Organic compounds and their use as fragrance ingredients

Patent metadata

Field	Value
Publication number	US-10450532-B2
Application number	US-201515528242-A
Country	US
Kind code	B2
Filing date	Dec 8, 2015
Priority date	Dec 9, 2014
Publication date	Oct 22, 2019
Grant date	Oct 22, 2019

Abstract

Said compounds are useful as perfume ingredients in personal care and household care products.

First claim

The invention claimed is:

1. A compound according to formula I

wherein:
represents a double bond either at C 4 or at C 5 :
R 1 , R 2 , R 3 , R 4 are independently selected from H or Me; and,
R 5 , R 6 are independently selected from Me or Et,
and wherein the compound is not 9-hydroxy-5,9-dimethyldec-4-enal.

2. A pro-perfume, adapted to provide the compound represented by the formula I

wherein;
represents a double bond either at C 4 or at C 5 , or represents single bonds;
R 1 , R 2 , R 3 , R 4 are independently selected from H or Me, and
R 5 , R 6 are independently selected from Me or Et,
and wherein the compound is not 9-hydroxy-5,9-dimethyldec-4-enal, 9-hydroxy-5,9-dimethyldecanal, or 9-hydroxy-9-methyldecanal.

3. A compound according to formula I which is a perfume ingredient.

4. The perfume ingredient of claim 3 which has muguet odour characteristics.

5. A perfume composition comprising a compound according to the formula I.

6. A perfume composition according to claim 5 comprising one or more additional fragrance ingredients.

7. A perfume composition according to claim 5 that is free of 4(4-hydroxy-4-methylpentyl) 3-cyclohexane carboxaldehyde.

8. A muguet perfume composition according to claim 6 .

9. A personal care product or household care product or fine fragrance comprising at least a compound according to claim 1 .

10. A method of imparting muguet odour characteristics to a personal care product or household care product or fine fragrance, said method comprising the step of: including therein a compound according to claim 1 .

11. A perfume composition according to claim 5 which additionally comprises an anti-oxidant.

12. The pro-perfume of claim 2 which is an aminal and/or enamine of the compound of formula I.

13. The pro-perfume of claim 2 which is a perfume ingredient.

14. The pro-perfume of claim 2 which had muguet odour characteristics.

15. A perfume composition comprising a pro-perfume according to claim 2 .

16. A perfume composition according to claim 6 , where the additional fragrance ingredient is (E/Z)-9-hydroxy-5,9-dimethyldec-4-enal.

17. A personal care product or household care product or fine fragrance comprising at least a pro-perfume according to claim 2 .

18. A personal care product or household care product or fine fragrance comprising a perfume composition according to claim 5 .

19. A personal care product or household care product or fine fragrance comprising a perfume composition according to claim 6 .

20. A personal care product or household care product or fine fragrance comprising a perfume composition according to claim 7 .

Assignees

• Givaudan Sa

Inventors

• Goeke Andreas
• Flachsmann Felix
• Lovchik Martin Alan

Classifications

• C07C33/046

  Butynediols · CPC title

• C11B9/0015 Primary

  containing oxygen as the only heteroatom · CPC title

• C07C47/263

  acyclic · CPC title