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1 Assessment Questions
43 Journal Articles
1 Other Resources
Assessment Questions: 1 results
NMR (19 Variations)
A collection of 19 assessment questions about NMR
NMR Spectroscopy |
Alkenes |
Alkynes |
Aldehydes / Ketones |
Aromatic Compounds |
Alkanes / Cycloalkanes |
Epoxides |
Ethers |
Alcohols |
Phenols |
IR Spectroscopy |
Esters
Journal Articles: First 3 results.
Pedagogies:
A More Challenging Interpretative Nitration Experiment Employing Substituted Benzoic Acids and Acetanilides  Edward M. Treadwell and Tung-Yin Lin
An experiment is described involving the nitration of ortho or meta, monosubstituted benzoic acids and monochlorinated acetanilides with nitric acid to evaluate the regioselectivity of addition through computational methods and 1H NMR spectroscopy.
Treadwell, Edward M.; Lin, Tung-Yin. J. Chem. Educ. 2008, 85, 1541.
Aromatic Compounds |
Computational Chemistry |
Electrophilic Substitution |
Molecular Modeling |
NMR Spectroscopy |
Synthesis
Isolation of Betulin and Rearrangement to Allobetulin  Brian Green, Michael D. Bentley, Bong Y. Chung, Nicholas G. Lynch, and Bruce L. Jensen
Betulin is obtained by extraction from birch bark and converted to allobetulin. Both compounds display 1H NMR spectra that include axialequatorial coupling characteristic of a C3-alcohol, conformational analysis by the use of dihedral angles and the Karplus equation, coupling patterns caused by diastereotopic protons and long-range interactions, and chemical shift values that are influenced by electronegativity and stereochemistry.
Green, Brian; Bentley, Michael D.; Chung, Bong Y.; Lynch, Nicholas G.; Jensen, Bruce L. J. Chem. Educ. 2007, 84, 1985.
Biosynthesis |
IR Spectroscopy |
Microscale Lab |
NMR Spectroscopy |
Synthesis |
Natural Products
A Green Alternative to Aluminum Chloride Alkylation of Xylene  Grigoriy A. Sereda and Vikul B. Rajpara
Presents a simple laboratory experiment that introduces organic chemistry students to the basic principles of green technologies, such as lack of toxic or bulk byproducts, nontoxicity, and reusability of the catalyst.
Sereda, Grigoriy A.; Rajpara, Vikul B. J. Chem. Educ. 2007, 84, 692.
Alkylation |
Green Chemistry |
Catalysis |
NMR Spectroscopy |
Reactions |
Synthesis
View all 43 articles
Other Resources: 1 results
Mechanisms That Interchange Axial and Equatorial Atoms in Fluxional Processes  Marion E. Cass, Henry S. Rzepa, King Kuok Hii
The Berry pseudorotation is a classical mechanism for interchanging axial and equatorial ligands in molecules with trigonal bipyramidal geometry. Teaching this mechanism presents particular pedagogic problems due to both its dynamic and three dimensional character. The approach taken here illustrates these processes using interactive animations embedded in a Web page and overcomes many limitations of a printed page.
Computational Chemistry |
Molecular Properties / Structure |
Nonmetals |
Enantiomers |
NMR Spectroscopy |
Mechanisms of Reactions |
Molecular Mechanics / Dynamics