80542-48-9Relevant academic research and scientific papers
2-oxoazetidin-1-yloxy acetic acids and analogs
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, (2008/06/13)
Antibiotic activity is exhibited by β-lactams having an STR1 substituent (and analogs thereof) in the 1-position and an acylamino substituent in the 3-position.
Crystalline anhydrous aztreonam
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, (2008/06/13)
The crystalline anhydrous form of [3S-[3α(Z), 4β]]-3-[[(2-amino-4-thiazolyl) [(1-carboxy-1-methylethoxy)imino]acetyl]amino]-4-methyl-2-oxo-1-azetidinesulfonic acid is prepared.
2-OXO-1-AZETIDINESULFONIC ACID SALTS
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, (2008/06/13)
Antibacterial activity is exhibited by beta-lactams having a sulfonic acid salt substituent in the 1-position and an amino or acylamino substituent in the 3-position.
3-acylamino-2-oxo-1-azetidinyl esters of phosphonic acids, phosphoric acid and phosphoric acid esters
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, (2008/06/13)
Antimicrobial activity is exhibited by β-lactams having a STR1 substituent in the 1-position and an acylamino substituent in the 3-position, or a pharmaceutically acceptable salt thereof; wherein Y is oxygen or sulfur and R5 is hydroxyl, alkyl, substituted alkyl, phenyl, substituted phenyl, alkoxy, alkylthio, (substituted alkyl)oxy, (substituted alkyl)thio, phenyloxy, phenylthio, (substituted phenyl)oxy or (substituted phenyl)thio.
2-oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines
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, (2008/06/13)
Antibacterial activity is exhibited by β-lactams having a STR1 substituent in the 1-position and an acylamino substituent in the 3-position wherein Z is oxygen or sulfur, and R is alkyl, alkenyl, alkynyl, substituted alkyl, phenyl, substituted phenyl, a 5
REARRANGEMENT OF N-HYDROXY-2-AZETIDINONES TO 5-ISOXAZOLIDINONES
Hirose, Tohru,Chiba, Katsumi,Mishio, Shinsaku,Nakano, Junji,Uno, Hitoshi
, p. 1019 - 1022 (2007/10/02)
N-Hydroxy-2-azetidinones (IV) underwent a new rearrangement to 5-isoxazolidinones (V).By use of this rearrangement, one (Ve) of isomers of cycloserine was synthesized.
