CAS NO:90776-58-2

EC NO:

Molecular Formula:C₁₄H₂₇NO₄Si

Molecular Weight:301.454

Synonyms:;1-BMA;(3S,4S)-4-[(R)-1-carboxy-ethyl]-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone;β-methylazetidin-2-one;[2R-[2α(R*),3β(R*)] ]-3-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-α-methl-4-oxo-2-azetidineacetic acid;(R)-2-((2S,3S)-3-((R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL)-4-OXOAZETIDIN-2-YL)PROPANOIC ACID;side chain for imipenem;4-BMA;(3S,4S)-4-[(R)-1-carboxyethyl]-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone;(3S 4S)-3-[(R)-1-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE;(3S,4S)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE;(3S,4S)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-1-CARBOXYETHYL]-2-AZETIDINONE;(3S,4S)-3-[(R)-(BUTYLDIMETHYLSILYLOXY)ETHYL]-4-[(R)-CARBOXYETHYL]-2-AZETIDINONE;4-BMA(for Meropenem);4BMA;(2R)-2-{(2S,3S)-3-[(1R)-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl]-4-oxoazetidin-2-yl}propanoic acid;

Molecular Structure:

CAS NO:153832-38-3

EC NO:

Molecular Formula:C₂₂H₂₃N₃Na₂O₇S

Molecular Weight:519.4785

Synonyms:;disodium (4R,5R,6S)-3-[(3S,5S)-5-[(3-carboxylatophenyl)carbamoyl]pyrro lidin-3-yl]sulfanyl-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate;1-Azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 3-(((3S,5S)-5-(((3-ca rboxyphenyl)amino)carbonyl)-3-pyrrolidinyl)thio)-6-((1R)-1-hydroxyethy l)-4-methyl-7-oxo-, monosodium salt, (4R,5S,6S)-;disodium (4R,5S,6S)-3-({(3S,5S)-5-[(3-carboxylatophenyl)carbamoyl]pyrrolidin-3-yl}sulfanyl)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate;disodium (4R,5R,6S)-3-[(3S,5S)-5-[(3-carboxylatophenyl)carbamoyl]pyrrolidin-3-yl]sulfanyl-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate;

Molecular Structure: