Preparation, Structure, and Reactivity of [Fe{CH(PPh2)3}(C5H5)[PF6], a Monometallic, η3Complex of Tris(diphenylphosphino)methane

James D. Goodrich; John P. Selegue

doi:10.1021/om00123a033

Preparation, Structure, and Reactivity of [Fe{CH(PPh₂)₃}(C₅H₅)[PF₆], a Monometallic, η³Complex of Tris(diphenylphosphino)methane

James D. Goodrich, John P. Selegue

Chemistry

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

23 Scopus citations

Abstract

Ultraviolet irradiation of [Fe(p-xylene)(Cp)]- [PF₆] and tris(diphenylphosphino)methane (tppm) gives [Fe{HC(PPh₂)₃}(Cp)] [PF₆] in 96% yield. Crystal structure analysis (R = 6.2%) shows that all three phosphorus atoms are coordinated to the Iron atom, providing the first example of η³ coordination of tppm on a single metal. There is considerable strain in the tricyclic system, with all three P-C-P angles less than 90°. One Fe-P bond is easily opened by refluxing acetonitrile, giving [Fe-(MeCN)η²-tppm)(Cp)][PF₆].

Original language	English
Pages (from-to)	798-800
Number of pages	3
Journal	Organometallics
Volume	4
Issue number	4
DOIs	https://doi.org/10.1021/om00123a033
State	Published - Apr 1985

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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title = "Preparation, Structure, and Reactivity of [Fe{CH(PPh2)3}(C5H5)[PF6], a Monometallic, η3Complex of Tris(diphenylphosphino)methane",

abstract = "Ultraviolet irradiation of [Fe(p-xylene)(Cp)]- [PF6] and tris(diphenylphosphino)methane (tppm) gives [Fe{HC(PPh2)3}(Cp)] [PF6] in 96% yield. Crystal structure analysis (R = 6.2%) shows that all three phosphorus atoms are coordinated to the Iron atom, providing the first example of η3 coordination of tppm on a single metal. There is considerable strain in the tricyclic system, with all three P-C-P angles less than 90°. One Fe-P bond is easily opened by refluxing acetonitrile, giving [Fe-(MeCN)η2-tppm)(Cp)][PF6].",

author = "Goodrich, {James D.} and Selegue, {John P.}",

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T1 - Preparation, Structure, and Reactivity of [Fe{CH(PPh2)3}(C5H5)[PF6], a Monometallic, η3Complex of Tris(diphenylphosphino)methane

AU - Goodrich, James D.

AU - Selegue, John P.

PY - 1985/4

Y1 - 1985/4

N2 - Ultraviolet irradiation of [Fe(p-xylene)(Cp)]- [PF6] and tris(diphenylphosphino)methane (tppm) gives [Fe{HC(PPh2)3}(Cp)] [PF6] in 96% yield. Crystal structure analysis (R = 6.2%) shows that all three phosphorus atoms are coordinated to the Iron atom, providing the first example of η3 coordination of tppm on a single metal. There is considerable strain in the tricyclic system, with all three P-C-P angles less than 90°. One Fe-P bond is easily opened by refluxing acetonitrile, giving [Fe-(MeCN)η2-tppm)(Cp)][PF6].

AB - Ultraviolet irradiation of [Fe(p-xylene)(Cp)]- [PF6] and tris(diphenylphosphino)methane (tppm) gives [Fe{HC(PPh2)3}(Cp)] [PF6] in 96% yield. Crystal structure analysis (R = 6.2%) shows that all three phosphorus atoms are coordinated to the Iron atom, providing the first example of η3 coordination of tppm on a single metal. There is considerable strain in the tricyclic system, with all three P-C-P angles less than 90°. One Fe-P bond is easily opened by refluxing acetonitrile, giving [Fe-(MeCN)η2-tppm)(Cp)][PF6].

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Preparation, Structure, and Reactivity of [Fe{CH(PPh₂)₃}(C₅H₅)[PF₆], a Monometallic, η³Complex of Tris(diphenylphosphino)methane

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