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Introduction of a simple experiment for the undergraduate organic chemistry laboratory demonstrating the Lewis acid and shape-selective properties of zeolite Na-Y

Maloney, Vincent, Szczepanski, Zach and Smith, Keith 2017. Introduction of a simple experiment for the undergraduate organic chemistry laboratory demonstrating the Lewis acid and shape-selective properties of zeolite Na-Y. Journal of Chemical Education 94 (9) , pp. 1343-1346. 10.1021/acs.jchemed.6b00662

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Abstract

A simple, inexpensive, discovery-based experiment for undergraduate organic laboratories has been developed that demonstrates the Lewis acid and shape-selective properties of zeolites. Calcined zeolite Na-Y promotes the electrophilic aromatic bromination of toluene with a significantly higher para/ortho ratio than observed under conventional conditions. The experiment can be completed in one three-hour laboratory period. The zeolite can be recovered and regenerated for later reuse. A broad range of organic course topics from orientation in electrophilic aromatic substitution to photochemistry can be discussed.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: American Chemical Society
ISSN: 0021-9584
Date of First Compliant Deposit: 18 July 2017
Date of Acceptance: 13 July 2017
Last Modified: 13 Jul 2018 01:30
URI: http://orca.cf.ac.uk/id/eprint/102553

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