Reaction of Zinc Enolates Derived from Substituted 2,2-Dibromobutyrophenones with Ethyl 5,5-Dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylate |
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| Authors: | Shchepin V V Kalyuzhnyi M M Shchepin R V Vakhrin M I |
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| Institution: | (1) Perm State University, Perm, Russia |
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| Abstract: | Zinc enolates derived from substituted 2,2-dibromobutyrophenones react with ethyl 5,5-dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylate to give ethyl 6-aroyl-6-ethyl-4,4-dimethyl-2-oxo-3-oxabicyclo3.1.0]-hexane-1-carboxylates mostly as a single geometric isomer. |
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