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Semisquaric acid, methyl ester

Compound with spectra: 2 NMR

Semisquaric acid, methyl ester
SpectraBase Compound ID 1LBNszOr8Kv
InChI InChI=1S/C5H4O3/c1-8-4-2-3(6)5(4)7/h2H,1H3
InChIKey MJEZXSAOERBSKK-UHFFFAOYSA-N
Mol Weight 112.08 g/mol
Molecular Formula C5H4O3
Exact Mass 112.016044 g/mol

View Spectrum of Semisquaric acid, methyl ester

13C NMR Spectrum
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample H. D. Scharf, H. Frauenrath Chem. Ber. 111, 168 (1978)
Solvent Dimethyl sulfoxide-d6; Reference=TMS; Temperature=Ambient Spectrometer= Not Reported

View Spectrum of Semisquaric acid, methyl ester

13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6
  • METHOXYCYCLOBUTENEDIONE
  • CYCLOBUTENEDIONE, METHOXY-,
2-Methoxymaleamide
3,4-Dihydroxy-3-cyclobutene-1,2-dione dilithium salt
Squaric acid, anion
3,4-Dihydroxy-3-cyclobutene-1,2-dione
Methylthiocyclobutendione
methyl (3Z)-4-hydroxy-2-oxo-3-pentenoate
DTWCFCILAJVNPE-UHFFFAOYSA-N
3-Octen-2-one, 4-methoxy-
2-keto-4-methyl-pent-3-enoic acid methyl ester
3-Methoxy-2-pentenoic acid, methyl ester

This compound is available in the following databases:

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