Denk , Michael K. - University of Guelph

研究领域

Our two current research areas are interdisciplinary and focus on: A. Folate intermediates, hydrogenases and hydride transfer reactions under biological conditions. B. Prebiotic transition metal chemistry This research has evolved over the last decades from the following research projects. Carbenes and their "heavy" relatives (R2M: with M = C, Si, P+, Ge, Sn and transition metals). Stabilization of highly reactive species through bulky amido substituents. Synthesis of novel volatile compounds as CVD precursors for microelectronic materials Generation of Ge-Si and Ge-C thin films for semiconductor and solar cell technology, synthesis of new precursors for electronic grade thin silicon films. Generation of superhard, oxidation resistant films based on boron and titanium.

近期论文

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41. Denk, M. K.; Milutinović, N. S.; Marczenko, K. M., Sadowski, N. M.; Paschos, A. Nature’s Hydrides. RSC Chemical Science, published on-line Nov 17 2016. 40. Denk, M.K. The Variable Strenght of the Sulfur-Sulfur Bond, Denk, M.K., Eur. J. Inorg. Chem. 2009, 1358-1368. 39. Denk, M.K.: Ye, Xuan Isothioures - Thioureas - A CBS-Q Study 38. Denk, M.K.; Zheng, Feng-Lan, Hezarkhani, Azardokht Steric and Electronic Effects in the Dimerization of Wanzlick Carbenes: The Alkyl Effect Eur. J. Inorg. Chem. 2007, 3527-3534. 37. Denk, M.K.;Ye, Xuan Alkylation of Ethylenehiourea with Alcohols: A Convenient Synthesis of S-alkyl-isothioureas Without Toxic Alkylating Agents, Tetrahedron Letters 2005, 46, 7597-7599. 36. Denk, M.K.; Hezarkhani, A. A. "The Thermodynamic Satbility of P8 - A CBS-Q Study Heteroatom Chemistry 2005, 16, 453-457. 35. Denk, M.K.; Krause, M.; Niyogi, D.F.; Gill, N.K. "Reaction of 1,2-dibromoethane with primary amines - formation of N,N'disubstituted ethylendiamines and homologous polyamines H-[N(R)-CH2CH2]-NHR" Tetrahedron, 2003, 59, 7565-7570. 34. Denk, M.K.; Gill, N.K.; Singh, G. "Potential explosion hazard of alpha-lithiated amines", C & E News, June 30, p2, 2003. 33. Hui Zhou, Y.; Denk, M. K.; "A New One-Step Three-Component Synthesis for Selenoureas"Tetrahedron Lett., 2003, 44, 1295-1299. 32. Denk, M. K.; Hatano, K.; Lough, A. J. "Synthesis and Characterization of a Carbene-SO2 Adduct8" Eur. J., Inorg. Chem. 2003, 224-231. 31. Denk, M. K.; Gupta, S.; Brownie, J.; Tajammul, S.; Lough, A. J. "CH Activation with Elemental Sulfur (I): Synthesis of Cyclic Thioureas from Formaldehyde Aminals and S8" Chem. Eur. J., 2001, 7 (20): 4477-4486. 30. Hitchcock, A. P.; Ennis, L. E.; Lehmann, J. F.; Denk, M.K., "Transient ISEELS: a new probe of chemical reactions" J. El. Spec. 2001, 114, 1037-1041. 29. Denk, M. K.; Rodezno, J., Gupta, S.; Lough, A. J. "Oxidation, Hydrogenation And Hydrolysis of Stable Diamino Carbenes" J. Organometal Chem. 2001, 617-618, 242 - 253. 28. Leites, L. A.; Bukalov, S. S.; Denk, M. K.; West, R.; Haaf M., Raman Evidence of Aromaticity of the Thermally Stable Silylene (tBuNCH=CHNtBu)Si:" J. Molecular Structure - THEOCHEM, 2000, 550, 329-335. Denk, M. K.; Rodezno, J., Fast deuterium labeling and the basicity of stable diamino carbenes (imidazole-2-ylidenes) J. Organometal. Chem. 2000, 608, 122-125. Denk, M. K.; Rodezno, J., Fast deuterium labeling and the basicity of stable diamino carbenes (imidazole-2-ylidenes) J. Organometal. Chem. 2001, 617-618, 737 - 740. 26. Denk, M. K.; Gupta, S.; Ramachandran, R. "Aromatic Phosphenium Cations" Eur. J. Inorg. Chem. 1999, 41 - 49. 25. Denk, M. K.; Hatano. K.; Ma, M.. J. "Nucleophilic Carbenes and the Wanzlick Equilibrium - A Reinvestigation" Tetrahedron Lett. 1999, 40, 2057 - 2060. 24. Lehmann, J. F. ; Urquhart, S. G.; Ennis, L. E.; Hitchcock, A. P.; Hatano, K.; Gupta, S.; Denk, M. K. "Core Excitation Spectroscopy of Stable Cyclic Diaminocarbenes, -Silylenes, and -Germylenes Organometallics 1999, 18, 186- 1872. 23. Haaf, M.; Schmiedl, A.; Schmedake, T. A.; Powell, R. A.; Millevolte, A. J.; Denk, M.; West, R. "Synthesis and Reactivity of a Stable Silylene" J. Am. Chem. Soc. 1998, 120, 12714 - 12719.