Rotational equilibria in 1,2,6-trisubstituted pyridinium cations and reactions of 2-Isopropylpyrylium cations
β Scribed by Alan R. Katritzky; Socrates N. Vassilatos; Mateo Alajarin-Ceron
- Publisher
- John Wiley and Sons
- Year
- 1983
- Tongue
- English
- Weight
- 774 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0749-1581
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## Abstract Investigation of ^15^N NMR spectra of isotopically enriched creatinine has unequivocally shown that in DMSOβd~6~ solution it exists as amino tautomer (2βaminoβ1βmethylimidazolineβ4βone), which in the presence of acid is protonated at Nβ3. Free energies of activation of the amino group r