Ph.D., California Institute of Technology (1995) A.B., Princeton University (1990)

Professor Broene's research interests focus on the use of transition and lanthanide-series metals to accomplish asymmetric organic syntheses, dimerizations as well as the rational, metal-facilitated synthesis of ligands for chiral catalyts. There are several projects currently underway in his research labs. The first investigates the ability of tethered bis-indenyl ligands to serve as proto-C2 symmetric ligands for lanthanide metals, forming metallocene complexes. The work in this area showed that the two-carbon tether was too short to allow the preferred formation of the racemic form of the complex, favoring instead the meso form. This is in part due to the large ionic radius of these f-electron elements. We use both traditional organic chemistry and zirconocene-mediated reactions for the synthesis of these ligands. A second area investigates the use of conformationally constrained ligands to provide more favorable orientations for cobalt catalyzed dimerization of alpha olefins. We have synthesized useful quantities of quinoline substituted Cp* ligands and are investigating if they favor 2,1 insertion over 1,2 insertion reactions. Additionally we have synthesized phosphabenzene and are exploring its coordination chemistry to Co.

25.“Control and Characterization of Protein Adsorption on Ceramic Surfaces.” M. J. Read, S. L. Burkett*, A. M. Mayes, Materials Research Society Symposium Proceedings, 2000, 599, 337-342. 24.“Prehistoric Polymers: Rubber Processing in Ancient Mesoamerica.” D. Hosler*, S. L. Burkett, M. J. Tarkanian, Science, 1999, 284, 1988-1991. 23.“Chiral Templating of Silica–Lipid Lamellar Mesophase with Helical Tubular Architecture.” A. M. Seddon, H. M. Patel, S. L. Burkett, S. Mann, Angewandte Chemie, International Edition in English, 2002, 41, 2988-2991. 22.“Hybrid Lamellar Nanocomposites Based on Organically-Functionalized Magnesium Phyllosilicate Clays with Interlayer Reactivity.” N. T. Whilton, S. L. Burkett, S. Mann, Journal of Materials Chemistry, 1998, 8, 1927-1932. 21.“Sorption of Nitrogen, Water Vapor, and Benzene by a Phenyl-Modified MCM-41 Sorbent.” C. M. Bambrough, R. C. T. Slade, R. T. Williams, S. L. Burkett, S. D. Sims, S. Mann, Journal of Colloid and Interface Science, 1998, 201, 220-222. 20.“Sol-Gel Synthesis of Organized Matter.” S. Mann, S. L. Burkett, S. A. Davis, C. E. Fowler, N. H. Mendelson, S. D. Sims, D. Walsh, N. T. Whilton, Chemistry of Materials, 1997, 9, 2300-2310. 19.“Synthesis and Characterization of Ordered Organo-Silica–Surfactant Mesophases with Functionalized MCM-41-Type Architecture.” C. E. Fowler, S. L. Burkett, S. Mann, Chemical Communications, 1997, 1769-1770. 18.“Synthesis, Characterization, and Reactivity of Layered Inorganic–Organic Nanocomposites Based on 2:1 Trioctahedral Phyllosilicates.” S. L. Burkett, A. Press, S. Mann, Chemistry of Materials, 1997, 9, 1071-1073. 17.“Bacterial Templating of Ordered Macrostructures in Silica and Silica–Surfactant Mesophases.” S. A. Davis, S. L. Burkett, N. H. Mendelson, S. Mann, Nature, 1997, 385, 420-423. 16.“The Synthesis and Characterization of Ordered Mesoporous Materials Incorporating Organosiloxanes.” S. D. Sims, S. L. Burkett, S. Mann, Materials Research Society Symposium Proceedings, 1996, 431, 77-82. 15.“Synthesis of Hybrid Inorganic–Organic Mesoporous Silica by Co Condensation of Siloxane and Organosiloxane Precursors.” S. L. Burkett, S. D. Sims, S. Mann, Chemical Communications, 1996, 1367-1368. 14.“Spatial Organization and Patterning of Gold Nanoparticles on Self-Assembled Biolipid Tubular Templates.” S. L. Burkett, S. Mann, Chemical Communications, 1996, 321-322. 13.“Synthetic Mechanisms and Strategies for Zeolite Synthesis.” S. L. Burkett, M. E. Davis, in Comprehensive Supramolecular Chemistry, Volume 7, Chapter 16, J. L. Atwood, et al., Eds., Oxford, Pergamon/Elsevier, 1996, 465-483. 12.“Towards the Rational Design and Synthesis of Microporous and Mesoporous Silica Containing Materials.” M. E. Davis, S. L. Burkett, Zeoraito, 1995, 12, 33-47. 11.“Towards the Rational Design and Synthesis of Zeolites.” S. L. Burkett, M. E. Davis, Materials Research Society Symposium Proceedings, 1995, 371, 3-14. 10.“SiO–···HOSi Hydrogen Bonds in As-Synthesized High-Silica Zeolites.” H. Koller, R. F. Lobo, S. L. Burkett, M. E. Davis, Journal of Physical Chemistry, 1995, 99, 12588-12596. 9.“Quenching of Tris(2,2’-bipyridine) Ruthenium (II) Luminescence by Cobalt (III) Polypyridyl Complexes in Different Sites In and On Clays.” A. Awaluddin, R. N. DeGuzman, C. V. Kumar, S. L. Suib, S. L. Burkett, M. E. Davis, Journal of Physical Chemistry, 1995, 99, 886-892. 8.“Mechanisms of Structure Direction in the Synthesis of Pure-Silica Zeolites. II. Hydrophobic Hydration and Structural Specificity.” S. L. Burkett, M. E. Davis, Chemistry of Materials, 1995, 7, 1453-1463. 7.“Mechanisms of Structure Direction in the Synthesis of Pure-Silica Zeolites. I. Synthesis of TPA/Si–ZSM-5.” S. L. Burkett, M. E. Davis, Chemistry of Materials, 1995, 7, 920-928. 6.“Chemistry of Sol-Gel Synthesis of Aluminum Oxides with In Situ Water Formation: Control of the Morphology and Texture.” S. Rezgui, B. C. Gates, S. L. Burkett, M. E. Davis, Chemistry of Materials, 1994, 6, 2390-2397. 5.“Synthesis of (Alumino)silicate Materials Using Organic Molecules and Self-Assembled Organic Aggregates as Structure-Directing Agents.” M. E. Davis, C. Y. Chen, S. L. Burkett, R. F. Lobo, Materials Research Society Symposium Proceedings, 1994, 346, 831-842. 4.“Mechanism of Structure Direction in the Synthesis of Si–ZSM-5: An Investigation by Intermolecular 1H–29Si CP MAS NMR.” S. L. Burkett, M. E. Davis, Journal of Physical Chemistry, 1994, 98, 4647-4653. 3.“Studies on Mesoporous Materials. II. Synthesis Mechanism of MCM-41.” C. Y. Chen, S. L. Burkett, H. X. Li, M. E. Davis, Microporous Materials 1993, 2, 27-34. 2.“Structure-Directing Effects in the Crown Ether-Mediated Syntheses of FAU and EMT.” S. L. Burkett, M. E. Davis, Microporous Materials 1993, 1, 265-282.