Verfahren zur Herstellung von Cephalosporin Zwischenverbindungen

The present invention provides a process for the preparation of, stable, crystalline cephalosporin intermediates of the formula wherein X is HI, HCl or H2SO4 which are substantially free of the DELTA isomer, and which are convertible into broad-spectrum cephalosporin antibiotics.

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Bibliographic Details
Main Authors LIM, GARY M.F, ROUBIE, JOHN M
Format Patent
LanguageGerman
Published 18.05.2000
Edition7
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention provides a process for the preparation of, stable, crystalline cephalosporin intermediates of the formula wherein X is HI, HCl or H2SO4 which are substantially free of the DELTA isomer, and which are convertible into broad-spectrum cephalosporin antibiotics.
Bibliography:Application Number: DE19936026400T