Basic information Safety Supplier Related

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

Basic information Safety Supplier Related

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

Product Name:
Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
Synonyms:
  • Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido
  • Levofloxacin cyclization ester
  • 7h-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylic Acid
  • (S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carbox
  • ethyl (S)-9,10-difluoro-3-methyl-7- oxo-2,3-dihydro-7H- [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)-
  • Levofloxacin carboxylic acid, ethyl ester
  • LEVOFLOXACINCYCLIZEDESTER
CAS:
106939-34-8
MF:
C15H13F2NO4
MW:
309.26
EINECS:
691-244-2
Product Categories:
  • Various Intermediates
  • Intermediates
  • LEVOFLOXACIN INTERMIDATE
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
Mol File:
106939-34-8.mol
More
Less

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

Melting point:
258-260°C
Boiling point:
442.2±45.0 °C(Predicted)
Density 
1.43±0.1 g/cm3(Predicted)
storage temp. 
Sealed in dry,2-8°C
solubility 
Acetic Acid (Slightly), Chloroform (Slightly), Methanol (Slightly, Heated)
form 
Solid
pka
-3.62±0.60(Predicted)
color 
Off-White to Light Yellow
CAS DataBase Reference
106939-34-8
More
Less

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

Chemical Properties

Off-White Pale Yellow Solid

Uses

Levofloxacin intermediate.

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

S.Z. PhyStandard Bio-Tech. Co., Ltd. Gold
Tel
0755-4000505016 13380397412
Email
3001272453@qq.com
Shijiazhuang Ruitian Biochemical Co. Ltd Gold
Tel
0311-89102030 18031153398
Email
3212842192@qq.com
Shanghai Boyle Chemical Co., Ltd.
Tel
021-50182298 021-50180596
Email
sales@boylechem.com
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Email
jkinfo@jkchemical.com
BeiJing Hwrk Chemicals Limted
Tel
0757-86329057 18934348241
Email
sales4.gd@hwrkchemical.com
More
Less

Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate(106939-34-8)Related Product Information