Title:
MANUFACTURE OF 1-AMINO-2-BROMO-4-HYDROXYANTHRAQUINONE
Document Type and Number:
Japanese Patent JPS60233040
Kind Code:
A
Abstract:
1-Amino-2-bromo-4-hydroxyanthraquinone is obtained in good yields and in an environmentally acceptable manner by bromination of 1-aminoanthraquinone in 2 to 5 times the quantity by weight of 80 to 98% strength sulphuric acid and using 1.1-1.5 mole of bromine under elevated pressure.
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Inventors:
HERUMUUTO DEITSUTOMAA
YURUGEN SHIYUNAIDAA
FUUBERUTO SHIEENHAAGEN
KURAUSU KURIYUUGAAMAN
YURUGEN SHIYUNAIDAA
FUUBERUTO SHIEENHAAGEN
KURAUSU KURIYUUGAAMAN
Application Number:
JP1670285A
Publication Date:
November 19, 1985
Filing Date:
February 01, 1985
Export Citation:
Assignee:
BAYER AG
International Classes:
C09B1/503; C07C225/36; C09B1/50; (IPC1-7): C07C97/26; C09B1/50
Attorney, Agent or Firm:
Heikichi Odashima
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