Chemical-proteomic strategies to investigate reactive cysteines Professor Eranthie Weerapana from Boston College will present a seminar, Chemical-proteomic strategies to investigate reactive cysteines. Join Zoom Meeting 9/22/2022, will begin at 11:00 am CST. Link removed, as the seminar is over. Host: Dr. Brad Pierce
Tethered Axial Coordination as a Control Element on Dirhodium Paddlewheel Complexes Professor Ampofo Darko from The University of Tennessee, Knoxville will present a seminar, Tethered Axial Coordination as a Control Element on Dirhodium Paddlewheel Complexes Abstract: Dirhodium(II,II) paddlewheel (RhII) complexes can mediate a number of transformations through the catalytic transfer of carbenes from diazo precursors. The reactivity and selectivity of these reactions are modulated partly by the modification of bridging ligands surrounding the metal center, but the axial sites of [...]
Mechanistic Investigations into Indole Dioxygenation, Monooxygenation, and Nitration Chemistries Driven by Heme Enzymes Professor Gayan Wijeratne from The University of Alabama at Birmingham will present a seminar, "Mechanistic Investigations into Indole Dioxygenation, Monooxygenation, and Nitration Chemistries Driven by Heme Enzymes." Host: Brad Pierce
Synthesis of Novel Oxyhalides as Multifunctional Host Structures Professor Rob Green from Alabama State University will present a seminar. Synthesis of Novel Oxyhalides as Multifunctional Host Structures Abstract: A tetragonal oxyfluoride Ba2SrGaO4F, a novel material in the Sr3AlO4F family of materials, has been synthesized via solid-state method and exhibits self-activated photoluminescence (PL) under 254nm light after annealing in a reducing atmosphere of 4%H2/96% Ar. The structure of this material is determined by powder x-ray diffraction and confirmed using high-resolution neutron [...]
Controlling the Electrochemical Properties of f-Elements Professor James Blakemore from the University of Kansas will present a seminar. Host: Dr. Elizabeth Papish
Making New Materials out of Stubborn Monomers: Approaches to Precise, Chemically Recyclable, and Stimuli-Responsive Polymers Professor Justin Kennemur from Florida State University will present a seminar. Making New Materials out of Stubborn Monomers: Approaches to Precise, Chemically Recyclable, and Stimuli-Responsive Polymers. Abstract: A launch-point for potentially transformative materials is the synthetic design of polymer microstructures capable of offering precise and unique branch periodicities outside of those provided by traditional monomers and methods. The concept of using low ring strain cycloolefin [...]
Harnessing the Reactivity of Alkynes: Construction of Small Organic Molecules of Pharmaceutical Interest Professor Akhilesh K. Verma from the University of Delhi will present a seminar. Harnessing the Reactivity of Alkynes: Construction of Small Organic Moleculesof Pharmaceutical Interest Abstract: The simplicity, efficiency,and generality of reactions using alkyneshave led to its applications in the synthesis of a wide variety of small organic moleculesand natural products. Developing synthetic strategiesforsmall molecules in terms of selectivity, operational simplicity,functional group tolerance,and environmental sustainability isin constant [...]
Enabling Sustainable Chemistry with Precious Metal Catalysts through Hierarchical Design Professor Titel Jurca from University of Central Florida will present a seminar. Enabling Sustainable Chemistry with Precious Metal Catalysts through Hierarchical Design Abstract: Due to inherent advantages relating to recoverability, temperature stability, and adaptability to industrial processes, heterogeneous catalysts dominate the industrial market share. Among those, palladium-based heterogeneous catalysts are critical enablers of numerous synthetic organic transformations. Examples range from C-C coupling reactions, C-H activations, to transfer and conventional hydrogenations. [...]
Spectroscopic Probes of Plasmon-Driven Chemical Reactions Professor Renee Frontiera from the University of Minnesota will present a seminar. Spectroscopic Probes of Plasmon-Driven Chemical Reactions Abstract: Plasmonic materials are highly promising catalysts for driving energetically unfavorable chemical reactions with sunlight, due to their large optical cross sections and ability to generate a number of hot holes and electrons. However, the efficiencies of most plasmon-driven processes are quite low, likely due to the lack of mechanistic understanding of the underlying physical processes. [...]
Cancelled Professor Audrey Lamb from the University of Texas at San Antonio will present a seminar. Evidence for the chemical mechanism of dihydroxybutanone phosphate (DHBP) synthase from riboflavin biosynthesis Abstract: RibB (3,4-dihydroxy-2-butanone 4-phosphate synthase) is a magnesium-dependent enzyme that excises the C4 of D-ribulose-5-phosphate (D-Ru5P) as formate. This chemistry forms the four-carbon substrate for RibE (lumazine synthase) that is incorporated into the xylene moiety of lumazine and ultimately the riboflavin isoalloxazine. The reaction was first identified in studies by Bacher [...]