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Highly regioselective dinitration of toluene over reusable zeolite H-beta

Smith, Keith, Alotaibi, Mohammad Hayal H. and El-Hiti, Gamal A. 2013. Highly regioselective dinitration of toluene over reusable zeolite H-beta. Journal of Catalysis 297 (1) , pp. 244-247. 10.1016/j.jcat.2012.10.017

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A nitration system comprising nitric acid, propanoic anhydride and zeolite H-beta has been developed for dinitration of toluene to give 2,4-dinitrotoluene in 98% yield, with a 2,4-:2,6-dinitrotoluene ratio of over 120. This represents the most selective quantitative method for 2,4-dinitration of toluene; the catalyst is re-usable, solvent is not needed and an aqueous work-up is not required.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Nitration; Acidic zeolite catalysis; Propanoyl nitrate; Mono-substituted benzenes; Zeolite Hβ; Regioselectivity
Publisher: Elsevier
ISSN: 0021-9517
Date of First Compliant Deposit: 30 March 2016
Last Modified: 13 Jan 2018 20:55

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