4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide

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Names

[ CAS No. ]:
65897-46-3

[ Name ]:
4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1λ6,2-benzothiazine-3-carboxamide

[Synonym ]:
Desmethyl piroxicam
Piroxicam Impurity B

Chemical & Physical Properties

[ Density]:
1.611g/cm3

[ Molecular Formula ]:
C14H11N3O4S

[ Molecular Weight ]:
317.32000

[ Exact Mass ]:
317.04700

[ PSA ]:
120.26000

[ LogP ]:
3.29790

[ Index of Refraction ]:
1.727

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Saccharin
  • 3-Oxo-1,2-benzoisothiazoline-2[N-(2-pyridyl)]acetamide 1,1-Dioxide
  • methyl 2-(N-(2-oxo-2-(pyridin-2-ylamino)ethyl)sulfamoyl)benzoate
  • 2-Aminopyridine
  • (1,1,2,3,3,3-HEXAFLUOROPROPYL)-1,4-DIOXANE,RACEMIC
  • 2-[1,1-dioxide-3-oxo-1,2-benzisothiazole-2(3H)-yl] acetic acid chloride

DownStream

  • Piroxicam

Related Compounds

  • 3,5-dimethyl-N-(1-methyl-2-oxo-5-(pyrrolidine-1-carbonyl)-1,2-dihydropyridin-3-yl)isoxazole-4-carboxamide
  • 5-methyl-N-(1-methyl-2-oxo-5-(pyrrolidine-1-carbonyl)-1,2-dihydropyridin-3-yl)thiophene-2-carboxamide
  • 2-chloro-N-(6-fluoro-3,4-dihydro-2H-thiochromen-4-yl)acetamide
  • 2-Amino-N-(3,4-dihydro-2H-1-benzothiopyran-4-YL)pentanamide
  • N-[4-(4-methyl-4H-1,2,4-triazol-3-yl)phenyl]prop-2-enamide
  • 2-Amino-N-[4-(2H-1,2,3-triazol-2-yl)phenyl]acetamide
  • (4-(1-(3-chlorophenyl)-1H-imidazol-2-yl)piperazin-1-yl)(2,3-dimethoxyphenyl)methanone hydrochloride
  • N-(2-oxoazepan-3-yl)propenamide
  • 2-Bromo-3-methyl-N-[4-(1H-pyrazol-1-yl)phenyl]butanamide
  • N-{[3-(4-chlorophenyl)-4,5-dihydro-5-isoxazolyl]methyl}-N'-ethyl-N-(4-fluorobenzyl)urea
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