1-ETHYL-7-CHLORO-6-FLUORO-1,4-DIHYDRO-4-OXOQUINOLINE-3-CARBOXYLIC ACID
Pharmaceutical Materials 2025-03-02
CAS Number: 68077-26-9
Molecular Formula: C12H9ClFNO3
Molecular Weight: 269.66
Appearance: Chemical compound
Usage: Intermediate for fluorinated quinolones like norfloxacin.
Hazard: Harmful to aquatic organisms.
| Aspect | Details |
|---|---|
| Name | 1-Ethyl-7-chloro-6-fluoro-1.4-dihydro-4-oxoquinoline-3-carboxylic acid |
| Synonyms | 7-Chloro-6-fluoro-1-ethyl-1.4-dihydro-4-oxoquinoline-3-carboxylic acid; Moxifloxacin Core Structure Precursor |
| CAS Number | Not explicitly listed in public databases (derivative of moxifloxacin-related chemistry) |
| Chemical Formula | C₁₂H₉ClFNO₃ |
| Molecular Weight | 269.66 g/mol |
| Physical Properties | – Appearance: Off-white to pale yellow crystalline solid |
| – Solubility: Slightly soluble in water; more soluble in organic solvents (e.g., DMF, DMSO) | |
| Synthetic Route | Derived from fluorinated quinoline intermediates via nucleophilic substitution and oxidation steps |
| Applications | – Pharmaceuticals: Core scaffold for fluoroquinolone antibiotics (e.g., moxifloxacin) |
| – Research: Precursor for developing novel broad-spectrum antibacterials | |
| Biological Relevance | Acts as a DNA gyrase/topoisomerase IV inhibitor, disrupting bacterial replication |
| Safety Precautions | – Handling: Use appropriate PPE; avoid inhalation or prolonged skin contact |
| – Storage: Store in a cool, dry place away from light and moisture |
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