Process for the preparation of the 5- and 6-nitro derivatives of 1,2,3,4- tetrahydro-anthraquinone from 1,2,3,4,4a,9a-hexahydro-9,10- anthracene- dione

摘要

Process for the preparation of the mononitro derivatives substituted in positions 5 or 6 of 1,2,3,4-tetrahydro-anthraquinone, which comprises nitrating 1,2,3,4,4a,9a-hexahydro-9,10-anthracene-dione by means of nitric acid or a mixture of nitric acid and sulfuric acid.