Chemical Properties
2-(3-Phenylpropyl)-tetrahydrofuran has a sweet, fruity odor and a honey-like, sweet flavor.
Uses
This material is used in flavor compositions
as a sweetener and fruity-caramellic ingredient,
mainly in Maple imitation, Nut and Honey
flavors, and in various fruit complexes. The concentration used is equivalent to
about 0.5 to 5 ppm in the finished product.
Preparation
From β-[2-(5-phenyl furyl)]-propionic acid butyl ester by catalytic hydrogenation with copper chromite under pressure
and subsequent ring closure by heating the intermediate, 7-phenylheptan-1,4-diol, in the presence of Al2O3.
