Sita, Lawrence R.
Professor
个人简介
B.S. (Honors), Chemistry, 1981, Carnegie Mellon University, Pittsburgh, PA B.S.(honors) June 1981 Ph.D., Organic Chemsitry, 1985, Massachusetts Institute of Technology, Cambridge, MA (w. Satoru Masamune). Postdoctoral, 1985-1986, Massachusetts Institute of Technology, Cambridge, MA (w. Richard R. Schrock).
研究领域
Transition and Main Group Metal Inorganic and Organometallic Chemistry, New Synthetic Methodology, Catalyst Development, Polymers, Chemically-Tailored Surfaces and Interfaces, Molecular and Mesoscopic Self-Assembly, New Nanofabrication Processes
近期论文
Keane, A. J.; Yonke, B. L.; Masakazu, H.; Zavalij, P. Y. and Sita, L. R. Fine-Tuning the Energy Barrier for Metal-Mediated Dinitrogen N≡N Bond Cleavage. J. Am. Chem. Soc. 2014. 136, 9906-9909. DOI: 10.1021/ja505309j Yonke, B. L.; Reeds, J. P.; Fontaine, P.; Zavalij, P. Y. and Sita, L. R. Catalytic Production of Isocyanates via Orthogonal Atom and Group Transfers Employing a Shared Formal Group 6 M(II)/M(IV) Redox Cycle. Organometallics 2014, 33, 3239-3242. DOI: 10.1021/om500532s Crawford, K. E. and Sita, L. R. Regio- and Stereosprecific Cyclopolymerization of Bis(2-propenyl)diorganosilanes and the Two-State Stereoengineering of 3,5-cis,isotactic Poly(3,5-methylene-1-silacyclohexane)s. ACS Macro Lett. 2014, 3, 506. DOI: 10.1021/mz500126r Keane, A. J.; Zavalij, P. Y. and Sita, L. R. N-N Bond Cleavage of MId-Valent Ta(IV) Hydrazido and Hydrazidium Complexes Relevant to the Schrock Cycle for Dinitrogen Fixation. J. Am. Chem. Soc. 2013 135, 9580. DOI: 10.1021/ja402804k Crawford, K. E. and Sita, L. R. Stereoengineering of Poly(1,3-methylenecyclohexane) via Two-State Livig Coordination Polymerization of 1,6-Heptadiene. J. Am. Chem. Soc. 2013, 135, 8778-8781. DOI: 10.1021/ja402262x Wei, J.; Hwang, W.; Zhang, W. and Sita, L. R. Dinuclear Bis-Propagators for the Stereoselective Living Coordinative Chain Transfer Polymerization of Propene. J. Am. Chem. Soc. 2013, 135, 2132-2135. DOI: 10.1021;ja312463f Yonke, B. L.; Keane, A. J.; Zavalij, P. Y. and Sita, L. R. Mononuclear Tantalum(IV, d1) imido Complexes Supported by the Monocyclopentadienyl, Amidinate and Guanidinate Ligand sets as Models to Explore Dinitrogen Fixation by "end-on-bridged" Dinuclear {{Ta(IV, d1)]}2(µ-η1:η1-N2). Organometallics 2012, 31, 345-355. DOI: 10.1021/om200961r Giller, C.; Gururajan, G.; Wei, J.; Zhang, W.; Hwang, W.; Chase, B. D.; Rabolt, J. F. and Sita, L. R. Synthesis, Characterization, and Electrospinning of Architecturally-Descrete Isotactic-Atactic-Isotactic Triblock Stereoblock Polypropene Elastomers. Macromolec. 2011, 44, 471. DOI: 10.1021/ma102134y Sita, L.R. Duality in Catalyst Desgin: The Synergistic Coupling of Steric and Stereoelectronic Control over Polylefin Microstructure. Angew. Chem. Int. Ed. 2011, 50, 6963-6965. DOI: 10.1002/anie.201101913 Yonke, B. L.; Reeds, J. P.; Zavalij, P. Y. and Sita, L. R.; Catalytic Degenerate and Non-degenerate Oxygen Atom Transfers Employing N2O and CO2 and a MII/MIV Cycle Mediated by Group 6 MIV Terminal Oxo Complexes. Angew. Chem. Int. Ed. 2011, 50, 12342-12346. DOI: 10.1002/anie.201106074 Reeds, J. P.; Yonke, B. L.; Zavalij, P. Y. and Sita, L. R.; Carbon Monoxide-Induced N-N Bond Cleavage of Nitrous Oxide that is Competitive with Oxygen Atom Transfer to Carbon Monoxide as Mediated by a Mo(II)/Mo(IV) Catalytic Cycle. J. Am. Chem. Soc. 2011, 133, 18602-18605. DOI: 10.1021/ja208669s Wei, J.; Zhang, W. and Sita, L. R.; Aufbaureaktion Redux: Scalable Production of Precision Hydrocarbons from AlR3 (R=Et or iBu) by Dialkyl Zinc Mediated Ternary Living Coordinative Chain-Transfer Polymerization. Angew. Chem. Int. Ed. 2010, 49, 1768-1772. DOI: 10.1002/ange.200906658 Wei, J.; Zhang, W.; Wickham, R. and Sita, L. R.; Programmable Modulation of Co-monomer Relative Reactivities of Living Coordination Polymerization through Reversible Chain Transfer between "Tight" and "Loose" Ion Pairs. Angew. Chem. Int. Ed. 2010, 49, 9140-9144. DOI: 10.1002/ange.201004709 Fontaine, P. P.; Yonke, B. L.; Zavalij, P. Y. and Sita, L. R. Dinitrogen Complexation and Extent of N2 Activation within the Group 6 "End-On-Bridged" Dinuclear Complexes, {(η5-C5Me5)M[N(i-Pr)C(Me)N(i-Pr)]}2(µ-η1:η1-N2) (M = Mo and W). J. Am. Chem. Soc. 2010, 132, 12273-12285. DOI: 10.1021/ja100469f