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C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B29/00—Monoazo dyes prepared by diazotising and coupling
C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
C09B29/3647—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms
C09B29/3652—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms containing a 1,2-diazoles or hydrogenated 1,2-diazoles
C09B29/366—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms containing a 1,2-diazoles or hydrogenated 1,2-diazoles containing hydroxy-1,2-diazoles, e.g. pyrazolone
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Chemical & Material Sciences
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Organic Chemistry
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Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Description
tiERÜN. GEDRÜCKT IN DER REICHSDRUaKEREi.ANIMAL GREEN. PRINTED IN THE REICHSDRUaKEREi.
Claims (1)
Patent-Anspruch:Patent claim:Verfahren zur Darstellung von Orthooxyazofarbstoffen, dadurch gekennzeichnet,
daß die Chlor-i-diazo-2-oxy- oder die -2-diazo-i-oxynaphthalinsulfosäuren
mit Pyrazolonen gekuppelt werden.Process for the preparation of orthooxyazo dyes, characterized in that
that the chloro-i-diazo-2-oxy- or the -2-diazo-i-oxynaphthalene sulfonic acids
be coupled with pyrazolones.