Dr Adam F. Lee Background

Slides:



Advertisements
Similar presentations
Suzuki Coupling in LC Synthesis Yu Ding Nov
Advertisements

An enzyme is a biological catalyst that speeds up the rate of reactions in biological processes All enzymes are proteins, coded for by genes Enzymes are.
Mr. Azizullah Fazaia Degree college, Peshawar. To teach the students the chemical processes which takes place in the presence of a catalyst.
Chapter 12.1 and 12.4 of A Natural Approach to Chemistry Reaction Rates.
Introduction to catalysis chemistry
 Reactants must collide with proper orientation and sufficient energy.
Catalysis and Catalysts - Infrared Spectroscopy Infrared Spectroscopy Applications:  Catalyst characterisation –direct measurement of catalyst IR spectrum.
REACTORS By: Shaimaa Soarkati, CHBE446 Section: 0301 A.James Clark School of Engineering By: Shaimaa Soarkati, CHBE446 Section: 0301 A.James Clark School.
Chapter 13 Chemical Kinetics 2008, Prentice Hall Chemistry: A Molecular Approach, 1 st Ed. Nivaldo Tro Roy Kennedy Massachusetts Bay Community College.
Unit 7: Reaction Energy SECTION 1: REACTION RATE.
Types of Reactions and Reaction Rates
Reaction Rate. Reaction Rate: It’s the change in the concentration of reactants per unit time as reaction proceeds. The area of chemistry that is concerned.
EXPLORING SOLID-LIQUID INTERFACIAL CHEMISTRY DURING CATALYST SYNTHESIS Christopher T. Williams, John R. Monnier, John R. Regalbuto USC Center for Rational.
Chemical Kinetics The area of chemistry that concerns reaction rates and reaction mechanisms.
$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300.
Organometallic Compounds
Spring 2011Dr. Halligan CHM 236 Organometallic Compounds Chapter 11.
Electronic Structure and Chemical Reactivity
Catalysis.
Unit 9 – Reaction Rates and Equilibrium The area of chemistry that concerns reaction rates (how fast a reaction occurs)
Redox Relay Heck Reaction
Chapter 17 Section 2 Reaction Rate p Reaction Kinetics Chapter 17 Modern Chemistry Sections 1 & 2 The Reaction Process Reaction Rate.
H+H+ H+H+ H+H+ OH - New Way Chemistry for Hong Kong A-Level Book 2 1 Chapter 15 The Effect of Temperature Change and Catalyst on Reaction Rate 15.1Effect.
Chemistry 1011 Slot 51 Chemistry 1011 TOPIC Rate of Reaction TEXT REFERENCE Masterton and Hurley Chapter 11.
Chemical Kinetics and Rates of Reaction McGraw-Hill Chemistry Text Read Pg: and
ENTHALPY Activation energy, the activated complex, and the effect of a catalyst.
Dynamics theory and experiment 1. Atomic motion and energy flow in the reacting molecules. 2. Atomic motion and energy flow in the reacting surface/substrate.
RATES OF REACTION. Rates of Reaction The rate of a chemical reaction is the speed at which the reaction occurs (i.e. speed at which the reactants are.
Shavorskiy Andrey Reading group under Dr. Georg Held`s supervision From: Novosibirsk Russia.
Reaction Process. A reaction mechanism is a step by step sequence of reactions that show an overall chemical change The same reaction can occur by different.
COLLISION THEORY. HOW REACTIONS HAPPEN Rate of reaction – How quickly a reaction happens. 1.Energy of the collision: Reactant must have enough energy.
Potential Energy Diagrams
Direct Heteroarylation: A Modern Synthetic Tool for the Synthesis of Liquid Crystalline Organic Semiconductors M. R. Billa, S. P. Kitney, S.M. Kelly The.
AMITY UNIVERSITY SUZUKI AND SONOGASHIRA CROSS COUPLING REACTION
Redox Relay Heck Reaction
Professor James Whitten Department of Chemistry Chairman Surface Chemistry, Metal Oxides, Chemical Sensors, Photocatalysis, Spectroscopy Research Group:
SRI 2000 Berlin, August 21-25, 2000 High-Pressure Low-Energy X-Ray Absorption Spectroscopy: A Tool to investigate heterogeneous catalytic Processes under.
Reaction Process.
X-Ray Photoelectron Spectroscopy of MgO on Graphene
Chemical Reactions, Energy & enzymes
Controlled Palladium(0)-Catalyzed Cross-Coupling Polymerizations
Catalysis Catalyst: A substance that speeds up a reaction without being consumed Enzyme: A large molecule (usually a protein) that catalyzes biological.
Activation energy, the activated complex, and the effect of a catalyst
Catalysis Catalyst: A substance that speeds up a reaction without being consumed Enzyme: A large molecule (usually a protein) that catalyzes biological.
Daiju Matsumura, Takuya Tsuji, Yasuo Nishihata
Higher Chemistry, Unit 1(a)
الفعل ورد الفعل ♠ ♠ ♠ مجلس أبوظبي للتعليم منطقة العين التعليمية
6.4 Cloning & Biotechnology
Transition metal-catalyzed [3+2] cycloaddition reactions incorporating carbon dioxide under mild conditions George E. Greco, Department of Chemistry, Goucher.
Reaction time زمن الرجع.
Vibrational Sum-Frequency probe of interfacial electron transfer dynamics Tianquan Lian, Department of Chemistry, Emory University, Atlanta, GA System:
Structure and action of enzymes
All enzymes are …………. molecules
Photoelectron Spectroscopy
A New Twist on Pincer Complexes for Catalysis John Protasiewicz, Department of Chemistry Case Western Reserve University, Cleveland, Ohio High twist.
Synthesis of Indole Oligomers Via Iterative Suzuki Couplings
Studies of the Interfaces between Conjugated Oligomers and Self-Assembled Monolayers James E. Whitten, Department of Chemistry and Center for Advanced.
Enzymes.
Higher Revision Slides
Thomas Schaub, Marc Backes, and Udo Radius*
by Andy A. Thomas, and Scott E. Denmark
Trilogy – Chemistry – CHAPTER 6 – The rate & extent of chemical change H Draw a diagram to show how the rate of reaction changes with INCREASING concentration.
Rate Affecting Factors
Section 1: Reaction Rate
C. Wade Downey, University of Richmond, Richmond, VA
What do these graphs represent?
A New Horizon for Fischer-Tropsch Synthesis
Using Model Systems to Enhance Understanding of Silica Surface Reactions Jonathan P. Blitz, Department of Chemistry, Eastern Illinois University Chemistry.
Catalysis Catalyst: A substance that speeds up a reaction without being consumed Enzyme: A large molecule (usually a protein) that catalyzes biological.
Bioorthogonal Nanozymes: Progress towards Therapeutic Applications
Presentation transcript:

Fast X-ray Photoelectron Spectroscopy of Pd-Catalysed Cross-Coupling Surface Reactions Dr Adam F. Lee Background Pd-catalysed cross-coupling reactions are key technologies employed within academia and industry to construct complex molecules from simple precursors. Here we explore alternative, heterogeneous synthetic processes through fundamental single-crystal studies into Heck and Suzuki-Miyaura chemistry over Pd model catalyst surfaces. Pd colloid or Pd/SiO2,C Base + Heck + Pd colloid or Pd/SiO2,C Base Suzuki Fast XPS Record spectra as fn.: 1. Time  adsorption 2. Temperature  reaction