Reversible C-H bond activation reactions of the N-heterocyclic carbene ligands in Ru(Ph2PCH2CH2CH2PPh2)(IMes)(CO)H-2 and Ru(Ph2AsCH2CH2PPh2)(IMes)(CO)H-2 (IMes=1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene)

M J Chilvers; R F R Jazzar; M F Mahon; M K Whittlesey

doi:10.1002/adsc.200303074

Reversible C-H bond activation reactions of the N-heterocyclic carbene ligands in Ru(Ph2PCH2CH2CH2PPh2)(IMes)(CO)H-2 and Ru(Ph2AsCH2CH2PPh2)(IMes)(CO)H-2 (IMes=1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene)

M J Chilvers
, R F R Jazzar
, M F Mahon
, M K Whittlesey

Department of Chemistry

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

45 Citations (SciVal)

Abstract

Thermolysis of Ru(IMes)(dppp)(CO)H-2 (1, IMes = 1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene; dppp = Ph2PCH2CH2CH2PPh2) in the presence of trimethylvinylsilane yields Ru(I-Mes')(dppp)(CO)H (2) resulting from intramolecular ArCH2 -H C-H bond activation of the N-heterocyclic carbene ligand. The structures of 1 and 2 have been established by X-ray crystallography. Treatment of Ru(IMes)(arphos)(CO)H2 (3, arphos=Ph2AsCH2CH2PPh2) with CH2=CHSiMe3 at 85degreesC produces a mixture of three C-H activated products 4a-c. The C-H activated complexes 2 and 4a-c reform their dihydride precursors upon heating under hydrogen.

Original language	English
Pages (from-to)	1111-1114
Number of pages	4
Journal	Advanced Synthesis & Catalysis
Volume	345
Issue number	9-10
DOIs	https://doi.org/10.1002/adsc.200303074
Publication status	Published - 2003

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ID number: ISI:000185881500009

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Chilvers, M. J., Jazzar, R. F. R., Mahon, M. F., & Whittlesey, M. K. (2003). Reversible C-H bond activation reactions of the N-heterocyclic carbene ligands in Ru(Ph2PCH2CH2CH2PPh2)(IMes)(CO)H-2 and Ru(Ph2AsCH2CH2PPh2)(IMes)(CO)H-2 (IMes=1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene). Advanced Synthesis & Catalysis, 345(9-10), 1111-1114. https://doi.org/10.1002/adsc.200303074

Reversible C-H bond activation reactions of the N-heterocyclic carbene ligands in Ru(Ph2PCH2CH2CH2PPh2)(IMes)(CO)H-2 and Ru(Ph2AsCH2CH2PPh2)(IMes)(CO)H-2 (IMes=1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene). / Chilvers, M J; Jazzar, R F R; Mahon, M F et al.
In: Advanced Synthesis & Catalysis, Vol. 345, No. 9-10, 2003, p. 1111-1114.

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

Chilvers, MJ, Jazzar, RFR, Mahon, MF & Whittlesey, MK 2003, 'Reversible C-H bond activation reactions of the N-heterocyclic carbene ligands in Ru(Ph2PCH2CH2CH2PPh2)(IMes)(CO)H-2 and Ru(Ph2AsCH2CH2PPh2)(IMes)(CO)H-2 (IMes=1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene)', Advanced Synthesis & Catalysis, vol. 345, no. 9-10, pp. 1111-1114. https://doi.org/10.1002/adsc.200303074

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title = "Reversible C-H bond activation reactions of the N-heterocyclic carbene ligands in Ru(Ph2PCH2CH2CH2PPh2)(IMes)(CO)H-2 and Ru(Ph2AsCH2CH2PPh2)(IMes)(CO)H-2 (IMes=1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene)",

abstract = "Thermolysis of Ru(IMes)(dppp)(CO)H-2 (1, IMes = 1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene; dppp = Ph2PCH2CH2CH2PPh2) in the presence of trimethylvinylsilane yields Ru(I-Mes')(dppp)(CO)H (2) resulting from intramolecular ArCH2 -H C-H bond activation of the N-heterocyclic carbene ligand. The structures of 1 and 2 have been established by X-ray crystallography. Treatment of Ru(IMes)(arphos)(CO)H2 (3, arphos=Ph2AsCH2CH2PPh2) with CH2=CHSiMe3 at 85degreesC produces a mixture of three C-H activated products 4a-c. The C-H activated complexes 2 and 4a-c reform their dihydride precursors upon heating under hydrogen.",

author = "Chilvers, \{M J\} and Jazzar, \{R F R\} and Mahon, \{M F\} and Whittlesey, \{M K\}",

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T1 - Reversible C-H bond activation reactions of the N-heterocyclic carbene ligands in Ru(Ph2PCH2CH2CH2PPh2)(IMes)(CO)H-2 and Ru(Ph2AsCH2CH2PPh2)(IMes)(CO)H-2 (IMes=1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene)

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AU - Jazzar, R F R

AU - Mahon, M F

AU - Whittlesey, M K

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AB - Thermolysis of Ru(IMes)(dppp)(CO)H-2 (1, IMes = 1,3-dimesityl-1,3-dihydro-2H-imidazol-2-ylidene; dppp = Ph2PCH2CH2CH2PPh2) in the presence of trimethylvinylsilane yields Ru(I-Mes')(dppp)(CO)H (2) resulting from intramolecular ArCH2 -H C-H bond activation of the N-heterocyclic carbene ligand. The structures of 1 and 2 have been established by X-ray crystallography. Treatment of Ru(IMes)(arphos)(CO)H2 (3, arphos=Ph2AsCH2CH2PPh2) with CH2=CHSiMe3 at 85degreesC produces a mixture of three C-H activated products 4a-c. The C-H activated complexes 2 and 4a-c reform their dihydride precursors upon heating under hydrogen.

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