Fragrance composition
Compositions containing a cis isomer and a trans isomer, in which the cis isomer includes a compound represented by formula (Ia), a compound represented by formula (Ib), a compound represented by formula (IIa), and a compound represented by formula (IIb), the trans isomer includes a compound represented by formula (IIIa), a compound represented by formula (IIIb), a compound represented by formula (IVa), and a compound represented by formula (IVb), and a mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 65:35 or more and 95:5 or less: in which in the formulae (Ia), (Ib), (IIa), (IIb), (IIIa), (IIIb), (IVa), and (IVb), R 1 is an alkyl group having 1 or more and 5 or less of carbon atoms, and R 2 is a hydrogen atom or an alkyl group having 1 or more and 4 or less of carbon atoms, are useful as fragrances.
1 . A fragrance composition comprising a cis isomer and a trans isomer,
wherein the cis isomer comprises a compound represented by formula (Ia), a compound represented by formula (Ib), a compound represented by formula (IIa), and a compound represented by formula (IIb),
the trans isomer comprises a compound represented by formula (IIIa), a compound represented by formula (IIIb), a compound represented by formula (IVa), and a compound represented by formula (IVb), and
a mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 65:35 or more and 95:5 or less,
wherein in the formulae (Ia), (Ib), (IIa), (IIb), (IIIa), (IIIb), (IVa), and (IVb),
R 1 is an alkyl group having 1 or more and 5 or less of carbon atoms, and
R 2 is a hydrogen atom or an alkyl group having 1 or more and 4 or less of carbon atoms,
wherein a mass ratio of a sum of the compound represented by formula (Ia) and the compound represented by formula (Ib) to a sum of the compound represented by formula (IIa) and the compound represented by formula (IIb) is 55:45 or more and 68:32 or less.
2 . The fragrance composition according to claim 1 , wherein the mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 65:35 or more and 78:22 or less.
3 . The fragrance composition according to claim 1 , wherein the mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 82:18 or more and 95:5 or less.
4 . The fragrance composition according to claim 1 , wherein R 1 is a t-butyl group.
5 . The fragrance composition according to claim 1 , wherein R 2 is a methyl group or an ethyl group.
6 . The fragrance composition according to claim 1 , wherein the fragrance composition further comprises at least one selected from the group consisting of alcohols, phenols, esters, carbonates, aldehydes, ketones, acetals, ethers, lactones, nitriles, natural essential oils, and natural extracts that are other than the compound represented by formula (Ia), the compound represented by formula (Ib), the compound represented by formula (IIa), the compound represented by formula (IIb), the compound represented by formula (IIIa), the compound represented by formula (IIIb), the compound represented by formula (IVa), and the compound represented by formula (IVb).
7 . The fragrance composition according to claim 1 , wherein the fragrance composition further comprises at least one selected from the group consisting of a lime essential oil, limonene, and menthol.
8 . The fragrance composition according to claim 1 , wherein the fragrance composition further comprises at least one selected from the group consisting of 4-methyl-2-(2-methylpropyl) oxan-4-ol, hexyl acetate, and methyl dihydrojasmonate.
9 . The fragrance composition according to claim 1 , wherein the mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 68:32 or more and 90:10 or less.
10 . The fragrance composition according to claim 1 , wherein the mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 68:32 or more and 78:22 or less.
11 . The fragrance composition according to claim 1 , wherein the mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 68:32 or more and 75:25 or less.
12 . The fragrance composition according to claim 1 , wherein the mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 82:18 or more and 90:10 or less.
13 . The fragrance composition according to claim 1 , wherein the mass ratio of the cis isomer to the trans isomer [cis isomer:trans isomer] is 85:15 or more and 90:10 or less.
14 . A fragrance composition having a citrus note or a floral note, comprising the fragrance composition according to claim 1 .
15 . A cosmetic, comprising the fragrance composition according to claim 1 .
16 . A cleaning composition, comprising the fragrance composition according to claim 1 .
17 . A method for imparting a fragrance to a composition, comprising:
adding the fragrance composition according to claim 1 as a fragrance-imparting component to the composition.