Process for the manufacture of 4H-imidazo[1,5-A][1,4]benzodiazepines

A process for the manufacture of 4H-imidazo[1,5-a][1,4]benzodiazepine derivatives of formula I I wherein R1 is phenyl or mono- or disubstituted phenyl; R2 is hydrogen, halogen, nitro, cyano, trifluoromethyl or lower alkyl; R3 is hydrogen or lower alkyl; and R4 is hydrogen or lower alkyl and of pharm...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FROOM, MANFRED, SCHMITT, SIEGFRIED, BREUNINGER, BENDER, KARL-HEINZ, STEINER, KURT
Format:	Patent
Sprache:	eng
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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