ACID SODIUM SALT OF 1H-PYRAZOLE-3,4,5- TRICARBOXYLIC ACID: SYNTHESIS, CRYSTAL STRUCTURE AND FEATURES OF INTRAMOLECULAR BONDS

ACID SODIUM SALT OF 1H-PYRAZOLE-3,4,5- TRICARBOXYLIC ACID: SYNTHESIS, CRYSTAL STRUCTURE AND FEATURES OF INTRAMOLECULAR BONDS

The oxidation reaction of 3,3′,5,5′-tetramethyl-1H,1′H-4,4′-bipyrazole in the HNO 3 –Fe 3+ system unexpectedly resulted in the formation of 1Н-pyrazole-3,4,5-tricarboxylic acid (H 3 PTCA) isolated as the acid sodium salt Na(H 2 O) 2 H 2 PTCA. The compound has a polymeric structure stabilized by rare...

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Veröffentlicht in:Journal of structural chemistry 2022-04, Vol.63 (4), p.593-602
Hauptverfasser: Goncharenko, V. E., Gudovannyy, A. O., Lunev, A. M., Belousov, Yu. A., Lyssenko, K. A.
Format: Artikel
Sprache:eng
Schlagworte:
Atomic
Atomic/Molecular Structure and Spectra
Chemistry
Chemistry and Materials Science
Crystal structure
Inorganic Chemistry
Molecular
Optical and Plasma Physics
Oxidation
Physical Chemistry
Pyrazole
Sodium
Sodium salts
Solid State Physics
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Zusammenfassung:The oxidation reaction of 3,3′,5,5′-tetramethyl-1H,1′H-4,4′-bipyrazole in the HNO 3 –Fe 3+ system unexpectedly resulted in the formation of 1Н-pyrazole-3,4,5-tricarboxylic acid (H 3 PTCA) isolated as the acid sodium salt Na(H 2 O) 2 H 2 PTCA. The compound has a polymeric structure stabilized by rare seven-membered Н-bonded rings.
ISSN:0022-4766
1573-8779
DOI:10.1134/S0022476622040102