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4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide

Compound with spectra: 3 NMR, 2 FTIR, and 2 UV-Vis

4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide
SpectraBase Compound ID 9MyV4oU3U9B
InChI InChI=1S/2C11H11NO5S/c2*1-2-17-11(14)9-10(13)7-5-3-4-6-8(7)18(15,16)12-9/h3-6,12-13H,2H2,1H3;3-6,9,12H,2H2,1H3
InChIKey PWPWERVVUHBKRT-UHFFFAOYSA-N
Mol Weight 269.27 g/mol
Molecular Formula C11H11NO5S
Exact Mass 269.035794 g/mol

View Spectrum of 4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide

13C NMR Spectrum
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample C. B. Schapira, University of Buenos Aires, Buenos Aires, Argentina
Solvent Polysol; Reference=TMS Spectrometer= Varian CFT-20

View Spectrum of 4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide

1H NMR Spectrum
Copyright Copyright © 2009-2025 John Wiley & Sons, Inc. All Rights Reserved.
Solvent CDCl3

View Spectrum of 4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide

1H NMR Spectrum
Copyright Copyright © 2009-2025 John Wiley & Sons, Inc. All Rights Reserved.
Solvent CDCl3

View Spectrum of 4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide

FTIR Spectrum
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample C. R. Rasmussen, Mcneil Laboratories, Inc., Fort Washington, Pennsylvania
Technique KBr WAFER

View Spectrum of 4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide

FTIR Spectrum
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample C. B. SCHAPIRA, UNIVERSITY OF BUENOS AIRES, BUENOS AIRES, ARGENTINA
Technique KBr WAFER

View Spectrum of 4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide

UV-Vis Spectrum
Copyright Copyright © 2008-2025 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Methanol

View Spectrum of 4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide

UV-Vis Spectrum
Copyright Copyright © 2008-2025 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Methanol
  • 2,3-dihydro-4-oxo-4H-1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide
  • BENZOTHIAZINE-3-CARBOXYLIC ACID, 2H-1,2-, 4-HYDROXY-, ETHYL ESTER, 1,1-DIOXIDE
  • BENZOTHIAZINE-3-CARBOXYLIC ACID, 4H-1,2-, 2,3-DIHYDRO-4-OXO-, ETHYL ESTER, 1,1-DIOXIDE
3-benzoyl-2,3-dihydro-4H-1,2-benzothiazin-4-one, 1,1-dioxide
3-CARBOXY-4-HYDROXY-2H-1,2-BENZOTHIAZINE-2-ACETIC ACID, DIETHYL ESTER, 1,1-DIOXIDE
1,1-diketo-4-methoxy-2-methyl-N-(2-pyridyl)benzo[e]thiazine-3-carboxamide
2-[2'-(N,N-Diethylamino)ethyl]-4-hydroxy-1,2-benzothiazine-3-(N-hexyl)carboxamide - 1,1-dioxide
2-[2'-(N,N-Dimethylamino)ethyl]-4-hydroxy-1,2-benzothiazine-3-(N-hexyl)carboxamide - 1,1-dioxide
2-[2'-(N,N-Diethylamino)ethyl]-4-hydroxy-1,2-benzothiazine-3-(N-isopropyl)carboxamide - 1,1-dioxide
2-[2'-(N,N-Dimethylamino)ethyl]-4-hydroxy-1,2-benzothiazine-3-(N-phenyl)carboxamide - 1,1-dioxide
(+)-(3S,4S)-N-Benzyl-3-(3,4-dimethoxyphenyl)-6,7-dimethoxy-4-(2-propenyl)-1,2,3,4-tetrahydroisoquinoline, Hydrochloride salt
2-[2'-(N,N-Dimethylamino)ethyl]-4-hydroxy-1,2-benzothiazine-3-(N-isopropyl)carboxamide - 1,1-dioxide
Piroxycam ME
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