1,2,4-THIADIAZOLE DERIVATIVES

Starting compounds for preparing cephem compounds of formula wherein R is amino or a protected amino and X is carbonyl or a group of the formula: in which R is hydrogen, acyl, aryl which may be substituted with suitable substituent(s), lower alkyl substituted with suitable substituent(s), lower alke...

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Bibliographic Details
Main Authors JIRO GOTO, KAZUO SAKANE, TSUTOMU TERAJI
Format Patent
LanguageEnglish
Published 10.05.1984
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Starting compounds for preparing cephem compounds of formula wherein R is amino or a protected amino and X is carbonyl or a group of the formula: in which R is hydrogen, acyl, aryl which may be substituted with suitable substituent(s), lower alkyl substituted with suitable substituent(s), lower alkenyl, lower alkynyl, cycloalkyl which may be substituted with suitable substituent(s), cyclo(lower) alkenyl, or S or O containing 5-membered heterocyclic group substituted with oxo group(s), and ester and salts thereof, can be prepared by different processes and the cephem compounds, which possess valuable pharmacological properties, can be prepared from such starting compounds.
Bibliography:Application Number: AU19840023283