Process of producing semi-synthetic penicillin

A process for the production of semi-synthetic penicillin is disclosed. This process comprises reacting natural penicillin with a phosphorous halide to provide an iminohalide compound. The resulting iminohalide compound is reacted with a lower alkanol to obtain an iminoether compound and reacting sa...

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Main Authors TAKASHIMA; MUTSUO, TAKAGI; ETUO, MURAKAMI; MASUO, SAKOH; ICHIRO, MATSUDA; HIDEYA, KODA; AKIO, SUZUKI; TSUTOMU
Format Patent
LanguageEnglish
Published 30.12.1975
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:A process for the production of semi-synthetic penicillin is disclosed. This process comprises reacting natural penicillin with a phosphorous halide to provide an iminohalide compound. The resulting iminohalide compound is reacted with a lower alkanol to obtain an iminoether compound and reacting said iminoether compound with a carboxylic acid followed by treating the condensation product with water or alcohol. These compounds are useful as antibacterials.
Bibliography:Application Number: US19720305007