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4AA(4-acetoxyazetidin-2-one)
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Crude meropenem
MEROPENEM INTERMEDIATE 4BMA
Meropenem Intermediate F9
meropenem sterile
meropenem withsodium carbonate
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MEROPENEM INTERMEDIATE 4BMA
 
Name   Side chain for imipenem
Synonyms   (3S,4S)-3-((R)-(tert-Butyldimethyl-silyloxy)ethyl)-4((R)-carboxyethyl)-2-azetidinone; (3S,4S)-4-[(R)-1-carboxyethyl]-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone; beta-Methylazetidin-2-one
 
Molecular Structure    
 
Molecular Formula   C14H27NO4Si
Molecular Weight   301.45
CAS Registry Number   90776-58-2
     
Properties
 
Melting point   146-147 oC

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