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Carboxylic Acids and Derivatives Conductivity of carboxylic acids, pH of acetic acid derivatives, hydrophobic effect, and soap emulsions of hydrocarbons are demonstrated.
Organic : FunctionalGroups (18 Variations) The structure for niacin (one of the B-vitamins) is shown below. Which of the following functional groups is present in niacin?
The Synthesis of a Cockroach PheromonePatty L. Feist This paper describes the synthesis of gentisyl quinone isovalerate or blattellaquinone, a sex pheromone of the German cockroach and a compound with real-world applications. The experiment also affords students practice in extraction as well as IR and NMR spectroscopy. Feist, Patty L. J. Chem. Educ.2008, 85, 1548.
Esters |
IR Spectroscopy |
Natural Products |
NMR Spectroscopy |
Oxidation / Reduction |
Synthesis
Mosher Amides: Determining the Absolute Stereochemistry of Optically-Active AminesDamian A. Allen, Anthony E. Tomaso, Jr., Owen P. Priest, David F. Hindson, and Jamie L. Hurlburt In this experiment, teams of students are given an optically-pure amine of known structure but unknown stereochemistry. Different teams derivatize samples of the amine with (R) and (S) conformations of Mosher's acid chloride. The resulting diastereomers are analyzed by NMR to determine the absolute configuration of the initial, unknown amine. Allen, Damian A.; Tomaso, Anthony E., Jr.; Priest, Owen P.; Hindson, David F.; Hurlburt, Jamie L. J. Chem. Educ.2008, 85, 698.
Amides |
Chirality / Optical Activity |
Chromatography |
Diastereomers |
Microscale Lab |
NMR Spectroscopy |
Stereochemistry
A Guided-Inquiry Approach to the Sodium Borohydride Reduction and Grignard Reaction of Carbonyl CompoundsRobert E. Rosenberg Students teams identify unknowns and their reaction products and use their data to deduce that esters are less electrophilic than the other carbonyl compounds present, that Grignard reagents are more nucleophilic than sodium borohydride, and that carboxylic acid derivatives do not undergo the nucleophilic addition reactions that are characteristic of aldehydes and ketones. Rosenberg, Robert E. J. Chem. Educ.2007, 84, 1474.
ChemPaths 104 M Jan 24John W. Moore Today in Chem 104:
* Lecture: Organic Chemistry
* Reading:
Kotz: Ch. 10, Sec. 3-4
Moore: Ch. 12: Sec. 1, 3-4
* Practice Quiz, Homework #1 due by 11:55pm Today!
* Also, Safety Quiz is due before lab this week.
Alcohols |
Ethers |
Aldehydes / Ketones |
Carboxylic Acids |
Amines / Ammonium Compounds
Carboxylic AcidsEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Carboxylic Acids
Weak AcidsEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
