C13H9F2NO4
281.21 g/mol
Pharmaceutical IntermediateWarning
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
CAS82419-35-0EC700-160-8
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a fluorinated heterocyclic carboxylic acid used as an intermediate in the production of fluoroquinolone antibiotics. It features a tricyclic structure containing both ether and ketone functional groups.
Intermediary for fluoroquinolone antibiotic synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 82419-35-0
Related Compounds
SimilarStructure SimilarSimilarity 0.74
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
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SimilarStructure SimilarSimilarity 0.72
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Referencestereoisomer of
Levofloxacin q-acid
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pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name
6,7-difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid
InChIKey
NVKWWNNJFKZNJO-UHFFFAOYSA-N
SMILES
CC1COC2=C3N1C=C(C(=O)C3=CC(=C2F)F)C(=O)O
Synonyms (23)
- (RS)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid; Ofloxacin Imp. A (EP); FPA; Ofloxacin Impurity A
- Ofloxacin EP Impurity A; Levofloxacin Impurity 1
- Ofloxacin Impurity A
- Ofloxacin Q acid
- Oxygen-fluorine acid