154357-42-3

154357-42-3 structure
154357-42-3 structure
  • Name: (S)-(-)-Nadifloxacin
  • Chemical Name: S-(-)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid
  • CAS Number: 154357-42-3
  • Molecular Formula: C19H21FN2O4
  • Molecular Weight: 360.37900
  • Catalog: API Synthetic anti-infective drugs Quinolone
  • Create Date: 2017-10-26 13:35:55
  • Modify Date: 2024-01-11 11:17:57
  • Levonadifloxacin ((S)-(-)-Nadifloxacin; WCK 771) is a broad-spectrum anti-staphylococcal agent. Levonadifloxacin shows antibacterial activity against Methicillin (HY-121544)-susceptible Staphylococcus aureus (MSSA) and Methicillin-resistant S. aureus (MRSA) strains, with a reduction of which phagocytized in THP-1 monocytes[1].

Name S-(-)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid
Synonyms UNII-8WHH66L098
Levonadifloxacin
Description Levonadifloxacin ((S)-(-)-Nadifloxacin; WCK 771) is a broad-spectrum anti-staphylococcal agent. Levonadifloxacin shows antibacterial activity against Methicillin (HY-121544)-susceptible Staphylococcus aureus (MSSA) and Methicillin-resistant S. aureus (MRSA) strains, with a reduction of which phagocytized in THP-1 monocytes[1].
Related Catalog
In Vitro Levonadifloxacin (32 μg/mL; 24 h) achieves a 90-99% intracellular reduction of MSSA and MRSA strains phagocytized in THP-1 monocytes with MICs of 0.03 μg/mL and 15.0 ng/mL[1].
In Vivo Levonadifloxacin (12.5-400 mg/kg; s.c.; single dose) shows efficacy in vivo against Staphylococcus aureus in a Neutropenic Murine Lung Infection Model[2]. Animal Model: Male/Female Swiss Albino mice (25-28 g) for plasma pharmacokinetic analyses[2] Dosage: 12.5, 25, 50, 100, 200, 300 and 400 mg/kg Administration: Subcutaneous injection; single dose; collected samples at 10 time points/dose (0.25, 0.5, 1, 2, 4, 6, 8, 10, 58 12 and 24 h post dose) Result: Dose (mg/kg) Cmax (mg/L) AUC0-24 h (mg·h/L) T1/2 (h) 12.5 4.37 7.30 1.79 25 8.71 15.75 1.48 50 19.21 33.36 1.48 100 38.65 70.86 1.76 200 77.29 145.48 1.69 300 92.46 286.19 2.44 400 115.16 393.52 1.74
Density 1.46
Molecular Formula C19H21FN2O4
Molecular Weight 360.37900
Exact Mass 360.14900
PSA 82.77000
LogP 2.37210
Precursor  2

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