Antibacterial derivs. of (3)-formyl-rifamycin SV - prepd. by reaction with hydrazines, acylhydrazines or hydroxylamines

Crystalline rifamycin SV derivs. of formula (I) are new: (R is NR1R2, NHCOR3 or OR4; R1 is H; R2 is arylpyridazinyl (opt. substd. in aryl by alkyl or halo), benzothiazolyl, phenylsulphonate, phenyl substd. by alkoxy or opt. substd. aryloxy, (substd.) arylthio, or arylsulphonyl, or piperidine in whic...

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Hauptverfasser:	SAUCIUC,ALEXANDRU, DIACONESCU,CONSTANTIN, BULGARU,LILIANA, ALBU,MARGARETA, DIACONU,EUGEN, PAUNESCU,EUGENIU, NITELEA,ION
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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