Firmenich Sa

Dietrich Kastner

Karl-Heinrich Schulte-Elte

Karl H Schulte-Elte

Arnoldus Uijttewaal

2,3-Epoxy-1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-1-butanone, an epoxy ketone of formula ##STR1## possess useful fragrance characters and, consequently, it can be used advantageously in the manufacture of perfume, perfume bases and perfumed products. It develops a flowery and fruity odor.

Unsaturated aliphatic ketone and use of same as perfuming ingredient

2,3-Epoxy-1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-1-butanone, an epoxy ketone of formula ##STR1## possesses useful fragrance characters and, consequently, it can be used advantageously in the manufacture of perfume, perfume bases and perfumed products. It develops a flowery and fruity odor.

Unsaturated aliphatic ketone [and use of same as perfuming ingredient]

1-Cyclopentenylacetic acid, a compound of formula ##STR1## possesses useful odorous properties and consequently can find an advantageous application for the preparation of perfume compositions, perfume bases and perfumed products.

Utilization of 1-cyclopentenylacetic acid as perfuming ingredient

Methyl 2,6,6-trimethyl-cyclohex-2-en-1-yl carboxylate is a useful perfuming ingredient, especially for the reproduction of fruity, floral and fresh odor notes.

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Givrins, Switzerland

Dietrich Kastner