ES213476A1 - A procedure for the preparation of metalizable monoazocolorizers (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of metalizable monoazocolorizers (Machine-translation by Google Translate, not legally binding)
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Novartis AG
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JR Geigy AG
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Priority to ES213476ApriorityCriticalpatent/ES213476A1/en
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Procedure for the preparation of metallizable monoazo dyes, characterized in that a diazotized compound 6-acylamino-2-amino-1-oxybenzole containing a usual substituent in azo dyes in position 4 of the benzole ring is transformed by coupling with a 2-oxy acid -acylaminonaphthalene monosulfonic coupling in position 1 of the naphthalene ring, in dyes of the general formula I, **FORMULA** in which they mean, R1 and R2, carbacil radicals, and X, a usual substituent in azo dyes. (Machine-translation by Google Translate, not legally binding)
ES213476A1954-02-041954-02-04A procedure for the preparation of metalizable monoazocolorizers (Machine-translation by Google Translate, not legally binding)
ExpiredES213476A1
(en)