SE7500065

6 beta -Acylamino-1-(oxadethia)penicillanic acid compounds are prepared from 6 alpha -acylamino-6 beta -methylthio-1-(oxadethia)penicillanic acid compounds. The process proceeds through the formation of a 6-acylimino intermediate, which is treated using an active hydride to yield the desired 6 beta...

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Bibliographic Details
Main Author CAMA L D
Format Patent
LanguageEnglish
Published 18.07.1975
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:6 beta -Acylamino-1-(oxadethia)penicillanic acid compounds are prepared from 6 alpha -acylamino-6 beta -methylthio-1-(oxadethia)penicillanic acid compounds. The process proceeds through the formation of a 6-acylimino intermediate, which is treated using an active hydride to yield the desired 6 beta -acylamino compound. Novel intermediates are also disclosed. The compounds prepared are useful antibiotics having enhanced activity over penicillanic acid derivatives. The process can also be applied to penicillin derivatives.
Bibliography:Application Number: SE19750000065