ES347093A1 - A procedure for preparing a monoazoic coloring soluble in water. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for preparing a monoazoic coloring soluble in water. (Machine-translation by Google Translate, not legally binding)
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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Publication of ES347093A1publicationCriticalpatent/ES347093A1/en
A procedure for preparing a water soluble monoazo dye represented by the general formula: **(See formula)** wherein R1 and R2 individually signify a hydrogen atom, a halogen atom, an alcohol group or a cyclo alcohol group; and R3 and R4 individually signify a hydrogen atom, a halogen atom or a methyl group, characterized by diazotizing a 2-aminodiphenyl ether, or a derivative thereof, represented by the general formula: **(See formula)** wherein R1, R2 and R3 are as defined above, and then couple the diazotized ether, or derivative thereof, with a coupling component represented by the general formula: **(See formula)** where R4 is as defined above. (Machine-translation by Google Translate, not legally binding)
ES347093A1966-11-141967-11-13A procedure for preparing a monoazoic coloring soluble in water. (Machine-translation by Google Translate, not legally binding)
ExpiredES347093A1
(en)