Department of Chemistry

mike_whittlesey

Professor of Inorganic Chemistry

1 South 1.20

Email: M.K.Whittlesey@bath.ac.uk

Tel: +44 (0) 1225 383748

The Whittlesey Group website

 

Prof Michael Whittlesey

Profile

Our interests lie in the organometallic and coordination chemistry of late transition metals. We have a particular focus on bond activation reactions (e.g. C-H activation) in both stoichiometric and catalytic processes.

We employ a combination of Schlenk, vacuum line and glove box techniques for the manipulation of air and water sensitive compounds, replying heavily on multinuclear NMR spectroscopy, IR spectroscopy and X-ray crystallography for characterisation

Publications

Haller, L. J. L., Mas-Marza, E., Cybulski, M., Sanguramath, R., Macgregor, S., Mahon, M., Christophe, R., Russell, C. and Whittlesey, M., 2017. Forthcoming. Computation Provides Chemical Insight into the Diverse Hydride NMR Chemical Shifts of [Ru(NHC)4(L)H]0/+ Species (NHC = N-heterocyclic carbene; L = vacant, H2, N2, CO, MeCN, O2, P4, SO2, H-, F- and Cl-) and their [Ru(R2PCH2CH2PR2)2(L)H]+ Congeners. Dalton Transactions

Shi, S., Collins, L., Mahon, M., Djurovich, P., Thompson, M. and Whittlesey, M., 2017. Synthesis and characterization of phosphorescent two coordinate copper(I) complexes bearing diamidocarbene ligands. Dalton Transactions, 46 (3), pp. 745-752.

Collins, L., Rajabi, N., Macgregor, S., Mahon, M. and Whittlesey, M., 2016. Experimental and Computational Studies of the Novel Copper Borate Complexes [(NHC)CuHBR3] (R = Et, C6F5). Angewandte Chemie-International Edition

Collins, L. R., Rajabi, N. A., MacGregor, S. A., Mahon, M. F. and Whittlesey, M. K., 2016. Experimental and computational studies of the copper borate complexes [(NHC)Cu(HBEt3)] and [(NHC)Cu(HB(C6F5)3)]. Angewandte Chemie-International Edition, 55 (50), pp. 15539-15543.

Pelties, S., Carter, E., Folli, A., Mahon, M., Murphy, D., Whittlesey, M. and Wolf, R., 2016. The Influence of ring-expanded N-heterocyclic carbenes on the structures of half-sandwich Ni(I) complexes:an X-ray, EPR, and ENDOR study. Inorganic Chemistry, 55, pp. 11006-11017.

Riddlestone, I., Rajabi, N., Lowe, J., Mahon, M., Macgregor, S. A. and Whittlesey, M., 2016. Activation of H2 over the Ru-Zn bond in the Transition Metal-Lewis Acid Heterobimetallic Species [Ru(IPr)2(CO)ZnEt]+ (IPr = 1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene). Journal of the American Chemical Society, 138 (35), pp. 11081-11084.

Riddlestone, I. M., McKay, D., Gutmann, M. J., MacGregor, S. A., Mahon, M. F., Sparkes, H. A. and Whittlesey, M. K., 2016. Isolation of [Ru(IPr)2(CO)H]+ (IPr = 1,3-bis(2,6-diisopropylphenyl)-imidazol-2-ylidene) and reactivity towards E-H (E = H, B) bonds. Organometallics, 35 (9), pp. 1301-1312.

Collins, L. R., Mofffat, L. A., Mahon, M. F., Jones, M. D. and Whittlesey, M. K., 2016. Lactide polymerisation by ring-expanded NHC complexes of zinc. Polyhedron, 103 (Part A), pp. 121-125.

Collins, L. R., Riddlestone, I. M., Mahon, M. F. and Whittlesey, M. K., 2015. A comparison of the stability and reactivity of diamido- and diaminocarbene copper alkoxide and hydride complexes. Chemistry - A European Journal, 21, pp. 14075-14084.

Giner, E. A., Santiago, A., Gómez-Gallego, M., Ramírez De Arellano, C., Poulten, R. C., Whittlesey, M. K. and Sierra, M. A., 2015. Mono-and bimetallic zwitterionic chromium(0) and tungsten(0) allenyls. Inorganic Chemistry, 54 (11), pp. 5450-5461.

Collins, L., Hierlmeier, G., Mahon, M., Riddlestone, I. and Whittlesey, M., 2015. Unexpected Migratory Insertion Reactions of M(alkyl)2 (M = Zn, Cd) and Diamidocarbenes. Chemistry - A European Journal, 21 (8), pp. 3215-3218.

Cybulski, M. K., Riddlestone, I. M., Mahon, M. F., Woodman, T. J. and Whittlesey, M. K., 2015. Stoichiometric and catalytic C-F bond activation by the trans-dihydride complex [Ru(IEt2Me2)2(PPh3)2H2] (IEt2Me2 = 1,3-diethyl-4,5-dimethylimidazol-2-ylidene). Dalton Transactions, 44 (45), pp. 19597-19605.

Schwartsburd, L., Mahon, M. F., Poulten, R. C., Warren, M. R. and Whittlesey, M. K., 2014. Mechanistic studies of the rhodium NHC catalyzed hydrodefluorination of polyfluorotoluenes. Organometallics, 33 (21), pp. 6165-6170.

Collins, L. R., Rookes, T. M., Mahon, M. F., Riddlestone, I. M. and Whittlesey, M. K., 2014. Use of ring-expanded diamino- and diamidocarbene ligands in copper catalyzed azide-alkyne "click" reactions. Organometallics, 33 (20), pp. 5882-5887.

Whittlesey, M.K. and Peris, E., 2014. Catalytic hydrodefluorination with late transition metal complexes. ACS Catalysis, 4 (9), pp. 3152-3159.

Bramananthan, N., Carmona, M., Lowe, J.P., Mahon, M.F., Poulten, R.C. and Whittlesey, M.K., 2014. Rh-FHF and Rh-F complexes containing small N-alkyl substituted six-membered ring N-heterocyclic carbenes. Organometallics, 33 (8), pp. 1986-1995.

Collins, L. R., Lowe, J. P., Mahon, M. F., Poulten, R. C. and Whittlesey, M. K., 2014. Copper diamidocarbene complexes:characterization of monomeric to tetrameric species. Inorganic Chemistry, 53 (5), pp. 2699-2707.

Poulten, R. C., Page, M. J., Algarra, A. G., Le Roy, J. J., López, I., Carter, E., Llobet, A., Macgregor, S. A., Mahon, M. F., Murphy, D. M., Murugesu, M. and Whittlesey, M. K., 2013. Synthesis, electronic structure, and magnetism of [Ni(6-Mes) 2]+:A two-coordinate nickel(I) complex stabilized by bulky N-heterocyclic carbenes. Journal of the American Chemical Society, 135 (37), pp. 13640-13643.

Davies, C. J. E., Lowe, J. P., Mahon, M. F., Poulten, R. C. and Whittlesey, M. K., 2013. Synthesis and small molecule reactivity of trans-dihydride isomers of Ru(NHC)2(PPh3)2H2 (NHC = N-Heterocyclic Carbene). Organometallics, 32 (17), pp. 4927-4937.

MacGregor, S.A., McKay, D., Panetier, J.A. and Whittlesey, M.K., 2013. Computational study of the hydrodefluorination of fluoroarenes at [Ru(NHC)(PR3)2(CO)(H)2]:Predicted scope and regioselectivities. Dalton Transactions, 42 (20), pp. 7386-7395.

Page, M.J., Lu, W.Y., Poulten, R.C., Carter, E., Algarra, A.G., Kariuki, B.M., MacGregor, S.A., Mahon, M.F., Cavell, K.J., Murphy, D.M. and Whittlesey, M.K., 2013. Three-coordinate nickel(I) complexes stabilised by six-, seven- and eight-membered ring N-heterocyclic carbenes:Synthesis, EPR/DFT studies and catalytic activity. Chemistry - A European Journal, 19 (6), pp. 2158-2167.

Segarra, C., Mas-Marzá, E., Lowe, J. P., Mahon, M.F., Poulten, R.C. and Whittlesey, M.K., 2012. Ring-expanded N-heterocyclic carbene complexes of rhodium with bifluoride, fluoride, and fluoroaryl ligands. Organometallics, 31 (24), pp. 8584-8590.

Batool, M., Martin, T. A., Algarra, A. G., George, M. W., Macgregor, S. A., Mahon, M. F. and Whittlesey, M. K., 2012. Photochemistry of Cp′Mn(CO)2(NHC)(Cp′=η5-C5H4Me) species: Synthesis, time-resolved IR spectroscopy, and DFT calculations. Organometallics, 31 (14), pp. 4971-4979.

Bramananthan, N., Mas-Marza, E., Fernandez, F. E., Ellul, C. E., Mahon, M. F. and Whittlesey, M. K., 2012. Formation of cyclometallated N-heterocyclic carbene (NHC) complexes from L nRuCl 2 (L = Cyclooctadiene, PPh 3, DMSO) precursors. European Journal of Inorganic Chemistry, 2012 (13), pp. 2213-2219.

Nixon, T. D., Whittlesey, M. K. and Williams, J. M. J., 2011. Ruthenium-catalysed transfer hydrogenation reactions with dimethylamine borane. Tetrahedron Letters, 52 (49), pp. 6652-6654.

Saidi, O., Marafie, J., Ledger, A. E. W., Liu, P. M., Mahon, M. F., Kociok-Kohn, G., Whittlesey, M. K. and Frost, C. G., 2011. Ruthenium-catalyzed meta sulfonation of 2-phenylpyridines. Journal of the American Chemical Society, 133 (48), pp. 19298-19301.

Ledger, A. E. W., Ellul, C. E., Mahon, M. F., Williams, J. M. J. and Whittlesey, M. K., 2011. Ruthenium bidentate phosphine complexes for the coordination and catalytic dehydrogenation of amine- and phosphine-boranes. Chemistry - A European Journal, 17 (31), pp. 8704-8713.

Martin, T. A., Ellul, C. E., Mahon, M. F., Warren, M. E., Allan, D. and Whittlesey, M. K., 2011. Neutral and cationic mono- and bis-N-heterocyclic carbene complexes derived from manganese and rhenium carbonyl precursors. Organometallics, 30 (8), pp. 2200-2211.

Guard, L. M., Ledger, A. E. W., Reade, S. P., Ellul, C. E., Mahon, M. F. and Whittlesey, M. K., 2011. [Ru(NHC)(P-P)(CO)HF] (NHC=N-heterocyclic carbene; P-P=xantphos, dppf) complexes: Efforts to prepare new hydrodefluorination catalysts. Journal of Organometallic Chemistry, 696 (3), pp. 780-786.

Panetier, J. A., Macgregor, S. A. and Whittlesey, M. K., 2011. Catalytic hydrodefluorination of pentafluorobenzene by Ru(NHC)-(PPh3)(2)(CO)H-2 : A nucleophilic attack by a metal-bound hydride ligand explains an unusual ortho-regioselectivity. Angewandte Chemie-International Edition, 50 (12), pp. 2783-2786.

Page, M. J., Mahon, M. F. and Whittlesey, M. K., 2011. Formation and reactivity of the cyclometallated N-heterocyclic carbene complexes Ru(NHC)'(dppe)(CO)H. Dalton Transactions, 40 (31), pp. 7858-7865.

Haller, L. J. L., Page, M. J., Erhardt, S., Macgregor, S. A., Mahon, M. F., Abu Naser, M., Velez, A. and Whittlesey, M. K., 2010. Experimental and computational investigation of C-N bond activation in ruthenium N-heterocyclic carbene complexes. Journal of the American Chemical Society, 132 (51), pp. 18408-18416.

Ellul, C. E., Reed, G., Mahon, M. F., Pascu, S. I. and Whittlesey, M. K., 2010. Tripodal N-heterocyclic carbene complexes of palladium and copper: Syntheses, characterization, and catalytic activity. Organometallics, 29 (18), pp. 4097-4104.

Ledger, A. E. W., Moreno, A., Ellul, C. E., Mahon, M. F., Pregosin, P. S., Whittlesey, M. K. and Williams, J. M. J., 2010. Pincer Phosphine Complexes of Ruthenium: Formation of Ru(P-O-P)(PPh3)HCl (P-O-P = xantphos, DPEphos, (Ph2PCH2CH2)(2)O) and Ru(dppf)(PPh3)HCl and Characterization of Cationic Dioxygen, Dihydrogen, Dinitrogen, and Arene Coordinated Phosphine Products. Inorganic Chemistry, 49 (16), pp. 7244-7256.

Davies, C. J. E., Page, M., Ellul, C. E., Mahon, M. F. and Whittlesey, M. K., 2010. Ni(I) and Ni(II) ring-expanded N-heterocyclic carbene complexes: C-H activation, indole elimination and catalytic hydrodehalogenation. Chemical Communications, 46 (28), pp. 5151-5153.

Chatwin, S. L., Mahon, M. F., Prior, T. J. and Whittlesey, M. K., 2010. Reactivity of the N-heterocyclic carbene complexes Ru(IMes)(2)(CO)HX (X = OH, Cl) with alkynes. Inorganica Chimica Acta, 363 (3), pp. 625-632.

Armstrong, R., Ecott, C., Mas-Marza, E., Page, M., Mahon, M. F. and Whittlesey, M. K., 2010. Ring-expanded n-heterocyclic carbene complexes of ruthenium. Organometallics, 29 (4), pp. 991-997.

Holdroyd, R. S., Page, M. J., Warren, M. R. and Whittlesey, M. K., 2010. Intramolecular C-H insertion in ring-expanded N-heterocyclic carbenes. Tetrahedron Letters, 51 (3), pp. 557-559.

Ellul, C. E., Mahon, M. F. and Whittlesey, M. K., 2010. Synthesis and structural characterisation of the palladium N-heterocyclic carbene cluster complexes Pd-3(mu-CO)(3)(NHC)(3) and Pd-3(mu-SO2)(3)(NHC)(3). Journal of Organometallic Chemistry, 695 (1), pp. 6-10.

Burling, S., Mas-Marza, E., Valpuesta, J. E. V., Mahon, M. F. and Whittlesey, M. K., 2009. Coordination, Agostic stabilization and C-H bond activation of N-Alkyl Heterocyclic Carbenes by coordinatively unsaturated Ruthenium Hydride Chloride complexes. Organometallics, 28 (23), pp. 6676-6686.

Burling, S., Haller, L. J. L., Mas-Marza, E., Moreno, A., Macgregor, S. A., Mahon, M. F., Pregosin, P. S. and Whittlesey, M. K., 2009. The influence of N-heterocyclic carbenes (NHC) on the reactivity of [Ru(NHC)4H]+ with H2, N2, CO and O2. Chemistry - A European Journal, 15 (41), pp. 10912-10923.

Haller, L. J. L., Mas-Marza, E., Moreno, A., Lowe, J. P., Macgregor, S. A., Mahon, M. F., Pregosin, P. S. and Whittlesey, M. K., 2009. Formation of [Ru(NHC)4(η2-O2)H]+: an unusual, high frequency hydride chemical shift and facile, reversible coordination of O2. Journal of the American Chemical Society, 131 (28), pp. 9618-9619.

Owston, N. A., Nixon, T. D., Parker, A. J., Whittlesey, M. K. and Williams, J. M., 2009. Conversion of Primary Alcohols and Aldehydes into Methyl Esters by Ruthenium-Catalysed Hydrogen Transfer Reactions. Synthesis, 9, pp. 1578-1581.

Reade, S. P., Acton, A. L., Mahon, M. F., Martin, T. A. and Whittlesey, M. K., 2009. Synthesis and Reactivity of Ru(NHC)(dppp)(CO)H2 and Ru(NHC)(dppp)(CO)HF Complexes: C–H and C–F Activation. European Journal of Inorganic Chemistry, 13, pp. 1774-1785.

Haller, L. J. L., Page, M. J., Macgregor, S. A., Mahon, M. F. and Whittlesey, M. K., 2009. Activation of an alkyl C-H bond geminal to an agostic interaction: an unusual mode of base-induced C-H activation. Journal of the American Chemical Society, 131 (13), pp. 4604-4605.

Reade, S. P., Mahon, M. F. and Whittlesey, M. K., 2009. Catalytic hydrodefluorination of aromatic fluorocarbons by ruthenium N-heterocyclic carbene complexes. Journal of the American Chemical Society, 131 (5), pp. 1847-1861.

Ledger, A. E. W., Slatford, P. A., Lowe, J. P., Mahon, M. F., Whittlesey, M. K. and Williams, J. M. J., 2009. Ruthenium xantphos complexes in hydrogen transfer processes: reactivity and mechanistic studies. Dalton Transactions, 4, pp. 716-722.

Saker, O., Mahon, M. F., Warren, J. E. and Whittlesey, M. K., 2009. Sequential Formation of [Ru(IPr)2(CO)H(OH2)]+ and [Ru(IPr)(η6-C6H6)(CO)H]+ upon Protonation of Ru(IPr)2(CO)H(OH) (IPr=1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene). Organometallics, 28 (6), pp. 1976-1979.

Pridmore, S. J., Slatford, P. A., Taylor, J. E., Whittlesey, M. K. and Williams, J. M. J., 2009. Synthesis of furans, pyrroles and pyridazines by a ruthenium-catalysed isomerisation of alkynediols and in situ cyclisation. Tetrahedron, 65 (44), pp. 8981-8986.

Burrows, A. D., Harrington, R. W., Kirk, A. S., Mahon, M. F., Marken, F., Warren, J. E. and Whittlesey, M. K., 2009. Synthesis, characterization, and electrochemistry of a series of iron(II) complexes containing self-assembled 1,5-Diaza-3,7-diphosphabicyclo 3.3.1 nonane Ligands. Inorganic Chemistry, 48 (20), pp. 9924-9935.

Nixon, T. D., Whittlesey, M. K. and Williams, J. M. J., 2009. Transition metal catalysed reactions of alcohols using borrowing hydrogen methodology. Dalton Transactions, 5, pp. 753-762.

Ellul, C. E., Saker, O., Mahon, M. F., Apperley, D. C. and Whittlesey, M. K., 2008. Cleavage of Ru-3(CO)(12) by N-heterocyclic carbenes: Isolation of cisand trans-Ru(NHC)(2)(CO)(3) and reaction with O-2 to form Ru(NHC)(2)(CO)(2)(CO3). Organometallics, 27 (1), pp. 100-108.

Chantler, V. L., Chatwin, S. L., Jazzar, R. F. R., Mahon, M. F., Saker, O. and Whittlesey, M. K., 2008. Stoichiometric and catalytic reactivity of the N-heterocyclic carbene ruthenium hydride complexes [Ru(NHC)(L)(CO) HCl] and [Ru(NHC)(L)(CO) H(eta(2)-BH4)] (L = NHC, PPh3). Dalton Transactions

This list was generated on Thu Feb 23 16:43:53 2017 GMT.

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