(+)-alpha -Vetivone has been synthesised in nine steps. The absolute stereochemistry of the two stereogenic centres is controlled in the same key step involving the stereoselective Michael addition of a chiral imine of 4-isopropylidene-2-methylcyclohexanone to phenyl crotonate. (C) 2001 Elsevier Science Ltd. All rights reserved.
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Alves, JCF
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