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October 2016

M. Antonietti “Heterogenous Organocatalysts for Artificial Photosynthesis and as Enzyme models: Mimicking a peribiotic state we can only speculate about “

October 10, 2016 @ 4:30 pm
ISIS,

Markus Antonietti Max Planck Institute of Colloids and Interfaces, Research Campus Golm, D-14424 Potsdam, Germany, antonietti@mpikg.mpg.de   Polymeric graphitic Carbon Nitride can be made from urea under early-Earth conditions, as reported already by Justus Liebig in 1832. It just recently turned out to be a valuable extension to current semiconducting organic materials. This is due to the ease of synthesis, but also due to its extreme chemical stability. The resulting heterogeneous organocatalysts can- among other reactions- chemically activate CO2 or…

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November 2016

Ferdi Schüth “Controlled nanostructures for applications in catalysis and beyond”

November 7, 2016 @ 4:30 pm - 6:00 pm
ISIS,

Prof. Ferdi Schüth – MPI für Kohlenforschung: Over the last decades, tremendous progress has been made in the control of catalytic materials on the nanometer size scale. This includes tailoring of pore sizes of catalytic materials by different soft and hard templating techniques, size control of catalytically active metal particles by solution phase synthesis of such particles and subsequent deposition on supports, the placement of catalytic particles in desired locations of structured support materials, and the design of solid environments…

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Prof. Patrice SIMON “Recent advances in Double Layer Capacitors”

November 21, 2016 @ 4:30 pm - 6:00 pm
ISIS,

Prof. Patrice SIMON a,b a Université Paul Sabatier Toulouse III, CIRIMAT UMR CNRS 5085, 118 route de Narbonne, 31062 Toulouse Cedex b Réseau sur le Stockage Electrochimie de l’Energie, FR CNRS 3459, Amiens - France simon@chimie.ups-tlse.fr (http://www.univ-tlse3.fr/patrice-simon-medaille-d-argent-du-cnrs-574293.kjsp?RH=1205765646895) Recent advances in Double Layer Capacitors Lundi 21 novembre 2016 - 16h30 ISIS, salle de conférence, 8 allée Gaspard Monge, Campus Esplanade (http://isis.unistra.fr/conferences-isis/) Café et petits gâteaux offerts avant le début de la conférence à partir de 16h00

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Guy Bertrand ”Stable Carbenes and Related Species: Powerful Tools in Organic and Organometallic Chemistry”

November 28, 2016 @ 4:30 pm - 6:00 pm
ISIS,

Guy Bertrand UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0343 (USA) (guybertrand@ucsd.edu) Over the years, the success of homogeneous catalysis can be attributed largely to the development of a diverse range of ligand frameworks that have been used to tune the behavior of the various systems. Spectacular results in this area have been achieved using cyclic diaminocarbenes, the so-called N-heterocyclic carbenes (NHCs), mainly because of their strong…

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January 2017

Mir Wais HOSSEINI “Perspectives in molecular tectonics: from crystalline molecular networks to networks of crystals”

January 30 @ 4:30 pm
ISIS,

Perspectives in molecular tectonics: from crystalline molecular networks to networks of crystals Mir Wais Hosseini Laboratoire de Tectonique Moléculaire, UMR UDS-CNRS 7140, University of Strasbourg, Institut Le Bel, 4, rue Blaise Pascal, 67000 Strasbourg, France, e-mail hosseini@unistra.fr Bridging the gap between microscopic (atoms and molecules) and macroscopic (materials) worlds is challenging and requires construction strategies. At the intersection of supramolecular and solid state chemistry and material sciences, we have developed an approach called molecular tectonics. This approach is based on…

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March 2017

Prof. Paolo Melchiorre “Enantioselective Photo-Organocatalysis: Making Chiral Molecules with Light”

March 20 @ 4:30 pm
ISIS,

Enantioselective Photo-Organocatalysis: Making Chiral Molecules with Light Paolo Melchiorre1,2 1ICIQ - Institute of Chemical Research of Catalonia, Av. Països Catalans 16, 43007 (Tarragona, Spain); 2ICREA - Pg. Lluís Companys 23, 08010 (Barcelona, Spain) e-mail: pmelchiorre@iciq.es Light-driven processes considerably enrich the modern synthetic repertoire, offering a potent way to build complex organic frameworks.1 In contrast, it is difficult to develop enantioselective catalytic photoreactions that can create chiral molecules with a well-defined three-dimensional arrangement.2 Recently, our research laboratories3 has started a program…

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Dr. Max HANSMANN “Gold and boron – Two useful electrophiles in Organic Synthesis”

March 21 @ 2:30 pm
ISIS,

Dr. Max HANSMANN University of California – Dpt of Chemistry - San Diego - La Jolla (USA) (http://bertrandgroup.ucsd.edu/Site_Bertrand_group/Max.html) Gold and boron - Two useful electrophiles in Organic Synthesis Mardi 21 mars 2017 - 14h30 ISIS, salle de conférence, 8 allée Gaspard Monge, Campus Esplanade (http://isis.unistra.fr/conferences-isis/)

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Prof. Daan Frenkel “The puzzle of self-assembly and the self-assembly of puzzles”

March 27 @ 4:30 pm
ISIS,

A holy grail of nano-technology is to create truly complex, multi-component structures by self-assembly. Most self-assembly has focused on the creation of "structural complexity". In my talk, I will discuss "Addressable Complexity": the creation of structures that contain hundreds or thousands of distinct building blocks that all have to find their place in a 3D structure. Recent experiments have demonstrated the feasibility of making such structures. Simulation and theory yield surprising insights that can inform the design of novel structures…

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April 2017

Professor Ivan A PRAHAMIAN “Hydrazone-Based Switches and Fluorophores”

April 27 @ 4:30 pm
ISIS,

CONFERENCE Professor Ivan APRAHAMIAN Department of Chemistry, Dartmouth College Hanover, NH. Hydrazone-Based Switches and Fluorophores Jeudi 27 avril 2017 16:30 ISIS, salle de conférence - 8 allée Gaspard Monge, Campus Esplanade

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May 2017

Prof Lutz GADE “Enantioselective Catalysis with 3d Transition Metal Complexes: Chiral Pincers as Stereodirecting Ligands”

May 22 @ 4:30 pm
ISIS,

  Lutz H. Gade Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, D-69120 Heidelberg email: lutz.gade@uni-heidelberg.de Meridionally coordinating chiral tridentate ligands, frequently referred to as “pincers”, provide the structural platform for the construction of efficient stereodirecting molecular environments. Whilst many of the known chiral systems of the “pincer” type perform relatively poorly in enantioselective catalysis due to certain lack of control of substrate orientation, their assembly from rigid heterocyclic units recently has given rise to several highly enantioselective catalysts which…

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