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Alkyl and 2-hydroxy derivatives of imidazo]4,5-b]pyrazine and their N-oxides

✍ Scribed by A. S. Elina; I. S. Musatova

Book ID
112326161
Publisher
Springer US
Year
1974
Tongue
English
Weight
471 KB
Volume
10
Category
Article
ISSN
0009-3122

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Electrochemical properties of pyrido[1β€²,
Electrochemical properties of pyrido[1β€²,2β€²:1,2]imidazo[4,5-b]pyrazine and pyrido[1β€²,2β€²:1,2]imidazo[4,5-b]quinoxaline derivatives
✍ Satoru Iwata; Kiyoshi Tanaka πŸ“‚ Article πŸ“… 1998 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 190 KB

## Abstract The peak potentials (Ep) of 3‐substituted pyrido[1β€²,2β€²:1,2]imidazo[4,5‐__b__]pyrazine and pyrido[1β€²,2β€²:1,2]‐imidazo[4,5‐__b__]quinoxaline derivatives are sufficiently correlated with Hammett substituent constant ∼~m~ and with the PM3 calculated LUMO energy levels, and the linear relatio

Regioselective N-alkylation of imidazo[4
Regioselective N-alkylation of imidazo[4,5-b]pyridine-4-oxide derivatives: an experimental and DFT study
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S N 2 mechanism Tautomerism a b s t r a c t Regioselectivities were determined for N-alkylations of imidazo [4,5-b]pyridine-4-oxide and 2-methylimidazo [4,5-b]pyridine-4-oxide with benzyl bromide or benzyl iodide at RT using K 2 CO 3 in DMF as a base. Experimental attempts have shown that N-1/N-3 ra