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Structure of 3,4-dicarboxy-1-methylpyridinium chloride studied by X-ray diffraction, DFT calculations, NMR and FTIR spectra

✍ Scribed by M. Szafran; A. Katrusiak; Z. Dega-Szafran; P. Barczyński


Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
837 KB
Volume
934
Category
Article
ISSN
0022-2860

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Structure of 1H-2-oxo-2,3-dihydroimidazo
✍ I. Kowalczyk; E. Bartoszak-Adamska; M. Jaskólski; Z. Dega-Szafran; M. Szafran 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 789 KB

2-Aminopyridine betaine (1-carboxymethyl-2-aminopyridinium inner salt) forms crystalline complexes with HCl, HBr and HClO 4 . These complexes on heating in ethanol cyclize to 1H-2-oxo-2,3-dihydroimidazo[1,2-a]pyridinium chloride (1Ax), bromide (2Ax) and perchlorate (3Ax), respectively. Infrared spec