Synthesis, reactivity, and theoretical studies of the eta(2)(4e)-bonded phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P CBut}][B(C6F5)(4)] and the molybdenum-mediated cyclocotrimerization of alkyne and phosphaalkyne Ligands

A D Burrows; N Carr; M Green; J M Lynam; M F Mahon; M Murray; B Kiran; M T Nguyen; C Jones

doi:10.1021/om020169g

Synthesis, reactivity, and theoretical studies of the eta(2)(4e)-bonded phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P CBut}][B(C6F5)(4)] and the molybdenum-mediated cyclocotrimerization of alkyne and phosphaalkyne Ligands

A D Burrows, N Carr, M Green, J M Lynam, M F Mahon, M Murray, B Kiran, M T Nguyen, C Jones

Department of Chemistry

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

15 Citations (SciVal)

Abstract

Whereas the cations [CpMo{P(OMe)(3)}(2){eta(2)(4e)-alkyne}](+) do not react with alkynes or P=CBut, the newly synthesized isostructural phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P=CBut}][B(C6F5)(4)], which is unreactive towards PhC2Ph, readily reacts via an associative stepwise process with P=CBut to give [CpMo{P(OMe)(3)}(2){eta(4)-1,3-P2C2Bu2t}][B(C6F5)(4)]. A further interesting difference in alkyne and phosphaalkyne chemistry was observed when it was found that CpMoCl(CO){eta(2)(4e)-PhC2Ph} reacts with TlPF6 and P=CBut to give the unusual 16-electron cyclocotrimerization product [CpMo{=C(Bu-t)PC(Bu-t)=PC(Ph)=C(Ph)}(CO)][PF6], identified by single-crystal X-ray crystallography.

Original language	English
Pages (from-to)	3076-3078
Number of pages	3
Journal	Organometallics
Volume	21
Issue number	15
DOIs	https://doi.org/10.1021/om020169g
Publication status	Published - 2002

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ID number: ISI:000176869300002

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Burrows, A. D., Carr, N., Green, M., Lynam, J. M., Mahon, M. F., Murray, M., Kiran, B., Nguyen, M. T., & Jones, C. (2002). Synthesis, reactivity, and theoretical studies of the eta(2)(4e)-bonded phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P CBut}][B(C6F5)(4)] and the molybdenum-mediated cyclocotrimerization of alkyne and phosphaalkyne Ligands. Organometallics, 21(15), 3076-3078. https://doi.org/10.1021/om020169g

Synthesis, reactivity, and theoretical studies of the eta(2)(4e)-bonded phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P CBut}][B(C6F5)(4)] and the molybdenum-mediated cyclocotrimerization of alkyne and phosphaalkyne Ligands. / Burrows, A D; Carr, N; Green, M et al.
In: Organometallics, Vol. 21, No. 15, 2002, p. 3076-3078.

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

Burrows, AD, Carr, N, Green, M, Lynam, JM, Mahon, MF, Murray, M, Kiran, B, Nguyen, MT & Jones, C 2002, 'Synthesis, reactivity, and theoretical studies of the eta(2)(4e)-bonded phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P CBut}][B(C6F5)(4)] and the molybdenum-mediated cyclocotrimerization of alkyne and phosphaalkyne Ligands', Organometallics, vol. 21, no. 15, pp. 3076-3078. https://doi.org/10.1021/om020169g

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title = "Synthesis, reactivity, and theoretical studies of the eta(2)(4e)-bonded phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P CBut}][B(C6F5)(4)] and the molybdenum-mediated cyclocotrimerization of alkyne and phosphaalkyne Ligands",

abstract = "Whereas the cations [CpMo{P(OMe)(3)}(2){eta(2)(4e)-alkyne}](+) do not react with alkynes or P=CBut, the newly synthesized isostructural phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P=CBut}][B(C6F5)(4)], which is unreactive towards PhC2Ph, readily reacts via an associative stepwise process with P=CBut to give [CpMo{P(OMe)(3)}(2){eta(4)-1,3-P2C2Bu2t}][B(C6F5)(4)]. A further interesting difference in alkyne and phosphaalkyne chemistry was observed when it was found that CpMoCl(CO){eta(2)(4e)-PhC2Ph} reacts with TlPF6 and P=CBut to give the unusual 16-electron cyclocotrimerization product [CpMo{=C(Bu-t)PC(Bu-t)=PC(Ph)=C(Ph)}(CO)][PF6], identified by single-crystal X-ray crystallography.",

author = "Burrows, {A D} and N Carr and M Green and Lynam, {J M} and Mahon, {M F} and M Murray and B Kiran and Nguyen, {M T} and C Jones",

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T1 - Synthesis, reactivity, and theoretical studies of the eta(2)(4e)-bonded phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P CBut}][B(C6F5)(4)] and the molybdenum-mediated cyclocotrimerization of alkyne and phosphaalkyne Ligands

AU - Burrows, A D

AU - Carr, N

AU - Green, M

AU - Lynam, J M

AU - Mahon, M F

AU - Murray, M

AU - Kiran, B

AU - Nguyen, M T

AU - Jones, C

N1 - ID number: ISI:000176869300002

PY - 2002

Y1 - 2002

N2 - Whereas the cations [CpMo{P(OMe)(3)}(2){eta(2)(4e)-alkyne}](+) do not react with alkynes or P=CBut, the newly synthesized isostructural phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P=CBut}][B(C6F5)(4)], which is unreactive towards PhC2Ph, readily reacts via an associative stepwise process with P=CBut to give [CpMo{P(OMe)(3)}(2){eta(4)-1,3-P2C2Bu2t}][B(C6F5)(4)]. A further interesting difference in alkyne and phosphaalkyne chemistry was observed when it was found that CpMoCl(CO){eta(2)(4e)-PhC2Ph} reacts with TlPF6 and P=CBut to give the unusual 16-electron cyclocotrimerization product [CpMo{=C(Bu-t)PC(Bu-t)=PC(Ph)=C(Ph)}(CO)][PF6], identified by single-crystal X-ray crystallography.

AB - Whereas the cations [CpMo{P(OMe)(3)}(2){eta(2)(4e)-alkyne}](+) do not react with alkynes or P=CBut, the newly synthesized isostructural phosphaalkyne complex [CpMo{P(OMe)(3)}(2){eta(2)(4e)-P=CBut}][B(C6F5)(4)], which is unreactive towards PhC2Ph, readily reacts via an associative stepwise process with P=CBut to give [CpMo{P(OMe)(3)}(2){eta(4)-1,3-P2C2Bu2t}][B(C6F5)(4)]. A further interesting difference in alkyne and phosphaalkyne chemistry was observed when it was found that CpMoCl(CO){eta(2)(4e)-PhC2Ph} reacts with TlPF6 and P=CBut to give the unusual 16-electron cyclocotrimerization product [CpMo{=C(Bu-t)PC(Bu-t)=PC(Ph)=C(Ph)}(CO)][PF6], identified by single-crystal X-ray crystallography.

U2 - 10.1021/om020169g

DO - 10.1021/om020169g

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