(Z)-7-cyclohexadecen-1-one as an odorant
View Patent ↗The compound (Z)-7-cyclohexadecen-1-one is described as a musk odorant. Also described are odorant or aroma mixtures comprising (Z)-7-cyclohexadecen-1-one and one or more other odorants or aromas.
1. (Z)-7-Cyclohexadecen-1-one.
2. An odorant or aroma mixture comprising (Z)-7-cyclohexadecen-1-one and one or more other odorants or aromas.
3. An odorant or aroma mixture according to claim 2 comprising (Z)-7-cyclohexadecen-1-one and (E)-7-cyclohexadecen-1-one.
4. An odorant or aroma mixture according to claim 3 wherein the weight ratio of(E)-7-cyclohexadecen-1-one to (Z)-7-cyclohexadecen-1-one is in the range from 6:1 to 1:2.
5. An odorant or aroma mixture according to claim 4 wherein the weight ratio of(E)-7 cyclohexadecen-1-one to (Z)-7-cyclohexadecen-1-one is in the range from 4:1 to 1:1.
6. An odorant or aroma mixture according to claim 3 , comprising
(Z)-7-cyclohexadecen-1-one,
(E)-7-cyclohexadecen-1-one,
(Z)-8-cyclohexadecen-1-one, and
(E)-8-cyclohexadecen-1 -one.
7. An odorant or aroma mixture according to claim 6 wherein the weight ratio of(E,Z)-7-cyclohexadecen-1-one to (E,Z)-8-cyclohexadecen-1-one is in the range from 10:1 to 1:10.
8. An odorant or aroma mixture according to claim 7 wherein the weight ratio of(E,Z)-7-cyclohexadecen-1-one to (E,Z)-8-cyclohexadecen-1-one is in the range from 5:1 to 1:5.
9. An odorant or aroma mixture according to claim 8 wherein the weight ratio of (E,Z)-7-cyclohexadecen-1-one to (E,Z)-8-cyclohexadecen-1-one is in the range from 2:1 to 1:4.
10. A method for making an odorant or aroma mixture composition comprising adding (Z)-7-cyclohexadecen-1-one.
11. A method according to claim 10 comprising adding (Z)-7-cyclohexadecen-1-one in a quantity sufficient to act as a fixative.
12. A method according to claim 10 comprising adding (Z)-7-cyclohexadecen-1-one in a quantity sufficient to enhance the olfactory perception of odorants or odorant compositions.
13. A method for delivering, enhancing or modifying a musk odour comprising adding to a product to be scented a sensorily-active quantity of (Z)-7-cyclohexadecen-1-one.
14. A perfumed product comprising (Z)-7-cyclohexadecen-1-one.
15. A perfumed product according to claim 14 wherein the product is a detergent, toiletry or personal care formulation.
16. A method for the preparation of (E/Z)-7-cvclohexadecen-1-one having the following steps:
(a) partially reducing 1,8-cyclohexadecanedione to the corresponding hydroxyketone, and
(b) dehydrating the hydroxyketone to (E/Z)-7-cyclohexadecen-1-one.