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Ab Initio Study of Energetics of Cationic Heteroconjugation in Pyridine N -Oxide and Its Derivatives Systems

✍ Scribed by Makowski, Mariusz; Tomaszewski, Rafal; Kozak, Anna; Chmurzynski, Lech

Book ID
120000707
Publisher
American Chemical Society
Year
2001
Tongue
English
Weight
164 KB
Volume
105
Category
Article
ISSN
1089-5639

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📜 SIMILAR VOLUMES

A potentiometric study of cationic heter
A potentiometric study of cationic heteroconjugation equilibria in systems with substituted pyridine N-oxides in nitrobenzene
✍ L. Chmurzyński; E. Kaczmarczyk; D. Augustin-Nowacka; P. Barczyński 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 499 KB

## Cationic heteroconjugation equilibria have been studied potentiometrically in systems containing substituted pyridine Noxides in a polar protophobic aprotic solvent, nitrobenzene. For comparison, systems with trimethylamine N-oxide, MesNO, representing aliphatic amine N-oxides, and pyridine, Py

Potentiometric studies of cationic heter
Potentiometric studies of cationic heteroconjugation equilibria in systems involving free and protonated pyridine derivatives in dimethyl sulfoxide
✍ Danuta Augustin-Nowacka; Mariusz Makowski; Lech Chmurzyński 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 118 KB

Cationic standard heteroconjugation constants K o f (BHB 1 ) have been determined by potentiometric titration in systems formed by 4-aminopyridinium and 4-methylpyridinium cations with 4-methylpyridine, 2-methylpyridine, and pyridine in dimethyl sulfoxide. The constants, expressed as lgK o f (BHB 1