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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.
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
The Comparative Nucleophilicity of Naphthoxide Derivatives in Reactions with a Fast-Red TR DyeCheryl M. Mascarenhas In this experiment, organic chemistry students perform reactions between three naphthyl acetate derivatives and the diazonium salt Fast-Red TR. Students discover under what conditions the hydrolysis and electrophilic aromatic substitution is fastest and slowest, allowing them to conclude that latter, rather than the former, is rate-limiting. Mascarenhas, Cheryl M. J. Chem. Educ.2008, 85, 1271.
Alcohols |
Aromatic Compounds |
Dyes / Pigments |
Esters |
IR Spectroscopy |
NMR Spectroscopy |
Synthesis |
Thin Layer Chromatography |
UV-Vis Spectroscopy
The Preparation and Enzymatic Hydrolysis of a Library of EstersElizabeth M. Sanford and Traci L. Smith In this investigative case study, students work collaboratively to prepare and characterize a library of esters using Fischer esterification and alcoholysis of acid chlorides and their subsequent enzymatic hydrolysis by pig liver and orange peel esterases. Sanford, Elizabeth M.; Smith, Traci L. J. Chem. Educ.2008, 85, 944.
