发明授权
US4335050A 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 失效
从1,2,3,4,4a,9a-六氢-9,10-蒽二酮制备1,2,3,4-四氢 - 蒽醌的5-和6-硝基衍生物的方法

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.
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