Chemical Properties
2-Methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)butanol is a colorless liquid with
a woody, tenacious sandalwood odor with a slight musk nuance. It is prepared
by sequential aldol condensation of ??-campholenaldehyde with propanal, hydrogenation,
and reduction.
It is used to perfume soaps and detergents.
??-Campholenaldehyde (2,2,3-trimethyl-3-cyclopenteneacetaldehyde,C
10H
16O,
M
r 152.24 is obtained by epoxidation of ??-pinene and rearrangement
of the epoxide and serves as starting material for a number of additional
“campholene sandalwood” aroma chemicals.