Braunicetals: acetals from condensation of macrocyclic aldehydes and terpene diols in Botryococcus braunii |
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| Authors: | Metzger Pierre Rager Marie-Noëlle Fosse Céline |
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| Affiliation: | Laboratoire de Chimie Bioorganique et Organique Physique, Bioemco, UMR CNRS 7618, Ecole Nationale Supérieure de Chimie de Paris, 11 Rue Pierre et Marie Curie, 75231 Paris Cedex 05, France. |
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| Abstract: | Two series of braunicetals were isolated from the green microalga Botryococcus braunii. Based on spectroscopic and chemical evidence, their structures were determined to be acetals formed by the condensation of C(32) and C(34) macrocyclic aldehydes with C(33) and C(34) methylated squalene diols (series I), or a C(40) lycopaene diol (series II). |
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| Keywords: | Botryococcus braunii Trebouxiophyceae Green alga Acetals Aldehydes Algaenan Braunicetals Macrocycles Structure elucidation |
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