82419-35-0

  • Product Name:Ofloxacin Q Acid
  • Molecular Formula:C13H9F2NO4
  • Purity:99%
  • Molecular Weight:281.216
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Product Details;

CasNo: 82419-35-0

Molecular Formula: C13H9F2NO4

Appearance: grey-yellow powder

Wholesale Factory Supply Ofloxacin Q Acid 82419-35-0 Cheap Price

  • Molecular Formula:C13H9F2NO4
  • Molecular Weight:281.216
  • Appearance/Colour:grey-yellow powder 
  • Vapor Pressure:3.14E-09mmHg at 25°C 
  • Melting Point:320-322 °C(lit.) 
  • Boiling Point:459.2 °C at 760 mmHg 
  • PKA:4.87±0.40(Predicted) 
  • Flash Point:231.5 °C 
  • PSA:68.53000 
  • Density:1.61 g/cm3 
  • LogP:1.93130 

Oxygen-fluorine acid(Cas 82419-35-0) Usage

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 derivativesN-desmethyllevofloxacin

InChI:InChI=1/C13H9F2NO4/c1-5-4-20-12-9(15)8(14)2-6-10(12)16(5)3-7(11(6)17)13(18)19/h2-3,5H,4H2,1H3,(H,18,19)/p-1/t5-/m1/s1

82419-35-0 Relevant articles

Ofloxacin preparation method (by machine translation)

-

Paragraph 0014; 0043; 0044, (2016/10/09)

The invention provides a preparation met...

Baylis-Hillman route to several quinolone antibiotic intermediates

Hong, Wan Pyo,Lee, Kee-Jung

, p. 963 - 968 (2007/10/03)

Treatment of methyl propiolate and 2,4,5...

Novel oxazolidinone-quinolone hybrid antimicrobials

Gordeev, Mikhail F.,Hackbarth, Corinne,Barbachyn, Michael R.,Banitt, Lee S.,Gage, James R.,Luehr, Gary W.,Gomez, Marcela,Trias, Joaquim,Morin, Sara E.,Zurenko, Gary E.,Parker, Christian N.,Evans, Jonathan M.,White, Richard J.,Patel, Dinesh V.

, p. 4213 - 4216 (2007/10/03)

Antimicrobial compounds incorporating ox...

Method for the preparation of pyrido benzoxazine derivatives

-

, (2008/06/13)

There is disclosed a method for the prep...

82419-35-0 Process route

ethyl 2-(2-nitro-3,4,5-trifluoro) benzoyl-3-(1-t-butyldimethylsilyloxyprop-2-ylamino) acrylate
178233-30-2

ethyl 2-(2-nitro-3,4,5-trifluoro) benzoyl-3-(1-t-butyldimethylsilyloxyprop-2-ylamino) acrylate

tetrabutyl ammonium fluoride
429-41-4

tetrabutyl ammonium fluoride

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
82419-35-0

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid

Conditions
Conditions Yield
With hydrogenchloride; potassium hydroxide; In tetrahydrofuran; ethanol; chloroform; water;
86%
ethyl 9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
82419-34-9

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

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
82419-35-0

9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid

Conditions
Conditions Yield
With hydrogenchloride; In acetic acid; for 3h; Heating;
94%
With hydrogenchloride; acetic acid;
 
With sulfuric acid; acetic acid; In water; for 4h; Time; Reflux;
 

82419-35-0 Upstream products

  • 82419-34-9
    82419-34-9

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

  • 107359-16-0
    107359-16-0

    ethyl 6,7,8-trifluoro-1,4-dihydro-1-(1-hydroxyprop-2-yl)-4-oxoquinoline-3-carboxylate

  • 86760-99-8
    86760-99-8

    diethyl [(-)-7,8-difluoro-3-methyl-2,3-dihydro-4H-[1,4]benzoxazin-4-yl]methylenemalonate

  • 115551-33-2
    115551-33-2

    2-hydroxy 3,4-difluoro aniline

82419-35-0 Downstream products

  • 82419-52-1
    82419-52-1

    N-Demethylofloxacin

  • 82419-36-1
    82419-36-1

    ofloxacin

  • 124338-73-4
    124338-73-4

    9-(4-Ethyl-piperazin-1-yl)-8-fluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid

  • 82419-59-8
    82419-59-8

    8-Fluoro-3-methyl-9-(4-methyl-[1,4]diazepan-1-yl)-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid

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