Synthesis of earthy-mouldy smelling compounds - II ethyl α- and β- FENCHOL (cas 1632-73-1)s

Add time:07/25/2019    Source:sciencedirect.com

Several stereoselective routes to both ethyl α- and β- fenchols 1α and 1β are discussed. Direct addition of ethyllithium to fenchone was the best route to 1α whereas obtention of 1β was achieved through the highly stereoselective retroethynylation of a mixture of ethynyl α- and β-fenchols 4α and 4β.

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