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-[(Benzyloxy)carbonyl]-9,9-difluoro-3-azabicyclo[3.3.1]nonane-7-carboxylic acid
  • ethyl 5-(2,2,2-trifluoroethyl)-1H-1,2,3-triazole-4-carboxylate
  • methyl 5-(2-methylpropyl)-1H-1,2,3-triazole-4-carboxylate
  • methyl 5-pentyl-1H-1,2,3-triazole-4-carboxylate
  • tert-butyl 5-(2-methylcyclopropyl)-1H-1,2,3-triazole-4-carboxylate
  • tert-butyl 5-(1-cyclobutylethyl)-1H-1,2,3-triazole-4-carboxylate
  • methyl 6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H,4H,5H,6H-cyclopenta[b]pyrrole-2-carboxylate
  • ethyl 5-[1-(oxolan-2-yl)ethyl]-1H-1,2,3-triazole-4-carboxylate
  • ethyl 5-(3,3-difluorocyclopentyl)-1H-1,2,3-triazole-4-carboxylate
  • ethyl 5-(1,1-dioxo-1lambda6-thiolan-2-yl)-1H-1,2,3-triazole-4-carboxylate
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