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Synthesis of imidazo[4,5‐ b ]quinoxaline 3‐oxides from reactions of furazano[3,4‐ b ]quinoxaline 1‐oxides with nitrones and diazo compounds
Author(s) -
Gallos John K.,
MalamidouXenikaki Elizabeth,
Lianis Pygmalion S.,
Spyrou Labros I.
Publication year - 1993
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570300413
Subject(s) - quinoxaline , chemistry , diazo , medicinal chemistry , organic chemistry , combinatorial chemistry , stereochemistry
The title compounds are prepared in good yields by simple procedures from readily available starting materials. They can be easily O ‐methylated by methyl iodide or deoxygenated by triphenylphosphine.