JPWO2019243369A5 - - Google Patents

Description

［式中、
Ｒ^１およびＲ^２は、互いに別々かつ独立して、水素原子、ハロゲン原子（好ましくは塩素）、Ｃ_１～Ｃ_４の直鎖または分岐アルキル基、アミノ基、またはベンジルアミノ基を表すか；あるいはＲ^１とＲ^２が一緒になって、１～４個のＣ_１～Ｃ_４の直鎖もしくは分岐のアルキル基もしくはアルケニル基、および／または１～２個のハロゲン原子（好ましくは塩素原子）で置換されていてよいフェニル環またはピリジン環を表し；
Ｒ^３は、水素原子、アルカリ金属原子（特にＮａまたはＫ）、１個もしくは２個のハロゲン原子および／または１個もしくは２個のメチル基、トリフルオロメチル基、メトキシ基もしくはアミノ基で置換されていてよいフェニル基またはベンジル基、アミン基、または１個もしくは２個の窒素原子、酸素原子もしくはハロゲン原子で置換されていてよいＣ_１～Ｃ_８の不飽和の直鎖、分岐、もしくは環状の炭化水素基を表す］。 A particular embodiment of the perfume compositions of the present invention relates to those further comprising (in addition to the compositions described above) at least one compound selected from among the isothiazolones of the formula:

[In the formula,
R ¹ and R ² independently and independently represent a hydrogen atom, a halogen atom (preferably chlorine), a C ₁ to C ₄ linear or branched alkyl group, an amino group, or a benzylamino group; or R ¹ and R ² together are 1 to 4 C ₁ to C ₄ linear or branched alkyl or alkenyl groups and/or 1 to 2 halogen atoms (preferably chlorine atoms); represents an optionally substituted phenyl or pyridine ring;
R ³ is substituted with a hydrogen atom, an alkali metal atom (especially Na or K), 1 or 2 halogen atoms and/or 1 or 2 methyl , trifluoromethyl, methoxy or amino groups a phenyl or benzyl group, an amine group, or a C ₁ to C ₈ unsaturated straight chain, branched chain, optionally substituted by 1 or 2 nitrogen atoms, oxygen atoms or halogen atoms; or represents a cyclic hydrocarbon group].

Claims (18)

A compound of the formula:

[In the formula,
n is an integer that varies between 1 and 6;
A is 1 to 8 ether groups and/or one selected from the group consisting of alcohols, ketones, aldehydes, esters, thioethers, carboxylic acids, carboxylic acid alkali salts, amines, amides, carbamates, nitriles, or thiols or represents an n-valent C ₂ -C ₂₂ hydrocarbon group optionally containing two functional groups;
X is a group of formulas (i)-(vi):

In these formulas, the wavy line indicates the position of the bond between the 2-position carbon and X, the oblique line indicates the position of the bond between X and A, and each R independently represents a hydrogen atom or represents a C ₁ -C ₄ straight or branched hydrocarbon group, provided that the slash is not directly linked to a heteroatom or a carbonyl function of A]
2-(propylthio)octan-4-one, 4-oxooctane-2-yl 4-(benzyloxy)benzoate, 2-(methoxymethoxy)octan-4-one, 2-((2-methoxy Compounds excluding ethoxy)methoxy)octan-4-one, 2-(ethylamino)octan-4-one, and 2-(benzylamino)octan-4-one. A compound according to claim 1, characterized in that X represents a group of formulas (i)-(iv) or (vi). 2. A compound according to claim 1, characterized in that X represents a group of formula (i). A may optionally contain 1-4 ether groups and/or 1 or 2 selected from the group consisting of alcohols, ketones, aldehydes, esters, carboxylic acids, amines, or carbamates A compound according to any one of claims 1 to 3, characterized in that it represents an n-valent C ₂ -C ₁₈ hydrocarbon radical which may optionally contain one functional group . A compound according to any one of claims 1 to 4 , characterized in that n is an integer varying between 1 and 2. 5. A compound according to any one of claims 1 to 4, characterized in that n is 1. The compound is 2-(alkylthio)octan-4-one, 2-(alkylsulfinyl)octan-4-one, 2-(alkylsulfonyl)octan-4-one, or 4-oxooctane-2-ylalkanoate or an alkenoate, characterized in that the size of the alkyl or alkenyl group varies between C ₆ and C ₁₈ . Use of a compound of formula (I) according to any one of claims 1 to 7 as a perfuming ingredient for imparting a lingering strawberry aroma to the environment. The compound of formula ( I ) is octa-2-en-4-one, 2,5-dimethyl-4-hydroxy-2H-furan-3-one, 5-ethyl-4-hydroxy-2-methyl-3 (2H)-furanone, 2,5-dimethyl-4-oxo-4,5-dihydrofuran-3-yl acetate, ethyl 3-methyl-3-phenyloxirane-2-carboxylate, ethyl 3-phenyloxirane-2 -carboxylate, methyl 2-acetamidobenzoate or 3-phenylpropyl 3-methylbutanoate, 2-methyl-4-oxo-4H-pyran-3-ylpropionate, 2-methylpent-2-enoic acid, or (2S,5S)-2-(tert-butyl)-5-methyl-2-propyltetrahydrofuran, characterized in that it is used in combination with at least one component selected from (2S,5S)-2-(tert-butyl)-5-methyl-2-propyltetrahydrofuran, according to claim 8 Use of. 9. A method of imparting, enhancing, improving or modifying the strawberry flavor profile of a perfuming composition or flavored product comprising an effective amount of at least one of any one of claims 1 to 7 . A method comprising adding a compound of formula (I) to said composition or product. i) at least one compound of formula ( I ) according to any one of claims 1 to 7 as perfuming ingredient;
ii) at least one component selected from the group consisting of perfume carriers and perfume bases; and iii) optionally, at least one perfume co-agent;
A perfuming composition containing 12. Perfuming composition according to claim 11 , characterized in that it additionally comprises at least one compound selected from isothiazolones of the formula:

[Wherein, R ¹ and R ² independently and independently represent a hydrogen atom, a halogen atom , a C ₁ to C ₄ linear or branched alkyl group, an amino group, or a benzylamino group; ¹ and R ² together are 1 to 4 C ₁ to C ₄ linear or branched alkyl or alkenyl groups and/or phenyl optionally substituted by 1 to 2 halogen atoms ; representing a ring or a pyridine ring;
R ³ is a hydrogen atom, an alkali metal atom , 1 or 2 halogen atoms and/or a phenyl group optionally substituted with 1 or 2 methyl groups , trifluoromethyl groups , methoxy groups or amino groups, or represents a benzyl group, an amine group, or a C ₁ to C ₈ unsaturated linear, branched or cyclic hydrocarbon group optionally substituted with 1 or 2 nitrogen atoms, oxygen atoms or halogen atoms; ]. 12. Perfuming composition according to claim 11, characterized in that it further comprises at least one compound selected from isothiazolones of the formula:

[In the formula, R ¹ and R ² separately and independently from each other, a hydrogen atom, a chlorine atom, a C ₁ ～C ₄ represents a linear or branched alkyl group, an amino group, or a benzylamino group; or R ¹ and R ² are together to form 1 to 4 C ₁ ～C ₄ represents a linear or branched alkyl or alkenyl group, and/or a phenyl or pyridine ring optionally substituted by 1 to 2 chlorine atoms;
R. ³ is a hydrogen atom, Na or K, 1 or 2 halogen atoms and/or a phenyl group or benzyl group optionally substituted with 1 or 2 methyl groups, trifluoromethyl groups, methoxy groups or amino groups , an amine group, or C optionally substituted with one or two nitrogen atoms, oxygen atoms, or halogen atoms ₁ ～C ₈ represents an unsaturated linear, branched, or cyclic hydrocarbon group]. i) at least one compound of formula ( I ) according to any one of claims 1 to 7 or a perfuming composition according to any one of claims 11 to 13, as perfuming ingredient and ii) a fragrance consumer product base;
A scented consumer product containing 15. The scented consumer product of claim 14 , wherein said scented consumer product is a perfume, fabric care product, body care product, air care product, or home care product. wherein said scented consumer product is a fine perfume, liquid or solid detergent, fabric softener, fabric refresher, ironing water, shampoo, coloring preparation, hairspray, deodorant or antiperspirant, scented soap, 15. A scented consumer according to claim 14 , characterized in that it is a shower or bath mousse, oil or gel, hygiene product, air freshener, "ready to use" powder air freshener, or hard surface cleaner. product. adding at least one compound of formula (I) according to any one of claims 1 to 7 to perfuming compositions or perfumed products and applying them to the corresponding target surfaces; A method of imparting a long-lasting or persistent strawberry scent to a target surface according to. 18. The method of claim 17, wherein the target surface is a hard surface, fabric, skin, or hair.