Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5274540 | Tetrahedron Letters | 2011 | 6 Pages |
Abstract
New reductive alkylating agents in 4- and 5-nitroimidazole series produce exclusively O-alkylation with nitronate anions under classical SRN1 conditions at room temperature. Electron-transfer C-alkylation is observed under microwave irradiation or under conventional heating. Furthermore, X-ray spectroscopy shows that the dihedral angles between the phenyl and imidazole rings for the two series are different, which could greatly influence reactivity in 4- and 5-nitroimidazole series.
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