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Chirality A series of chiral and achiral objects, the interaction of polarized light with organic molecules, the assignment of R- and S- configuration, Fisher projections, and a stereospecific reaction are demonstrated.
Study of Molecular-Shape Selectivity of Zeolites by Gas ChromatographyPei-Yu Chao, Yao-Yuan Chuang, Grace Hsiuying Ho, Shiow-Huey Chuang, Tseng-Chang Tsai, Chi-Young Lee, Shang-Tien Tsai, and Jun-Fu Huang This analytical or physical chemistry sorption experiment uses hexane isomers as probe molecules to demonstrate the "molecular-shape selectivity" behavior of zeolites. Students can also modify the sorption protocol to build their own experiments. Chao, Pei-Yu; Chuang, Yao-Yuan; Ho, Grace Hsiuying; Chuang, Shiow-Huey; Tsai, Tseng-Chang; Lee, Chi-Young; Tsai, Shang-Tien; Huang, Jun-Fu. J. Chem. Educ.2008, 85, 1558.
Alkanes / Cycloalkanes |
Constitutional Isomers |
Gas Chromatography |
Molecular Properties / Structure |
Physical Properties |
Separation Science |
Solid State Chemistry |
Molecular Recognition
The Synthesis of N-Benzyl-2-azanorbornene via Aqueous Hetero Diels–Alder ReactionXavier Sauvage and Lionel Delaude Characterization of the product of this organic synthesis through IR and NMR data analysis provides valuable material to familiarize students with different types of protonproton coupling patterns and their typical ranges, serves to illustrate the concepts of green chemistry and atom efficiency, and can be used to exemplify structural analysis and computational studies. Sauvage, Xavier; Delaude, Lionel. J. Chem. Educ.2008, 85, 1538.
Alkenes |
Aqueous Solution Chemistry |
Conformational Analysis |
Green Chemistry |
IR Spectroscopy |
Molecular Modeling |
NMR Spectroscopy |
Stereochemistry |
Synthesis
Borohydride Reduction of EstroneAnimesh Aditya, David E. Nichols, and G. Marc Loudon This experiment presents a guided-inquiry approach to the demonstration of diastereoselectivity using chiral hindered ketones that undergo facile reduction with sodium borohydride. The resulting diastereomeric estradiols can be analyzed and differentiated by thin-layer chromatography and melting point. Aditya, Animesh; Nichols, David E.; Loudon, G. Marc. J. Chem. Educ.2008, 85, 1535.
ChemPaths 104 F Jan 21John W. Moore Today in Chem 104:
* Lecture: Organic Structures; Isomers
* Reading:
Kotz Ch. 10, Sec. 1-2; Appendix E (pp. A-17-20)
Moore Ch. 3: Sec. 3-4; Ch. 8: Sec. 3, 5; App E (pp. A.26-A.30)
* Practice Quiz and Homework #1 are due by 11:55 pm M Jan 24.
Alkanes / Cycloalkanes |
Constitutional Isomers
Stereochemistry TutorialNicola Burrmann Master the concepts organic stereochemistry with this interactive tutorial. It includes definitions, different three dimensional representations, assigning priorities to stereocenters, and determining the stereochemical relationship between molecules. Each section is followed by a question set that tests knowledge and understanding.
Stereochemistry |
Chirality / Optical Activity
Mage; A Tool for Developing Interactive Instructional GraphicsStephen F. Pavkovic Mage is a graphics program especially well suited for visualizing three-dimensional structures of proteins and other macromolecules. It is an important tool for biochemists and finds many applications in biochemistry courses. We utilize Mage to create interactive instructional graphics of potential use in a wider range of undergraduate chemistry courses, and present some of those applications here.
