Publicação: Stereoselective synthesis of 8,9-licarinediols
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Elsevier B.V.
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Resumo
The total synthesis of 8,9-licarinediols was selectively carried out from licarin A, previously obtained by oxidative coupling of (E)-isoeugenol. The corresponding enantiomerically pure (+)- and(-)-licarin A ester derivatives were subjected to Sharpless oxidation to yield the asymmetric C-8, C-9 dihydroxylation products, whose absolute configurations were established by means of the CD and NMR spectroscopic analyses of their Mosher ester derivatives. (C) 2000 Elsevier B.V. Ltd. All rights reserved.
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licarinediols, 2,3-dihydrobenzofuran lignans ligans, licarin A, synthesis, chiral separations, Mosher esters
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Inglês
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Tetrahedron. Oxford: Pergamon-Elsevier B.V., v. 56, n. 47, p. 9181-9193, 2000.
