研究领域

Inorganic & Organometallic Chemistry/Organic Chemistry/Polymer Chemistry/Environmental & Green Chemistry/Energy & Catalysis

Our goal is to make molecules in order to solve difficult problems in catalysis. We also study reaction kinetics and mechanism to develop new stoichiometric and catalytic processes. Currently, we are investigating new organometallic catalytic polymerization reactions for the practical synthesis of sustainable and biodegradable polymers, developing Ti-based redox catalysis for the modular and facile construction of heterocycles, and synthesizing new bimetallic scaffolds for electrocatalytic small molecule activation. We're a young group, and looking to grow in 2015-2016! Interested prospective Chemistry graduate students should contact Prof. Tonks at itonks(at)umn.edu. All undergraduate researcher positions are filled until Summer 2015, and we currently do not have any funding available for postdoctoral scholars.

近期论文

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Hue, R. J.; Cibuzar, M. P.; Tonks, I. A. Analysis of polymeryl chain transfer between group 10 metals and main group alkyls during ethylene polymerization. ACS Catalysis 2014, 4, 4223. 10.1021/cs501447d Dunn, P. L.; Reath, A. H.; Clouston, L. J.; Young Jr., V. G.; Tonks, I. A. Homo- and heteroleptic group 4 2-(diphenylphosphino)pyrrolide complexes: Synthesis, coordination chemistry and solution state dynamics. Polyhedron 2014, 84, 111. Special issue in honor of Prof. John Bercaw’s 70th birthday. 10.1016/j.poly.2014.06.047 Tonks, I. A.; Froese, R.; Landis, C. R. Very low pressure Rh-catalyzed hydroformylation of styrene with (S,S,S-BisDiazaphos): regioselectivity inversion and mechanistic insights. ACS Catalysis 2013, 3, 2905. 10.1021/cs400943s Shin, J. H.; Churchill, D. G.; Parkin, G.; Roggan, S.; Jankowski, C.; Limberg, C.; Tonks, I. A.; Bercaw, J. E. Bis(η5-Pentamethylcyclopentadienyl) Complexes of Molybdenum. Inorganic Syntheses 2014, 36, 12. 10.1002/9781118744994.ch12 Tonks, I. A.; Meier, J. C.; Bercaw, J. E. Titanium complexes supported by pyridine-bis(phenolate) ligands: active catalysts for intermolecular hydroamination or trimerization of alkynes. Organometallics 2013, 32, 3451. 10.1021/om400080g Ahmed, T.; Tonks, I. A.; Bercaw, J. E. Kinetics and mechanism of indene C-H bond activation by [(COD)IrOH]2. Organometallics 2013, 32, 3322. 10.1021/om400230j Tonks, I. A.; Durrell, A. C.; Gray, H. B.; Bercaw, J. E. Groups 5 and 6 terminal hydrazido(2-) complexes: Nβ substituent effects on LMCT energies and oxidation states. J. Am. Chem. Soc. 2012, 134, 7301. 10.1021/ja302275j Tonks, I. A.; Tofan, D.; Weintrob, E. C.; Agapie, T.; Bercaw, J. E. Zirconium and titanium propylene polymerization precatalysts supported by a fluxional C2-symmetric bis(anilide)pyridine ligand. Organometallics 2012, 31, 1965. 10.1021/om201262h