Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1995-12-15
1997-01-28
Powers, Fiona T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534581, 534582, C09B 4100
Patent
active
055979050
ABSTRACT:
Described is a process for preparing benzothiazolylazoanilines by diazotization of 2-aminobenzothiazoles in a mixture consisting essentially of phosphoric acid, sulfuric acid and water using customary diazotizing agents and subsequent addition of the reaction mixture to an aqueous acidic solution of the anilines.
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Jolanta Sokolowska-Gajda et al., "A New Medium for the Diazotization of 2-Amino-6-Nitrobenzothiazole and 2-Aminobenzothiazole", Dyes and Pigments, vol. 20, pp. 137-145, 1992.
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Powers Fiona T.
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