Fremgangsmåde til fremstilling af imidazo-benzodiazepin-derivater

Prepn. of 4H-imidazo(1,5-a)(1,4) -benzodiazepine derivs. of formula (I) and their salts comprises decarboxylation of a cpd. of type (II) at high temp. and high pressure in the presence of an organic solvent: R = Ph (opt. mono- or di-substd.); R = H, halo, NO2, CN, CF3 or lower alkyl; R , R = H or lo...

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