Back to results
US 2018/0290959 A1Published application
Use of novel mixtures of (e/z) cyclopentadecenone isomers, the production and use thereof as flavoring substance
AssigneeBASF SE
InventorsFRAUKE THRUN, Joaquim Henrique TELES, Albert WERNER, Raff PELZER
Life of this patent
Estimating the term…
Abstract
The present invention relates to novel mixtures of cyclopentadecenone isomers, preparation thereof and use thereof as aroma substances, particularly as fragrances, and also aroma substance compositions and agents comprising said mixtures.
Claims21
-20. (canceled)
A method for preparing a macrocyclic keto compound of formula X
- wherein A is a cycloaliphatic hydrocarbon residue having m ring carbon atoms, where m is an integer from 13 to 17, and optionally has n C═C double bonds, where n is an integer equal to 1, 2 or 3, the method comprising)
- a) Oxidatively decarbonylating a cycloaliphatic carbaldehyde compound of formula XI
- where A is as defined above;
- wherein the compound of formula XI is reacted in the presence of a Cu(II) catalyst and molecular oxygen;
- and optionally
- b) Isolating at least one compound of formula X from the reaction mixture.
3 more elements
A substance or substance mixture comprising at least one macrocyclic keto compound of formula X
- wherein A is a cycloaliphatic hydrocarbon residue having m ring carbon atoms, where m is an integer from 13 to 17, and optionally has n C═C double bonds, where n is an integer equal to 1, 2 or 3.
Dependencies are inferred from the claim text.