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

  • 8-[(Prop-2-en-1-yloxy)carbonyl]-5-oxa-8-azaspiro[3.5]nonane-7-carboxylic acid
  • 7-[(Prop-2-en-1-yloxy)carbonyl]-3-oxa-7-azabicyclo[3.3.1]nonane-9-carboxylic acid
  • 1-({[(Prop-2-en-1-yloxy)carbonyl]amino}methyl)-2-oxabicyclo[3.1.1]heptane-5-carboxylic acid
  • rac-(4aR,7aS)-1-[(prop-2-en-1-yloxy)carbonyl]-octahydrofuro[3,4-b]pyridine-4a-carboxylic acid
  • 2-[(Prop-2-en-1-yloxy)carbonyl]-octahydropyrano[3,4-c]pyrrole-7a-carboxylic acid
  • rac-(4aR,7aR)-1-[(prop-2-en-1-yloxy)carbonyl]-octahydrofuro[3,4-b]pyridine-4-carboxylic acid
  • rac-(1R,4R,5R)-1-({[(prop-2-en-1-yloxy)carbonyl]amino}methyl)-2-oxabicyclo[2.2.1]heptane-5-carboxylic acid
  • rac-(4aR,7aR)-6-[(prop-2-en-1-yloxy)carbonyl]-octahydropyrano[2,3-c]pyrrole-7a-carboxylic acid
  • 3-Methyl-1-({[(prop-2-en-1-yloxy)carbonyl]amino}methyl)-2-oxabicyclo[2.1.1]hexane-4-carboxylic acid
  • 4-Oxo-4-{1-[(prop-2-en-1-yloxy)carbonyl]pyrrolidin-2-yl}butanoic acid
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