Synthesis of mono- and 1,4-dicarbonyl compounds based on the oxygenation of phosphonate carbanions. Synthesis of dihydrojasmone,allethrone and methylenomycin b |
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| Authors: | Marian Mikołajczyk Wanda Midura Sławomir Grzejszczak |
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| Affiliation: | Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Department of Organic Sulphur Compounds, 90-362 ?odz, Boczna 5, Poland |
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| Abstract: | Oxidation of the α-alkylthio-substituted phosphonate carbanions was found to give the corresponding carbonyl compounds. A new synthesis of 1,4-dicarbonyl systems involving the oxygenation of phosphonate carbanions as a key step is described. Total synthesis of dihydrojasmone and allethrone and formal synthesis of methylenomycin B is reported. |
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