Salts in the preparation of cephalosporin antibiotics
Compounds of general formula (II), wherein R1 represents R4 represents hydrogen or -CHO group, R5 represents hydrogen or trityl, R2 represents hydrogen or methoxy group, R3 represents -CH CH2 or and M represents a dialkyl or dicycloalkyl ethylenediamine group selected from N,N′-diisobutylethylenedia...
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Main Authors | , , , , , |
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Format | Patent |
Language | English |
Published |
22.06.2010
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Subjects | |
Online Access | Get full text |
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Summary: | Compounds of general formula (II), wherein R1 represents R4 represents hydrogen or -CHO group, R5 represents hydrogen or trityl, R2 represents hydrogen or methoxy group, R3 represents -CH CH2 or and M represents a dialkyl or dicycloalkyl ethylenediamine group selected from N,N′-diisobutylethylenediamine, N,N′-dicyclohexylethylenediamine, and N,N′-dicyclopentylethylenediamine, are useful in a process to make cephalosporin antibiotics of formula (I) wherein R represents hydrogen or pharmaceutically acceptable esters or alkali metals salts. |
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Bibliography: | Application Number: US20050631595 |