system (R=CH(SiMe3)2) and the h 5-cyclopentadienyl ring. Syntheses crystal and molecular structures of[Co2(CO)5( m -P3C2But2CH(SiMe3)2)] and [Co(CO)2( h 4-P3C2But2H(CH(S

Hitchcock, Peter B, Nixon, John F and Sakarya, Nurgun (2000) Ligating similarities between the novel five-electron-donor h 4-P3C2But2(R)H ring system (R=CH(SiMe3)2) and the h 5-cyclopentadienyl ring. Syntheses crystal and molecular structures of[Co2(CO)5( m -P3C2But2CH(SiMe3)2)] and [Co(CO)2( h 4-P3C2But2H(CH(S. Journal of Organometallic Chemistry, 601. 335 - 340. ISSN 0022-328X

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Abstract

Treatment of the 1,2,4-triphosphole, P3C2But2(CH(SiMe3)2), with [Co2(CO)8] in THF under mild conditions affords the binuclear complex [Co2(CO)5(μ-P3C2But2CH(SiMe3)2)], in which the ring acts as a six-electron-donor. Under slightly more vigorous reaction conditions an H-transfer reaction occurs (presumably from the solvent) to afford the mononuclear compound [Co(CO)2(P3C2But2H(CH(SiMe3)2)] containing an η4-ligated five-electron-donor P3C2But2H(CH(SiMe3)2 ring system. The molecular structures of both compounds have been determined by single-crystal X-ray diffraction studies.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Depositing User: John Nixon
Date Deposited: 06 Feb 2012 21:19
Last Modified: 17 Jul 2013 14:04
URI: http://sro.sussex.ac.uk/id/eprint/30758
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