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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Names

[ CAS No. ]:
106939-34-8

[ Name ]:
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate

[Synonym ]:
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
(S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester
Levofiexacin acid ester
T666 1A M BN EO KVT&&J C1 Gf HF LVO2 &&S Form
7H-1,4-Oxazino[2,3,4-ij]quinoline-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3S)-
(-)-ethyl 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido<1,2,3-de><1,4>benzoxazine-6-carboxylate
ethyl (S)-(-)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
Ethyl (3S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Levofloxacin cyclized ester
(S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3S)-
(S)-ethyl-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido-[1,2,3-de]-1,4-benzoxazine-6-carboxylate
Levofloxacin Ethyl Ester

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
442.2±45.0 °C at 760 mmHg

[ Melting Point ]:
258-260ºC

[ Molecular Formula ]:
C15H13F2NO4

[ Molecular Weight ]:
309.265

[ Flash Point ]:
221.2±28.7 °C

[ Exact Mass ]:
309.081268

[ PSA ]:
57.53000

[ LogP ]:
1.28

[ Vapour Pressure ]:
0.0±1.1 mmHg at 25°C

[ Index of Refraction ]:
1.582

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (3S)-(+)-7,8-Difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine
  • Diethyl ethoxymethylenemalonate
  • ethyl (S,Z)-3-((1-hydroxypropan-2-yl)amino)-2-(2,3,4,5-tetrafluorobenzoyl)acrylate
  • (-)-ethyl 9,10-difluoro-2,3-dihydro-3-iodomethyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
  • (S)-ethyl 3-(((3,5-dinitrobenzoyl)oxy)methyl)-9,10-difluoro-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

DownStream

  • Levofloxacin carboxylic acid

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 2-Azaspiro[3.3]heptan-6-ylmethanol
  • N4-cycloheptyl-N6-methylpyrimidine-4,6-diamine
  • N4-methyl-N6-(thiophen-2-ylmethyl)pyrimidine-4,6-diamine
  • 3,6-Dichloropyridazine-4-sulfonamide
  • 1-(1-Benzylazetidin-3-YL)cyclopropan-1-amine
  • 1-(Tert-butyl)-4-methyl-1H-imidazole-5-carboxylic acid
  • 2-{4-[(Morpholin-4-yl)methyl]phenyl}propan-2-ol
  • [3-(2-Chloro-1H-imidazol-1-yl)propyl](methyl)amine
  • 1,4-Dichloro-2-ethoxy-5-iodobenzene
  • 4-amino-6-(3-cyclohexylpropyl)-N-[(2,4-difluorophenyl)methyl]-1-hydroxy-2-oxo-1,8-naphthyridine-3-carboxamide
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