CEPHALOSPORIN DERIVATIVES; INTERMEDIATES AND PHARMACEUTICAL COMPOSITIONS

(57) A cephalosporin derivative of the formula I:in which X is S, O, CH2 or SO,represents one of C-7 acyl groups known in the cephalos porin art, R3 is hydrogen or methoxy, R4 is hydrogen, optionally substituted alkyl or allyl, and R5 is an aromatic heterocyclic ring system which is linked via carbo...

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Hauptverfasser:	BRADBURY, R.H, JUNG, F.H, MARSHAM, P.R, PASQUET, G, LOHMANN, J.J
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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creator	BRADBURY, R.H JUNG, F.H MARSHAM, P.R PASQUET, G LOHMANN, J.J
description	(57) A cephalosporin derivative of the formula I:in which X is S, O, CH2 or SO,represents one of C-7 acyl groups known in the cephalos porin art, R3 is hydrogen or methoxy, R4 is hydrogen, optionally substituted alkyl or allyl, and R5 is an aromatic heterocyclic ring system which is linked via carbon, and which contains a quaternised nitrogen atom.
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subjects	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
title	CEPHALOSPORIN DERIVATIVES; INTERMEDIATES AND PHARMACEUTICAL COMPOSITIONS
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