Patent Number: 6,252,120

Title: Process for the preparation of 2,4,4,7-tetramethyl-oct-6-en-3-one and its use as an aroma substance

Abstract: 2,4,4,7-Tetramethyl-oct-6-en-3-one, as a perfume component, imparts new smell facets to perfume compositions. It can be prepared in a good yield by prenylation of 1-chloro-3-methyl-2-butene in a 2-phase process.

Inventors: Dilk; Erich (Holzminden, DE), Worner; Peter (Holzminden, DE)

Assignee: Haarmann & Reimer GmbH

International Classification: C07C 49/203 (20060101); C07C 45/00 (20060101); C07C 45/68 (20060101); C07C 49/00 (20060101); C11B 9/00 (20060101); C07C 045/00 ()

Expiration Date: 06/26/2018