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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
A-DNA and B-DNA: Comparing Their Historical X-ray Fiber Diffraction ImagesAmand A. Lucas This paper provides a comparative explanation of the structural content of the diffraction diagrams of A-DNA and B-DNA that facilitated the discovery of the double-helical structure of DNA by Watson and Crick in 1953. This analysis is supported a method that simulates both A-DNA and B-DNA X-ray images optically. Lucas, Amand A. J. Chem. Educ.2008, 85, 737.
Biophysical Chemistry |
Conformational Analysis |
Crystals / Crystallography |
X-ray Crystallography |
Nucleic Acids / DNA / RNA
Pyrolysis of Aryl Sulfonate Esters in the Absence of Solvent: E1 or E2? A Puzzle for the Organic LaboratoryJohn J. Nash, Marnie A. Leininger, and Kurt Keyes An aryl sulfonate ester is synthesized and then pyrolyzed at reduced pressure. The volatile products are analyzed using gas chromatography to determine whether the thermal decomposition occurs via an E1 or E2 mechanism. Nash, John J.; Leininger, Marnie A.; Keyes, Kurt . J. Chem. Educ.2008, 85, 552.
