Nitration of anthraquinone

1-Nitroanthraquinone of good purity was manufd. in .apprx.88% yield by selective nitration of anthraquinone with 100% HNO3 or NO2 in 83-5% HF at 25-35 Deg, cooling to 0 Deg and filtration, optionally with recycling of the HF mother liquor under H2O and by-product removal. [on SciFinder (R)]


Year:
1975
Publisher:
(Ciba-Geigy A.-G., Switz.).
Patent number(s):
Laboratories:




 Record created 2006-02-22, last modified 2018-03-17


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