期刊
JOURNAL OF CATALYSIS
卷 297, 期 -, 页码 244-247出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2012.10.017
关键词
Nitration; Acidic zeolite catalysis; Propanoyl nitrate; Mono-substituted benzenes; Zeolite H beta; Regioselectivity
资金
- Saudi Government
- Cardiff University
A nitration system comprising nitric acid, propanoic anhydride, and zeolite lip 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 reusable, solvent is not needed, and an aqueous work-up is not required. (c) 2012 Elsevier Inc. All rights reserved.
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