Verfahren zur Herstellung eines Dinitronaphthalin-Isomerengemisches mit hohem Anteil an 1,5-Dinitronaphthalin

摘要

The invention relates to a method for producing a dinitronaphthalene-isomer mixture by nitrating nitronaphthalene. The invention is characterized in that nitronaphthalene is optionally reacted in an inert organic solvent with 1 to 20 times the quantity, in relation to the quantity of nitronaphthalene, of the 50 to 100 % nitric acid in the presence of a solid perfluorinated strong acidic ion exchanger.