The Synthesis of β, γ??and α, β??Unsaturated Aldehydes via Polyene Epoxides
M Rosenberger, W Jackson, G Saucy
Index: Rosenberger, Michael; Jackson, William; Saucy, Gabriel Helvetica Chimica Acta, 1980 , vol. 63, # 6 p. 1665 - 1674
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Citation Number: 40
Abstract
Abstract A substitute for the Darzens glycidic ester synthesis for converting unsaturated ketones or aldehydes into the homologated β, γ-or α, β-unsaturated aldehydes employing sulfur ylides is described. The carbonyl group is converted into the unsaturated oxirane which is then rearranged to the new aldehyde. High yields of isomerically pure aldehydes are available by this method and the process is of practical importance in the conversion ...
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