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Other Resources: 15 results
ChemPaths 104 F Jan 21  John 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
Properties of Alkanes  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Chirality / Optical Activity
Collection of Chiral Drug, Pesticide, and Fragrance Molecular Models  William F. Coleman
The article by Mannschreck, Kiessewetter, and von Angerer on the differential interactions between enantiomers and biological receptors (1) is the source for this month's Featured Molecules. Included in the molecule collection are all of the molecules described in the paper. In many instances we have included structures of multiple optical isomers of the same molecule so that students can not only see the forms that are active, but those that are less active, inactive, or act in an undesirable manner. These molecules will serve as good practice in determining optical configurations, and will also introduce additional forms of isomerism that students may be less familiar with than they are with R and S. Since multiple enantiomers and diastereomers are provided, students may use these molecules, together with an appropriate computational package, to verify that enantiomers have the same energy while diastereomers do not. The tuberculosis drug ethambutol provides an interesting case as both nitrogen atoms are also chiral as well as the two chiral carbon atoms. A calculation on a given structure will include the effect of that nitrogen chirality, although nitrogen inversion is expected to be quite rapid in this molecule. The conformations for the ethambutol molecules that are included here consider all four chiral atoms and are of the form (CNNC). A reasonable computational exercise would be to find the transition state for nitrogen inversion and the barrier height for that process. The supplemental material that is included with the featured article (1) includes a number of molecules that we will add to the collection as time permits. The result, including enantiomers and diastereomers, will be well over 200 additional molecules. A notice will appear in the JCE Featured Molecules column when this new set of molecules is available in JCE Online.
Chirality / Optical Activity |
Biosignaling
Stereochemistry Tutorial  Nicola 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
The Amino Acids  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Amino Acids |
Chirality / Optical Activity
Alkanes  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Alkanes / Cycloalkanes
Cycloalkanes  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Alkanes / Cycloalkanes
Hexane 1 (GCMP)  David M. Whisnant
Hexane 1: this is a resource in the collection "General Chemistry Multimedia Problems". Hexane, a liquid hydrocarbon with the formula C6H14, burns when ignited in the presence of oxygen. In this problem we will observe videos of this combustion reaction. General Chemistry Multimedia Problems ask students questions about experiments they see presented using videos and images. The questions asked apply concepts from different parts of an introductory course, encouraging students to decompartmentalize the material.
Alkanes / Cycloalkanes
Hexane 2 (GCMP)  David M. Whisnant
Hexane 2: this is a resource in the collection "General Chemistry Multimedia Problems". Hexane, a liquid hydrocarbon with the formula C6H14, burns when ignited in the presence of oxygen. In this problem we will observe videos of this combustion reaction. General Chemistry Multimedia Problems ask students questions about experiments they see presented using videos and images. The questions asked apply concepts from different parts of an introductory course, encouraging students to decompartmentalize the material.
Alkanes / Cycloalkanes
Alkanes with Cultural Connections  Garrett Schwarzman
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Alkanes / Cycloalkanes
Organic Compounds: Hydrocarbons  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Alkanes / Cycloalkanes
Carbon Compounds  
Volume 03, issue 13 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Bioorganic Chemistry |
Alkanes / Cycloalkanes
Organic Compounds of Carbon  
Volume 04, issue 13 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Bioorganic Chemistry |
Alkanes / Cycloalkanes
Carbon and Its Organic Compounds  
Volume 05, issue 13 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Bioorganic Chemistry |
Alkanes / Cycloalkanes
Alkanes in Astronomy  Robert Hetue
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Alkanes / Cycloalkanes |
Astrochemistry