PROCESS FOR PREPARING 5- AND 6-NITRO-1,2,3,4-TETRAHYDRO-ANTHRAQUINONE DERIVATIVES FROM 1,2,3,4,4A,9A-HEXAHYDRO-ANTHRACENE-9,10-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.