Synthesis of sterically hindered 1-hydroxy-2-acetyl-3-imidazoline 3-oxides and stable nitroxyl radicals from them |
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| Authors: | S A Amitina L B Volodarskii |
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| Institution: | 1. Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Academy of Sciences of the USSR, USSR
2. Novosibirsk State University, USSR
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| Abstract: | | 1. |
The condensation of 1,2-hydroxylamino oximes with biacetyl leads to 1-hydroxy-2-acetyl-2,4,5,5-tetrasubstituted 3-imidazoline 3-oxides.
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When 1-hydroxy-2-acetyl-2,5,5-trimethyl-4-phenyl-3-imidazoline 3-oxide is oxidized the CH3CO group is cleaved to give the 5H-imidazole 1,3-dioxide.
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Stable nitroxyl radicals were obtained when the 1-hydroxy-2-oximiaoethyl-2,4,5,5-tetrasubstituted 3-imidazoline 3-oxides are oxidized.
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