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Phytochemicals from Echinacea and Hypericum: A Direct Synthesis of Isoligularone |
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| Authors: | Kraus George A Bae Jaehoon Kim Junwon |
| Institution: | Department of Chemistry, Iowa State University, Ames, IA 50011. |
| Abstract: | Reaction of trienes with α,β-unsaturated aldehydes produces bicyclic products via a tandem Diels-Alder/ene reaction. The adduct from tiglic aldehyde was converted into isoligularone by conversion to a furan followed by benzylic oxidation. |
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