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123447-62-1

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123447-62-1 Basic informationMore
USE
Prulifloxacin was launched as the third fluoroquinone. It was introduced in Japan as an oral treatment for urinary tract infections (UTls), respiratory tract infections (RTls) and bacterial pneumoniae. It can be synthesized in 10 steps from commercially available 3,4-difluoroaniline. Key steps involve the cyclization of 6,7-difluoro-rl-hydroxy-2- thioquinoline-3carboxylic acid ethyl ester with 1 ,I-dibromomethane to give the corresponding thiazeto-[3,2a]quinoline. Aromatic nucleophilic substitution of the 7-fluoro atom with piperazine followed by hydrolysis of the ethyl ester and finally alkylation of the piperazinyl moiety with 4-(bromomethyl)-5-methyl-l ,bdioxol-Bone complete the synthesis. Prulifloxacin is a lipophilic prodrug, which is rapidly hydrolyzed to the corresponding Ndealkylated piperazine, NM 394, by paraoxonase type enzymes in blood and liver following intestinal absorption. The DNA gyrase inhibitor NM 394 accounts for all antimicrobial activity: it shows a similar or greater activity against gram-positive bacteria compared to ciprofloxacin, and a greater activity in the case of gram-negative bacteria. In clinical studies, prulifloxacin has shown good efficacy against UTls and RTls. The drug is mainly excreted in the urine and in the feces as unchanged NM 394, which has a plasma half-life of approximately 8 h. Phototoxicity in animal models is less severe than with other quinolones. Prulifloxacin is well tolerated with an adverse effect profile similar to that of other fluoroquinolones.
Lastest Price from Prulifloxacin manufacturers
  • Prulifloxacin
  • US $0.00 /Kg/Bag
  • CAS:123447-62-1
  • Min. Order: 500g
  • Purity: 98%min
  • Supply Ability: 100kgs
  • 2021-09-29
  • Prulifloxacin
  • US $2950.00 /KG
  • CAS:123447-62-1
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 9000kg/per week
  • 2021-08-18

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  • Company Name:Nanjing Chemlin Chemical Co., Ltd
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