'Angew' diaporamas de présentation

Chapter 16

Chapter 16. Aldehydes & Ketones: Nucleophilic Addition to the Carbonyl Group. About The Authors. These PowerPoint Lecture Slides were created and prepared by Professor William Tam and his wife, Dr. Phillis Chang.

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Prediction of protein structure

Prediction of protein structure. aim. Structure prediction tries to build models of 3D structures of proteins that could be useful for understanding structure-function relationships. Genbank/EMBL 105.000.000 Uniprot 5.200.000 PDB 47.000 . DNA sequence. Protein sequence.

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The Total Synthesis of Phalarine : Racemic and Enantiopure Routes

The Total Synthesis of Phalarine : Racemic and Enantiopure Routes. Anthony Pianosi CHM 8256S December 9, 2010. Where Does Phalarine Come From?. Phalaris coerulescens (Blue Canary Grass). Colgate and colleagues isolated phalarine in 1999

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Scanning probe microscopy (SPM) and lithography

Scanning probe microscopy (SPM) and lithography. Atom and particle manipulation by STM and AFM. AFM oxidation of Si or metals. Dip-pen nanolithography (DPN). Resist exposure by STM field emitted electrons. Indentation, scratching, thermal-mechanical patterning.

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Iron Catalyzed Cross-Coupling Reaction: Recent Advances and Primary Mechanism

Iron Catalyzed Cross-Coupling Reaction: Recent Advances and Primary Mechanism. Wang Chao 2010.11.6. General:. Cheap Enviromentally benign Sustainable Unique reactivity. Genesis:. Kharasch: J. Am. Chem. Soc. 1941 , 63 , 2316. Kochi: J. Am. Chem. Soc. 1971 , 93 , 1487.

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Diffusion Ordered Spectroscopy

Diffusion Ordered Spectroscopy. Diffusion Ordered Spectroscopy. Provides a way to separate different compounds in a mixture based on the differing translational diffusion coefficients (differences in the size and shape of a molecule)

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The AD Catalytic Cycle

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Nazarov Cyclization

Nazarov Cyclization. Photochromic materials. HSAB Principle. Atomic (ionic) radius Effective nuclear charge Electron negativity Polarizability Oxidizability Frontier Molecular Orbitals. HSAB Principle. Hard nucleophiles have a low-energy HOMO and usually have a negative charge.

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Redox Neutral Reactions

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Biological and Catalytic Conversion of Biomass to Biofuels and Chemicals Jingguang Chen Chemical Engineering

Biological and Catalytic Conversion of Biomass to Biofuels and Chemicals Jingguang Chen Chemical Engineering. Molecular Architecture of Plant Cell Walls ( lignocellulosic biomass). 200 nm. McCann et al. 1990 J. Cell Sci. 96 , 323-334. Lignin and Cellulose Molecules.

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Propose plausible mechanisms for the following transformation:

Propose plausible mechanisms for the following transformation:. Source: Angew. Chem. Int. Ed 2012 , 51 , 513. Keywords: ligation, oxaziridine , decarboxylation. Provide a mechanism for the following transformation:. Source: J. Phys. Chem. A 2010 , 114 , 13086.

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Cyclic Polymers: Molecular Knots Robert M. Waymouth, Stanford University, DMR 1001903

Cyclic Polymers: Molecular Knots Robert M. Waymouth, Stanford University, DMR 1001903.

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2007 ?????????????? ????? ????? 2003-2007 Scripps ??????

??? ??? jwang@ibp.ac.cn. 2007 ?????????????? ????? ????? 2003-2007 Scripps ?????? 1998-2003 Univ. of Illinois at Urbana-Champaign ???????? 1994-1998 ???????????? , ??????????. ????????.

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