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US 6,114,300 AGranted
Spirocyclic compounds
AssigneeGivaudan Roure (International) SA
InventorsBernadette Bourdin, Georg Frater, Jerzy A. Bajgrowicz
Life of this patent
Estimating the term…
Abstract
Spirocyclic compounds of the general formula (I) are provided which are powerful odorants. Compositions which include these compounds are also provided. They can be used, for instance, in perfumery.
Claims10
A compound of the general formula (I):
- ##STR5## in which the --C(O)X-substituted ring is saturated or unsaturated in the .alpha. or .beta. position and wherein:
- X represents a methylene group or an oxygen atom,
- R.sup.1, R.sup.2, R.sup.3, R.sup.4 are independently a hydrogen atom or a methyl radical,
- n and n' are independently 1 or 2,
- R.sup.4 is at any position on the ring.
2 more elements
A perfume composition comprising at least one compound of general formula (I):
- ##STR6## in which the --C(O)X-substituted ring is saturated or unsaturated in the .alpha. or .beta. position and wherein:
- X represents a methylene group or an oxygen atom,
- R.sup.1, R.sup.2, R.sup.3, R.sup.4 are independently a hydrogen atom or a methyl radical,
- n and n' are independently 1 or 2,
- R.sup.4 is at any position on the ring.
2 more elements
A perfume composition comprising at least one compound taken from the group consisting of 1-(spiro[4.5]dec-7-en-7-yl)-pent-4-en-1-one;
- 1-(spiro[4.5]dec-6-en-7-yl)-pent-4-en-1-one;
- 1-(spiro[4.5]dec-2-en-2-yl)-pent-4-en-1-one;
- 1-(spiro[4.5]dec-1-en-2-yl)-pent-4-en-1-one;
- 1-(spiro[4.4]non-2-en-2-yl)-pent-4-en-1-one;
- 1-(spiro[4.4]non-1-en-2-yl)-pent-4-en-1-one;
- 1-(spiro[5.5]undec-2-en-2-yl)-pent-4-en-1-one;
- 1-(spiro[5.5]undec-1-en-2-yl)-pent-4-en-1-one;
- trans-1-(spiro[4.5]dec-7-en-7-yl)-hex-4-en-1-one;
- and trans-1-(spiro[4.5]dec-6-en-7-yl)-hex-4-en-1-one.
6 more elements
Dependencies are inferred from the claim text.