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  Home > JCE Print > Journal of Chemical Education > Issues > 2005  > April  >
In the Laboratory
Green Chemistry
A Green Starting Material for Electrophilic Aromatic Substitution for the Undergraduate Organic Laboratory
T. Michelle Jones-Wilson
Department of Chemistry, East Stroudsburg University of Pennsylvania, East Stroudsburg, PA 18301

Elizabeth A. Burtch
Cleveland, OH 44111

Cover
April 2005
Vol. 82 No. 4
p. 616
Abstract
Traditional experiments in the undergraduate organic chemistry laboratory involve the use of hazardous organic materials. Substitution of alternative green procedures wherever possible reduces organic waste and allows students to consider the need for environmentally sound chemistry. A green electrophilic aromatic substitution reaction (EAS), nitration of tyrosine, has been developed for use in the undergraduate laboratory. This reaction allows students to consider the varied aspects of EAS including activating and deactivating groups and o, p, m directors in a green environment. Product characterization can be accomplished by melting point, UV, or NMR.
Supplement
Instructions for the students and notes for the instructor. including the answers to the prelab questions and comments about the postlab questions, are available.
*  Contents JCE2005p0616W.doc (Microsoft Word)
*  Download
JCE2005p0616W.pdf

JCE2005p0616W.zip
More Information
*  Citation
 Jones-Wilson, T. Michelle; Burtch, Elizabeth A. J. Chem. Educ. 2005 82 616.
*  Keywords
 Amino Acids; Aromaticity / Aromatics; Green Chemistry; Laboratory Instruction; Organic Chemistry; Organic Synthesis
*  History
 Created:
Last Updated:		 March 4, 2005
March 14, 2005
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