Mixtures of unsaturated macrocyclic epoxides as odoriferous substances

1. A composition comprising a mixture of isomers of 17-oxabicyclo[14.1.0]heptadec-8-ene, having a content of an (E)-17-oxabicyclo[14.1.0]heptadec-8-ene isomer (1) and/or (2),

wherein

a) if the isomer mixture contains four isomers (1), (2), (3) and (4), the content of isomer (1) is greater than 32 wt. % and/or the content of isomer (2) is greater than 12 wt. %,

b) if the isomer mixture contains only two or three isomers chosen from the isomers (1), (2), (3) and (4), the content of isomer (1) and/or isomer (2) is at least 45 wt. %,

in each case based on the total weight of the isomer mixture.

2. The composition according to claim 1 , wherein the content of (E)-17-oxabicyclo[14.1.0]heptadec-8-ene (1) is greater than 32 wt. %, based on the total weight of the isomer mixture.

3. The composition according to claim 1 , wherein the content of (E)-17-oxabicyclo[14.1.0]heptadec-8-ene (1) is at least 40 wt. %, based on the total weight of the isomer mixture.

4. The composition according to claim 1 , wherein the composition has a content of (E)-17-oxabicyclo[14.1.0]heptadec-8-ene (1) of at least 50 wt. %.

5. The composition according to claim 1 , wherein the content of (E)-17-oxabicyclo[14.1.0]heptadec-8-ene (2) is at least 25 wt. % based on the total weight of the isomer mixture.

6. The composition according to claim 1 , wherein the content of isomers (1) and (2) ((E) double bond content)

in total is greater than 45 wt. %, based on the total weight of the isomer mixture.

7. The composition according to claim 1 , wherein the (E) double bond content is at least 55 wt. %.

8. The composition according to claim 1 , wherein the content of (E) double bond content is at least 60 wt. %.

9. A composition comprising an odoriferous or aroma substance mixture, comprising an isomer mixture of 17-oxabicyclo[14.1.0]heptadec-8-ene according to claim 1 and one or more further odoriferous or aroma substances.

10. A composition comprising a perfumed product, comprising a solid or semi-solid carrier and a sensorially active amount, in contact with the carrier or mixed with it, of an odoriferous or aroma substance mixture according to claim 9 .

11. A composition comprising a perfumed product according to claim 10 , wherein the product is a detergent or a hygiene or care product.

12. A method for imparting, intensifying and/or modifying a musk smell or aroma comprising employing an odoriferous or aroma substance mixture according to claim 9 in a solid carrier, aerosol spray, wax, polish, or body care composition.

13. A method of imparting, intensifying or modifying a musk smell, having the following step:

bringing into contact or mixing with a product, a sensorially active amount of an odoriferous or aroma substance mixture according to claim 9 .

14. A composition comprising a perfumed product, comprising a solid or semi-solid carrier and a sensorially active amount, in contact with the carrier or mixed with it, of an isomer mixture according to claim 1 .

15. A composition comprising a perfumed product according to claim 14 , wherein the product is a detergent or a hygiene or care product.

16. A method for imparting, intensifying and/or modifying a musk smell or aroma comprising employing the composition of an isomer mixture according to claim 1 in a solid carrier, aerosol spray, wax, polish, or body care composition.

17. A method of imparting, intensifying or modifying a musk smell, having the following step:

bringing into contact or mixing a product with a sensorially active amount of an isomer mixture according to claim 1 .

18. A fixative comprising

an isomer mixture of 17-oxabicyclo[14.1.0]heptadec-8-ene (1) and/or (2) according to claim 1 .

19. An agent for increasing the olfactory perception of other odoriferous substances or odoriferous substance compositions comprising an isomer mixture of 17-oxabicyclo[14.1.0]heptadec-8-ene (1) and/or (2) or of an odoriferous substance mixture according to claim 9 .