http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0628547-A1

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assignee http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58
classificationCPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-89
classificationIPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02
filingDate 1994-06-01-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e5d978698619595f3d42dcfd6514a909
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1633cbb793ee8bfc847738f6212d5abe
publicationDate 1994-12-14-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-0628547-A1
titleOfInvention Process for the preparation of N-aminopyridones
abstract R¹ Wasserstoff, C₁-C₆-Alkyl, C₃-C₇-Cycloalkyl, C₃-C₄-Alkenyl oder gegebenenfalls substituiertes Phenyl, R² Cyano, Carbamoyl, Carboxyl, C₁-C₆-Alkoxycarbonyl, gegebenenfalls substituiertes C₁-C₆-Alkanoyl, gegebenenfalls substituiertes Benzoyl, Halogen oder Nitro, R³ Wasserstoff und R⁴ gegebenenfalls substituiertes C₁-C₁₂-Alkanoyl, C₁-C₁₂-Alkoxycarbonyl, substituiertes Carbamoyl, gegebenenfalls substituiertes C₁-C₁₂-Alkylsulfonyl, C₅-C₇-Cycloalkylsulfonyl, gegebenenfalls substituiertes Aryl- oder Hetarylsulfonyl, gegebenenfalls substituiertes Aryl- oder Hetarylcarbonyl oder R³ und R⁴ zusammen mit dem sie verbindenden Stickstoffatom einen heterocyclischen Rest bedeuten, wobei man die Carbonylverbindungen der Formel II und IIIn n n n        R²―CH₂―CO―X²   (III), n n n nworin Y Sauerstoff oder Imino und einer der Reste X¹ und X² einen Rest der Formel NH―NR³R⁴ und der andere C₁-C₆-Alkoxy bedeuten und R¹, R², R³ und R⁴ jeweils die obengenannte Bedeutung besitzen, in einem Verdünnungsmittel gegebenenfalls in Gegenwart einer Base umsetzt.Process for the preparation of pyridones of formula I. in the R¹ Hydrogen, C₁-C₆-alkyl, C₃-C₇-cycloalkyl, C₃-C₄-alkenyl or optionally substituted phenyl, R² Cyano, carbamoyl, carboxyl, C₁-C₆-alkoxycarbonyl, optionally substituted C₁-C₆-alkanoyl, optionally substituted benzoyl, halogen or nitro, R³ Hydrogen and R⁴ optionally substituted C₁-C₁₂ alkanoyl, C₁-C₁₂ alkoxycarbonyl, substituted carbamoyl, optionally substituted C₁-C₁₂ alkylsulfonyl, C₅-C₇-cycloalkylsulfonyl, optionally substituted aryl- or hetarylsulfonyl, optionally substituted aryl- or hetarylcarbonyl together with R³ and R³ and the nitrogen atom connecting them represents a heterocyclic radical, wherein the carbonyl compounds of formula II and III R² ― CH₂ ― CO ― X² (III), wherein Y is oxygen or imino and one of the radicals X¹ and X² is a radical of the formula NH ― NR³R⁴ and the other C₁-C₆ alkoxy and R¹, R², R³ and R⁴ each have the abovementioned meaning, in a diluent, if appropriate in the presence of a base.
priorityDate 1993-06-14-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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