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ChemicalBook--->CAS DataBase List--->82419-35-0

82419-35-0

82419-35-0 Structure

82419-35-0 Structure
IdentificationMore
[Name]

Oxygen-fluorine acid
[CAS]

82419-35-0
[Synonyms]

9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO[1,2,3-DE]-1,4-BENZ-OXAZINE-6-CARBOXYLIC ACID
9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7h-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxyllic acid
9,10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-[1,4]OXAZINO[2,3,4-IJ]QUINOLINE-6-CARBOXYLIC ACID
AKOS BBS-00001807
AURORA 21894
OTAVA-BB BB0111050010
OXYGEN-FLUORINE ACID
9,10-difluoro-2,3-dihydro-3-me-7-oxo-7h-pyrido-1,
9,10-Difluoro-3-Methyl-7-Oxo-2,3-Dihydro 7-H-Pyrido-1,2,3-DE]-1,4-Benzoxyazine-6-Carboxylic Acid
9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7h-Pyroido(1,2,3-De)(1,4)Benzoxazine-6-Carboxylic Acid
Oxygen fluorine acid(FPA)
DIFLUOROCARBOYLIC ACID
9,10-DIFLUORO-2,3-DIHYDRO-3-ME-7-OXO-7H-PYRIDO(1,2,3-DE)1,4-BENZOXAZINE-6-COOH
Oxygen-fluorine
9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylicacid
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3de]-1,4-benzoxazine
OFLOXACIN Q ACID
7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLICACID,9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO
Olfoxacin Acid
Oxygen-fluorine acid ,98%
[EINECS(EC#)]

700-160-8
[Molecular Formula]

C13H9F2NO4
[MDL Number]

MFCD00226106
[Molecular Weight]

281.21
[MOL File]

82419-35-0.mol
Chemical PropertiesBack Directory
[Appearance]

Grey-Yellow Powder
[Melting point ]

320-322 °C (lit.)
[Boiling point ]

459.2±45.0 °C(Predicted)
[density ]

1.61±0.1 g/cm3(Predicted)
[storage temp. ]

2-8°C
[form ]

neat
[pka]

4.87±0.40(Predicted)
[Usage]

Ofloxacin intermediate
[Detection Methods]

HPLC,NMR
[BRN ]

4202751
[CAS DataBase Reference]

82419-35-0(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
[HS Code ]

29349990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Hydrochloric acid-->Tetrahydrofuran-->Potassium hydroxide-->Acetic anhydride-->Sodium hydride-->Dimethyl sulfoxide-->Triethyl orthoformate-->Ethyl 2,3,4,5-tetrafluorobenzoyl acetate-->DL-Alaninol
[Preparation Products]

Ofloxacin
Hazard InformationBack Directory
[Chemical Properties]

Grey-Yellow Powder
[Uses]

Ofloxacin intermediate
[General Description]

(S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid may be used in the preparation of the following:
  • kynurenine aminotransferase II (KAT II) inhibitor, [(S)-(-)-9-(4-aminopiperazine-1-yl)-8-fluoro-3-methyl-6-oxo-2,3,5,6-tetrahydro-4H-1-oxa-3a-aza-phenalene-5-carboxylic acid]
  • fused-ring derivatives
  • N-desmethyllevofloxacin
Spectrum DetailBack Directory
[Spectrum Detail]

Oxygen-fluorine acid(82419-35-0)IR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 98%(82419-35-0)
[Sigma Aldrich]

82419-35-0(sigmaaldrich)
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