Penicillanic acid and cephalosporanic acid derivs. - are antibiotics esp. effective against Gram negative microorganisms e.g. Pseudomonas and Proteus

Beta-Lactam cpds. of formula (I) and their acceptable salts and esters are new. In (I) X is of formula (H) or (J) R1 is H, opt. substd. alkyl, aryl or heterocyclic gp; R2 and R4 are H or lower alkyl; R3 and R5 are H, halogen, lower alkyl or alkoxy; A is CH or N; B is a single bond or methyleneoxy; C...

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Hauptverfasser:	SCHORR,MANFRED,.DR, WORM,MANFRED,.DR, SCHMITT,WILFRIED, SCHRINNER,ELMAR,DR
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
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