Back to results
US 7,655,614 B2Granted
3-isopropyl-1-methylcyclopentyl derivatives and their use in fragrance applications
AssigneeGivaudan SA
InventorJerzy A. Bajgrowicz
Life of this patent
Estimating the term…
Abstract
This invention relates to 3-isopropyl-1-methylcyclopentyl derivatives and their use in fragrance applications.
Claims8
A fragrance composition comprising a compound of the following formula,
- wherein
- R1 is hydrogen;
- or
- R1 and R2 are independently C2-8 alkyl, C2-8 alkenyl, C3-8 cycloalkyl, C3-8 cycloalkyl substituted with at least one C1-3 alkyl, aryl, or aryl group substituted with at least one C1-3 alkyl group;
- R3 is hydroxy, C1-8 alkoxy, C3-8 cycloalkoxy, C2-5 alkoxymethyloxy, aryloxy, or aryloxy wherein the aromatic ring is substituted with C1-3 alkyl;
- or
- R2 and R3 form together with the carbon atom to which they are attached a carbonyl group.
4 more elements
A compound of formula I
- wherein
- R1 is hydrogen;
- or
- R1 and R2 are independently C2 alkyl, C2-8 alkenyl, C3-8 cycloalkyl, C3-8 cycloalkyl substituted with at least one C1-3 alkyl, aryl, or aryl group substituted with at least one C1-3 alkyl group;
- R3 is hydroxy, C1-8 alkoxy, C3-8 cycloalkoxy, C2-5 alkoxymethyloxy, aryloxy, or aryloxy wherein the aromatic ring is substituted with C1-3 alkyl;
- or
- R2 and R3 form together with the carbon atom to which they are attached a carbonyl group;
- with the proviso that if R2 and R3 form together with the carbon atom to which they are attached a carbonyl group, then R1 is not hydrogen or phenyl.
5 more elements
A fragrancing composition comprising one or more compounds selected from:
- (1R,cis)-1-ethoxymethoxymethyl-3-isopropyl-1-methylcyclopentane,
- 1-[(1R,cis)-3-isopropyl-1-methylcyclopentyl]propan-1-one,
- 1-[(1S,cis)-3-isopropyl-1-methylcyclopentyl]propan-1-one,
- 1-[(1R,cis)-3-isopropyl-1-methylcyclopentyl]pentan-1-one,
- 1-[(1R,cis)-3-isopropyl-1-methylcyclopentyl]propan-1-ol,
- 1-[(1S,cis)-3-isopropyl-1-methylcyclopentyl]propan-1-ol,
- 1-[(1R,cis)-3-isopropyl-1-methylcyclopentyl]pentan-1-ol,
- 2-[(1R,cis)-3-isopropyl-1-methylcyclopentyl]propan-2-ol,
- 2-[(1S,cis)-3-isopropyl-1-methylcyclopentyl]propan-2-ol,
- 2-[(1R,cis)-3-isopropyl-1-methylcyclopentyl]butan-2-ol,
- 2-[(1S,cis)-3-isopropyl-1-methylcyclopentyl]butan-2-ol,
- 2-[(1R,cis)-3-isopropyl-1-methylcyclopentyl]pent-3-en-2-ol,3-[(1R,cis)-3-isopropyl-1-methylcyclopentyl)pentan-3-ol, and
- 1-[(1R,cis)-3-isopropyl-1-methylcyclopentyl]butan-1-ol.
10 more elements
Dependencies are inferred from the claim text.