Aminophenylbenzothiazoles

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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544135, 544368, 548180, C07D27766

Patent

active

047058617

ABSTRACT:
Benzothiazole derivatives of the formula ##STR1## with the substituent meanings mentioned in the description, are starting compounds for the preparation of new azo dyestuffs. Some methods of preparing the new benzothiazole derivatives are described.

REFERENCES:
patent: 2098599 (1937-11-01), Shubert
patent: 2715629 (1955-08-01), Zwilgmeyer
patent: 2733242 (1956-01-01), Libby et al.
patent: 3274171 (1966-09-01), Anderson et al.
patent: 3726851 (1973-04-01), Litke
patent: 3972875 (1976-08-01), Smith
patent: 4001206 (1977-01-01), Schoefberger

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