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| - Enantioselective Synthesis of Alkyl-Branched Alkanes. Synthesisof the Stereoisomers of 7,11-Dimethylheptadecane and7-Methylheptadecane, Components of the Pheromone of LambdinaSpecies
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| - The stereoisomers of 7,11-dimethylheptadecane and 7-methylheptadecane have been synthesized.The key step used has been the intramolecular hydride transfer from a secondary γ-benzyloxygroup with defined absolute stereochemistry to a cation generated by Lewis acid treatment of thesuitable tertiary Co2(CO)6-complexed propargylic alcohol. The application of this method providedstereochemically defined α-alkyl-γ-hydroxy-acetylenes that after hydrogenation and further reductive elimination of the hydroxyl group yielded sec-alkyl hydrocarbons.
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