Reactions of oxiranes with alkali metals: intermediacy of radical-anions |
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Authors: | KN Gurudutt MA Pasha B Ravindranath P Srinivas |
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Institution: | Central Food Technological Research Institute, Mysore 570013, India |
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Abstract: | Reaction of oxiranes with alkali metals in aprotic solvents yields a variety of products depending on the nature of the metal and the structure of the oxirane. Deoxygenation to olefins is the major reaction in case of lithium. Rearrangement to carbonyl compounds, reduction to alcohols and formation of dimeric products occur when oxiranes are treated with sodium. All the reactions could be rationalised by a mechanism involving an initial single electron transfer leading to the formation of a radical-anion intermediate. |
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