4-SUBSTITUTED AZETIDINONES AS PRECURSORS TO 2-SUBSTITUTED-3-CARBOXY CARBAPENEM ANTIBIOTICS AND A METHOD OF PRODUCING THEM

New 4-substituted azetidinones having the formulae I and II: with R , R , R , R , R and X defined hereafter, which are intermediates for the preparation of carbapenem and carbacephem antibacterials and processes for producing such antibacterials through the utilization of an acid mediated ring closu...

Full description

Saved in:
Bibliographic Details
Main Authors CURRAN; WILLIAM V, FEIGELSON; GREGG B, ZIEGLER; CARL B
Format Patent
LanguageEnglish
Published 23.02.1993
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
Online AccessGet full text

Cover

More Information
Summary:New 4-substituted azetidinones having the formulae I and II: with R , R , R , R , R and X defined hereafter, which are intermediates for the preparation of carbapenem and carbacephem antibacterials and processes for producing such antibacterials through the utilization of an acid mediated ring closure reaction.
Bibliography:Application Number: US19910672496