Many of the organic alcohols, esters and ketones were
purchased from Aldrich/Sigma Chem Co. Valencene was
purchased from Fluka Chem Co and bulnescene was a gift of
Dr. C.H. Heathcote of the University of California, Berkeley.
On the other hand, acetic acid, 2-phenylethyl ester and
propanoic acid, 2-methyl-, 2 methylbutyl ester and
propanoic acid, 2-methyl-, 3 methylbutyl ester were
prepared by organic synthetic methods.