Chiral acetylenes as synthetic intermediates—II: Optically active 1,4-dialkylbuta-1,3-dienes: synthesis and conformational studies |
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| Authors: | Giampaolo Giacomelli Luciano Lardicci Carlo Bertucci Anna Maria Caporusso |
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| Institution: | Centro di Studio del CNR per le Macromolecole Stereordinatc ed Otticamente Attive-Istituto di Chimica Organica délia Facoltà di Scienze dell''Universitá, 56100 Pisa, Italy |
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| Abstract: | The synthesis and the physical properties of some optically active 1,4-dialkylbuta-1,3-dienes are reported. The synthetic processes employed were essentially stereospecific. NMR, UV and CD spectra of these compounds provide information on the main conformation of the conjugated diene system, which was shown to be s-trans planar. |
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