PDF-Enantiomers

are stereoisomers that are non superimposable mirror images A molecule with 1 chiral carbon atom exists as 2 stereoisomers termed enantiomers see the example below Enantiomers differ in th. Enantiomers stereoisomers whose molecules are nonsuperposable mirror images 2 Diastereomers stereoisomers whose molecules are not mirror images of each other Example cis and trans double bond isomers Example cis and trans cycloalkane isomers Two t 1. Chapter 5. Stereochemistry. Chiral Molecules. About The Authors. . These Powerpoint Lecture Slides were created and prepared by Professor William Tam and his wife Dr. Phillis Chang. . . Professor William Tam received his B.Sc. at the University of Hong Kong in 1990 and his Ph.D. at the University of Toronto (Canada) in 1995. He was an NSERC postdoctoral fellow at the Imperial College (UK) and at Harvard University (USA). He joined the Department of Chemistry at the University of Guelph (Ontario, Canada) in 1998 and is currently a Full Professor and Associate Chair in the department. Professor Tam has received several awards in research and teaching, and according to . Configuration. While conformational isomers are . interconvertable. through rotations about single bonds, . configurational. isomers require bond-breaking and reforming for . interconversion. .. Stereoisomers. Penny Commons. Brendan Abrahams. February STAV . Workshop. Copyright issues. We have replaced the images with their . urls. . Please just click on the . url. and copy the image into the PowerPoint. Any free images have been left in place.. Isomerism. Isomerism. is the phenomenon whereby certain compounds, with the same molecular formula, exist in different forms owing to their different organizations of atoms. The concept of isomerism illustrates the fundamental importance of molecular structure and shape in organic chemistry.. What is the relationship between R,S and . d,l. aka (±)?. There isn’t any!. Interaction with plane polarized light. Nomenclature. All . Isomers . (same molecular formula). Identical. . Enantiomers. Luca Evangelisti and Walther Caminati. Dipartmento di Chimica “Giacomo Ciamician”, Universita Di Bologna. David Patterson. Department of Physics, Harvard University. Yunjie Xu and . Javix. Thomas. CRISTOBAL . PEREZ, . AMANDA L. STEBER, SERGIO R. DOMINGOS. , ANNA . KRIN, DAVID SCHMITZ, MELANIE SCHNELL. .. Max-Planck-. Institute. . for. . the. . Structure. . a. nd Dynamics of . Matter. , . Hamburg. , Taylor Smart, Channing West, Brooks H. Pate, Department of Chemistry, University of Virginia;. Frank E Marshall and G. S. Grubbs II Department of Chemistry, Missouri University of Science and Technology, Rolla, MO, USA;. Department of Chemistry. International Symposium on Molecular Spectroscopy. David Pratt, University of Vermont. Luca Evangelisti University of Bologna. Taylor Smart. , Martin Holdren, Kevin Mayer, Channing West and Brooks Pate, University of Virginia. 3-methylcyclohexanone by Chiral Tag Rotational Spectroscopy and Vibrational Circular Dichroism. Luca . Evangelisti. , . Dipartimento. di . Chimica. G. . Ciamician. , . Università. di Bologna;.  . Chapter 22. PART . 2: Physical Properties & Isomerism. Homologous series. Same general formula with neighboring members of the series differing by –CH. 2. .. Examples:. Alkanes: C. n. H. 2n 2. Methane (CH. Organic Chemistry. , . 8. th. Edition. L. G. Wade, Jr.. Lectures 10-12: . Overview . Chirality. Stereoisomers. Stereocenters. : . Chiral. Centers. (R) & (S) Configurations. 2. Chirality. “Handedness”: Right-hand glove does not fit the left hand.. Chirality. Chiral and Achiral Molecules. A. . chiral . molecule. . is one that is not superimposable with its mirror image.. Carbon becomes chiral when it has four different groups attached. Image By: .