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

CAS No.：106939-34-8

Other grades of this product :

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

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

Safety Information

MSDS Information

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
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-carboxylate Preparation Products And Raw materials

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