Syntheses of enantiomeric dihydropyrans through stereocontrolled intramolecular cycloaddition |
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Authors: | Lutz-F Tietze Gunter v Kiedrowski |
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Institution: | Organisch-Chemisches Institut der Universität Göttingen Tammannstraße 2, D-3400 Göttingen, Germany |
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Abstract: | Reaction of the cyclic 1, 3-dicarboxylic acid derivatives (), () and () with (R)- or (S)-citronellal (/) gives the enantiomeric tricyclic dihydropyrans (), (), () and (), probably via a 100% stereocontrolled intramolecular cycloaddition. |
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