Synthesis of a vinylphosphine substituted cobalt lactonyl complex and insertion of CO into the lactonyl ring: Crystal structures of [Co{PPh2CPh=CPhCOC(O)CPhCPh}(CO)2] and [Co{PPh2CPh=CPhCC(O)OC(O)CPhCPh}(CO)2]

Andrew J. Edwards; Martin J. Mays; Paul R. Raithby; Gregory A. Solan

doi:10.1021/om960150b

Synthesis of a vinylphosphine substituted cobalt lactonyl complex and insertion of CO into the lactonyl ring: Crystal structures of [Co{PPh₂CPh=CPhCOC(O)CPhCPh}(CO)₂] and [Co{PPh₂CPh=CPhCC(O)OC(O)CPhCPh}(CO)₂]

Andrew J. Edwards, Martin J. Mays, Paul R. Raithby, Gregory A. Solan

University of Cambridge

Research output: Contribution to journal › Article › peer-review

10 Citations (SciVal)

Abstract

Two new cobalt complexes, [Co{PPh₂C-Ph=CPhCOCC(O)CPhCPh}(CO)₂] (4) and [Co{PPh₂-CPh=CPhCC(O)OC(O)CPhCPh}(CO)₂] (5), have been synthesized and spectroscopically and structurally characterized. Complex 4 is the major product of the condensation reaction of [Co₂(μ-PPh₂)₂(CO)₆] with diphenylacetylene under carbon monoxide pressure, while 5 is obtained from the reaction of 4 with sodium naphthalenide followed by [(η⁵-C₅H₅)Fe(CO)₂Cl]. The X-ray structures of 4 and 5 reveal the cobalt atoms to be respectively chelated by lactonyl and cyclic anhydride substituted vinylphosphines, so that 5 is formally derived from 4 by insertion of CO into the lactonyl ring.

Original language	English
Pages (from-to)	4085-4088
Number of pages	4
Journal	Organometallics
Volume	15
Issue number	19
DOIs	https://doi.org/10.1021/om960150b
Publication status	Published - 17 Sept 1996

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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Synthesis of a vinylphosphine substituted cobalt lactonyl complex and insertion of CO into the lactonyl ring: Crystal structures of [Co{PPh₂CPh=CPhCOC(O)CPhCPh}(CO)₂] and [Co{PPh₂CPh=CPhCC(O)OC(O)CPhCPh}(CO)₂]. / Edwards, Andrew J.; Mays, Martin J.; Raithby, Paul R. et al.
In: Organometallics, Vol. 15, No. 19, 17.09.1996, p. 4085-4088.

Research output: Contribution to journal › Article › peer-review

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title = "Synthesis of a vinylphosphine substituted cobalt lactonyl complex and insertion of CO into the lactonyl ring: Crystal structures of [Co\{PPh2CPh=CPhCOC(O)CPhCPh\}(CO)2] and [Co\{PPh2CPh=CPhCC(O)OC(O)CPhCPh\}(CO)2]",

abstract = "Two new cobalt complexes, [Co\{PPh2C-Ph=CPhCOCC(O)CPhCPh\}(CO)2] (4) and [Co\{PPh2-CPh=CPhCC(O)OC(O)CPhCPh\}(CO)2] (5), have been synthesized and spectroscopically and structurally characterized. Complex 4 is the major product of the condensation reaction of [Co2(μ-PPh2)2(CO)6] with diphenylacetylene under carbon monoxide pressure, while 5 is obtained from the reaction of 4 with sodium naphthalenide followed by [(η5-C5H5)Fe(CO)2Cl]. The X-ray structures of 4 and 5 reveal the cobalt atoms to be respectively chelated by lactonyl and cyclic anhydride substituted vinylphosphines, so that 5 is formally derived from 4 by insertion of CO into the lactonyl ring.",

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T1 - Synthesis of a vinylphosphine substituted cobalt lactonyl complex and insertion of CO into the lactonyl ring

T2 - Crystal structures of [Co{PPh2CPh=CPhCOC(O)CPhCPh}(CO)2] and [Co{PPh2CPh=CPhCC(O)OC(O)CPhCPh}(CO)2]

AU - Edwards, Andrew J.

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AU - Solan, Gregory A.

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AB - Two new cobalt complexes, [Co{PPh2C-Ph=CPhCOCC(O)CPhCPh}(CO)2] (4) and [Co{PPh2-CPh=CPhCC(O)OC(O)CPhCPh}(CO)2] (5), have been synthesized and spectroscopically and structurally characterized. Complex 4 is the major product of the condensation reaction of [Co2(μ-PPh2)2(CO)6] with diphenylacetylene under carbon monoxide pressure, while 5 is obtained from the reaction of 4 with sodium naphthalenide followed by [(η5-C5H5)Fe(CO)2Cl]. The X-ray structures of 4 and 5 reveal the cobalt atoms to be respectively chelated by lactonyl and cyclic anhydride substituted vinylphosphines, so that 5 is formally derived from 4 by insertion of CO into the lactonyl ring.

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