PRODUCTION OF 5-AMINO-4, 6-DIHALOGENOPYRIDINES

PRODUCTION OF 5-AMINO-4, 6-DIHALOGENOPYRIDINES

+TR in which R1 represents hydrogen, -0-R7 or -NHR8, R2 represents hydrogen or halogen, R3 represents hydrogen or, together with R2, represents =0, R4 represents hydrogen or alkyl, R5 represents hydrogen, alkyl, halogenoalkyl or aryl, R7 represents alkyl, R8 represents alkyl, cyloalkyl, aralkyl, ary...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HANSU RINDERU, BERUNAA HARENBATSUHA
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:+TR in which R1 represents hydrogen, -0-R7 or -NHR8, R2 represents hydrogen or halogen, R3 represents hydrogen or, together with R2, represents =0, R4 represents hydrogen or alkyl, R5 represents hydrogen, alkyl, halogenoalkyl or aryl, R7 represents alkyl, R8 represents alkyl, cyloalkyl, aralkyl, aryl or heterocyclyl, which can optionally be substituted, R9 represents acyl or hydrogen and Hal represents halogen. Compounds III are new. Compounds I are known as yield-promoting agents in animal feeds.