PROCESS FOR THE PREPARATION OF PENICILLIN DERIVATIVES

A process for the preparation of .alpha.-carboxy, 6, .alpha.methoxy penicillin derivatives by the enzymatic hydrolysis of an esterified derivative. The process is for the preparation of a compound of formula (I): (I) wherein R represents phenyl or 2- or 3-thienyl, which process comprises subjecting...

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Hauptverfasser:	COLE, MARTIN, EDMONDSON, ROBERT A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE HETEROCYCLIC COMPOUNDS METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	A process for the preparation of .alpha.-carboxy, 6, .alpha.methoxy penicillin derivatives by the enzymatic hydrolysis of an esterified derivative. The process is for the preparation of a compound of formula (I): (I) wherein R represents phenyl or 2- or 3-thienyl, which process comprises subjecting a compound of formula (IV): (IV) where R1 is an aryl radical, to the action of an enzyme selected from bromelain, papain, gelatase, trypsin, pancreatin or an esterase-producing strain of Escherichia coli, Pseudomonas aeruginosa, Aspergillus niger or Saccharomyces sp.