Clinafloxacin hydrochloride Chemical Properties

Melting point:

162-168°C

storage temp. 

Refrigerator

solubility 

DMSO (Slightly), Methanol (Slightly), Water (Slightly, Heated)

form 

Solid

color 

Pale Yellow to Light Yellow

Stability:

Hygroscopic

Clinafloxacin hydrochloride Usage And Synthesis

Chemical Properties

Pale Yellow Solid

Uses

antibacterial

Uses

A new fluoroquinolone antimicrobial agent as a potent intraphagocytic bactericidal agent for both gram-positive and gram-negative bacteria.

Biological Activity

clinafloxacin is a broad-spectrum antibiotic of the quinolone carboxylic acid category that inhibits both dna gyrase and topoisomerase iv dually in streptococcus pneumonia. clinafloxacin, a fluoroquinolone, is currently in development for oral and intravenous therapy of serious infections.in selected volunteer subjects and patients, after the administration of oral and intravenous doses of racemic drug, the clinafloxacin showed a broad-spectrum antibiotic of the quinolone carboxylic acid category. the absorption of the clinafloxacin enantiomer was rapid after oral 400 mg dose and 400 mg intravenous dose of racemic drug [1]. clinafloxacin showed high activity against s. pneumoniae 7785 with the mic value of 0.125 μg/ml. clinafloxacin showed potent broad-spectrum in vitro activity against gram-positive, gram-negative, and anaerobic pathogens [2]. clinafloxacin has been identified as the most active fluoroquinolone against s. pneumoniae compared to grepafloxacin, levofloxacin, ofloxacin, sparfloxacin, and trovafloxacin and is currently being evaluated as an antipneumococcal agent [3].

References

[1]. humphrey g h, shapiro m a, randinitis e j, et al. pharmacokinetics of clinafloxacin enantiomers in humans[j]. the journal of clinical pharmacology, 1999, 39(11): 1143-1150.
[2]. pan x s, fisher l m. dna gyrase and topoisomerase iv are dual targets of clinafloxacin action in streptococcus pneumoniae[j]. antimicrobial agents and chemotherapy, 1998, 42(11): 2810-2816.
[3]. jorgensen j h, weigel l m, swenson j m, et al. activities of clinafloxacin, gatifloxacin, gemifloxacin, and trovafloxacin against recent clinical isolates of levofloxacin-resistant streptococcus pneumoniae[j]. antimicrobial agents and chemotherapy, 2000, 44(11): 2962-2968.

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