Synthesis p. 251 - 254 (1987)
Update date:2022-08-03
Topics:
Ahlbrecht, Hubertus
Dietz, Manfred
Weber, Lothar
A new method for the synthesis of the title compounds by a onepot, three component, coupling reaction is described.Is consists of the reaction of a homoenolate anion and an enol cation equivalent with subsequent alkylation of an acyl-anion equivalent.Hence the methodology of Umpolung is used in a threefold manner within the reaction sequence.
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