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Methods for the nitration of aromatic compounds

University College Cardiff Consultants Ltd 2012. Methods for the nitration of aromatic compounds. WO2012/049513 A1. [Patent].

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Abstract

According to the invention there is provided a method for the nitration of an aromatic compound including the step of reacting the aromatic compound with nitric acid in the presence of an acid anhydride and an aluminosilicate catalyst, in which the acid anhydride is at least one of: ((CnH2n+1)CO)20, where n is 1 to 4 and the moiety CnH2n+1 can be straight or branched chain; ((CHpClq)CO)20, where p is 0 to 2, q is 1 to 3, and p+q = 3; and oxoiane -2, 5-dione, with the proviso that when the acid anhydride is (CH3CO)20, the aromatic compound is toluene, 2-nitrotoluene or 4-nitrotoluene, and the nitration is performed to produce 2,4-dinitrotoluene.

Item Type: Patent
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Additional Information: GB Patent Application GB1017344.1
Date of First Compliant Deposit: 30 March 2016
Last Modified: 06 Aug 2019 22:25
URI: http://orca-mwe.cf.ac.uk/id/eprint/23519

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