http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1352929-A1

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classificationCPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B44-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B67-0076
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classificationIPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B67-34
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B69-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B44-06
filingDate 2003-04-07-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d0e48ebb041b86e68d22275583251a91
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f70e6101fcf5f6b0748cb72de33d5aeb
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publicationDate 2003-10-15-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-1352929-A1
titleOfInvention Process for the manufacture of liquid preparations of basic azo dyes
abstract Y Chlor oder Brom, Z Wasserstoff, Chlor, Brom, Sulfonsäureester, Nitro oderngegebenenfalls substituiertes Sulfamoyl, X R gegebenenfalls durch Sauerstoff,n nunterbrochenes Alkylen, m die Zahl 1 oder 2, n die Zahl 0 oder 1, p die Zahl 0, 1 oder 2, An ⊖ das Äquivalent eines Anions, R 1 und R 2 unabhängig voneinander Wasserstoff, gegebenenfallsnsubstituiertes Alkyl, Alkenyl, Cycloalkyl, Aralkyl oder Arylnoder R 1 und R 2 zusammen mit dem sie verbindenden Stickstoffneinen Heterocyclus, R 3 Wasserstoff oder gegebenenfalls substituiertes Alkyl, B Wasserstoff oder C 1 - bis C 4 -Alkyl, B 1 Wasserstoff, Hydroxy, C 1 - bis C 4 -Alkoxy oder C 1 - bis C 4 -Alkylnbedeuten, wobei R 4 gegebenenfalls für substituiertes Alkyl und R 5 für Wasserstoff oder C 1 - bis C 4 -Alkyl stehtnund der Restn nauch einen gegebenenfalls substituierten Piperazinrestnbedeuten kann, ndurch Diazotierung eines Amins der Formel IIn nund anschließende Kupplung des Diazoniumsalzes auf eine Verbindungnder Formel IIIn nsowie gegebenenfalls der Zugabe von solubilisierenden Zusätzen,nindem man für die Diazotierung den pH-Wert mit reiner Methansulfonsäurenoder mindestens 20 mol-%igen Mischungen vonnMethansulfonsäure in einbasigen Säuren sauer einstellt.Process for the preparation of liquid formulations of dyes of the general formula I in the Y Chlorine or bromine, Z Hydrogen, chlorine, bromine, sulfonic acid ester, nitro or optionally substituted sulfamoyl, X R optionally by oxygen, interrupted alkylene, m the number 1 or 2, n the number 0 or 1, p the number 0, 1 or 2, On ⊖ the equivalent of an anion, R 1 and R 2 independently of one another hydrogen, optionally substituted alkyl, alkenyl, cycloalkyl, aralkyl or aryl or R 1 and R 2 together with the nitrogen connecting them a heterocycle, R 3 Hydrogen or optionally substituted alkyl, B Hydrogen or C 1 - to C 4 -alkyl, B 1 Are hydrogen, hydroxy, C 1 - to C 4 -alkoxy or C 1 - to C 4 -alkyl, where R 4 optionally for substituted alkyl and R 5 represents hydrogen or C 1 - to C 4 -alkyl and the rest can also mean an optionally substituted piperazine residue, by diazotization of an amine of the formula II and subsequent coupling of the diazonium salt to a compound of formula III and optionally the addition of solubilizing additives by acidifying the pH for the diazotization with pure methanesulfonic acid or at least 20 mol% mixtures of methanesulfonic acid in monobasic acids.
priorityDate 2002-04-11-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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