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:76855-69-1

EC NO:

Molecular Formula:C₁₃H₂₅NO₄Si

Molecular Weight:287.4274

Synonyms:;4-AA;4-AOSA; Acetoxyazetidinone;4AA;4-acetoxyazetidin-2-one;Acetoxysilyloxyazetidinone;(2R,3R)-3-[(1R)-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl]-4-oxoazetidin-2-yl acetate;(3R,4R)-4-acetoxy-3-(R) (T-butyldimethylsilylyloxy)ethyl)2-azetidinane;AOSA;(3R,4R)-4- Acetoxy-3-[(R)-1-tert-(Butyldimethylsilyloxy)ethyl]-2-Azetidinone;(3S,4R)-4-Acetxoy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one(AOSA);(3s,4r)-4-acetoxy-3-((r)-1-(tert-butyldimethylsilyloxy)ethyl)azetidin-2-one;(3R,4R)-4-acetoxy-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone;(3S,4R)-4-Acetoxy-3-[(R)-1-(tert- butyldimethylsilyloxy)ethyl]azetidin-2-one;

Molecular Structure: