VERFAHREN ZUR HERSTELLUNG VON 9-AMINO-6,7-DIHYDRO-4H-PYRIDO (1,2-A) PYRIMIDIN-4-ON-DERIVATEN, DEREN PHYSIOLOGISCH VERTRAEGLICHEN SALZEN, HYDRATEN UND ISOMEREN

A process is disclosed for the preparation of compounds of the formula (I) wherein R1 and R2 are each hydrogen or lower alkyl; R3 is carboxy, lower alkoxycarbonyl, carbamoyl, carbamoyl substituted by one or two lower alkyl groups, or cyano; R4 is hydrogen, lower alkyl, phenyl, naphthyl, phenyl or na...

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Hauptverfasser:	HERMECZ ISTVAN.. DR, BREINING TIBOR, VASVARI LELLE DR, HORVATH AGNES.. DR, KOEKOESI JOZSEF DR
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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