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ERIC Number: EJ1062159
Record Type: Journal
Publication Date: 2015-Mar
Pages: 5
Abstractor: As Provided
Reference Count: 18
ISSN: ISSN-0021-9584
A Robust, "One-Pot" Method for Acquiring Kinetic Data for Hammett Plots Used to Demonstrate Transmission of Substituent Effects in Reactions of Aromatic Ethyl Esters
Yau, Hon Man; Haines, Ronald S.; Harper, Jason B.
Journal of Chemical Education, v92 n3 p538–542 Mar 2015
A "one-pot" method for acquiring kinetic data for the reactions of a series of substituted aromatic esters with potassium hydroxide using [supserscript 13]C NMR spectroscopy is described, which provides an efficient way to obtain sufficient data to demonstrate the Hammett equation in undergraduate laboratories. The method is time-efficient and robust, and lends itself to group work. The high throughput nature of the method allows collection of sufficient data to explore the transmission of electronic effects between the aromatic moiety and the ester functionality with varying chain lengths.
Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A