Organoelement Compounds
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ChemInform Abstract: Diels-Alder Reactions of 1-(Phenylseleno)-2-(p-toluenesulfonyl)ethyne - A Novel Dienophile and Ketene Equivalent.
First published: April 16, 1996
Abstract
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ChemInform Abstract
The ethyne (II) mentioned in the title undergoes Diels-Alder reactions with a variety of dienes to afford 1,4-hexadiene derivatives or aromatized products. The conversion of adduct (IIIa) to the bicyclic ketone (XIV) demonstrates that (II) can be employed as a ketene equivalent.
