NEWS DIAMINE SALTS OF CEPHALOSPORIN ANTIBIOTICS AND THEIR PREPARATION

The present invention relates to an improved process for the preparation of cephalosporin antibiotics of formula (I). The present invention also provides new salts of compound of formula (II) and a process for the preparation of these new salts, where n = 0.5 to 2. The present invention also provide...

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Main Authors LAKSHMIPATHI, VENU, SANJEEVI, NAGENDER RAO, DINDIGALA, CHANDRASEKARAN, RAMASUBBU, OM REDDY, GADDAM, ANDREW, GNANAPRAKASAM, SENTHILKUMAR, UDAYAMPALAYAM, PALANISAMY
Format Patent
LanguageEnglish
French
Published 21.09.2006
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention relates to an improved process for the preparation of cephalosporin antibiotics of formula (I). The present invention also provides new salts of compound of formula (II) and a process for the preparation of these new salts, where n = 0.5 to 2. The present invention also provides a process for the preparation of compound of formula (I) using the new salts of formula (II). L'invention porte sur un procédé amélioré de préparation d'antibiotiques de céphalosporine, de formule (I), sur de nouveaux sels de composés de formule (II) dans laquelle: n = 0,5 à 2, et sur leur procédé de préparation. L'invention porte également sur le procédé de préparation des composés de formule (I) à l'aide des nouveaux sels de formule (II).
Bibliography:Application Number: WO2005IB01888