We are reporting an alternative methodology to prepare (+)-Filbertone (1), a natural flavor isolated from hazelnut extracts. Commercially available (-)-2(S)-methylbutan-1-ol (2) was used as starting material and the synthesis was carried out in four steps with an overall yield of 42%. The optical rotation and the enantiomeric purity of the final compound were determined.
pyridinium chlorocromate; Filbertone; double bond isomerization