Abstract: The compounds of formula wherein R1 represents a methyl or ethyl group, R2 represents an ethyl group, a linear or branched propyl group, or an isobutyl group and the wavy bond indicates that the carbon number 2 is asymmetric and can adopt a configuration R or S, are useful as perfuming ingredients for the preparation of perfumes, perfuming compositions and perfumed articles. They can be used to impart a very natural fruity note.

Abstract: The present invention relates to methods for preparing &bgr;-ketoester fragrance pro-accords from activated acyl units, 1,3-dioxan-4,6-diones and fragrance raw material alcohols. The first step involves contacting an activated acyl unit, preferably an acid chloride, with a 1,3-dioxan-4,6-dione, an example of which is Meldrum's acid, to form a 2-acyl 1,3-dioxan-4,6-dione which is then reacted with a fragrance raw material alcohol to form the final &bgr;-ketoester fragrance pro-accord. The resulting &bgr;-ketoester fragrance pro-accords are suitable for use in laundry detergent, personal care, and other formulations wherein aesthetic fragrance materials are employed.

Abstract: The use of 4-ethyloctanal as a fragrance chemical, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products is disclosed.

Abstract: Described are synergistic antimicrobial-fragrance compositions including broad spectrum antimicrobial compositions containing salicylaldehyde and at least one organoleptically-compatible antimicrobial synergism cofactor substance. The weight ratio range of salicylaldehyde:synergism cofactors substance is from 1:10 up to 10:1. The cofactor substance is such that the degree of synergism of the resultant mixture is defined according to the IFF Antimicrobial Synergism Test wherein the difference between the actual and expected antimicrobial values of the mixture is greater than or equal to a multiple of (i) 0.05 and (ii) the expected antimicrobial value of the mixture. Cofactor substances include phenolics such as cresol, caravacrol and thymol; ethyl vanillin; benzyl alcohol; indol; &bgr;-orcinol; and terpinenol-4.

Abstract: The present invention describes a fragrance delivery system which releases fragrant aldehydes or ketones and/or fragrant compounds containing an olefin function upon exposure to light. This system comprises &agr;-keto esters of formula in which R′* and R″* have the meaning as defined in the application and which are generally, in case of R′*, an alkyl group carrying an abstractable hydrogen in &ggr;-position relative to the &agr;-keto function and carrying a moiety from which is derived a fragrant compound containing an olefin function, and, in case of R″*, the organic part of a primary or secondary alcohol from R″*OH which is derived a fragrant aldehyde or ketone.

Abstract: A perfume composition contains at least 15% by weight one or more defined aldehydes, and at least 30% by weight of at least one of five defined categories of hydroxylic materials, ketones, ethers, esters and nitriles. The perfume composition exhibits a deodorant effect, is particularly good at reducing sulphurous malodors, and is suitable for use in deodorant products, personal products and laundry treatment products.

Abstract: Odoriferous compounds containing from 70 to 90% by weight of 2-methylene-3-(4-methlycyclohex-3-enyl)-butanal and from 10 to 30% by weight of limonene aldehyde, are described. The fragrance providing capabilities of the compounds are described in methods for their use, and perfumed compositions containing such compounds are also described.

Abstract: The present invention is a trimethylcyclohexane derivative represented by Formula (1): wherein A represents C═O or CH—OH, n represents 2, R1 represents hydrogen or a methyl group, R2 represents a straight or branched, saturated or unsaturated hydrocarbon group having 3 to 10 carbon atoms, and a dotted line represents a saturated or unsaturated carbon-carbon bond, a melanin production inhibitor and a fragrance fixative comprising one or more of the trimethylcyclohexane derivatives, and a dermal formulation comprising one or more of the melanin production inhibitors and/or fragrance fixatives.

Abstract: 2-Alkoxydecahydro-2,3a,4,4,7-pentamethyl-3,7a-methano-7aH-indeno[5,6-b]furans are valuable novel woody fragrances for the preparation of perfume oils.

Abstract: Lower alkyl- and lower alkylidene-substituted, saturated or unsaturated cyclohexadecanones are grand fragrances with muscone note with which perfumes with new odor notes can be prepared.

Abstract: The present invention is directed to the use of insoluble acesulfame in creating fragrances and scents in such items as perfumes, colognes, toilet waters, cleaning products and personal care products.

Abstract: Phenone ketals corresponding to formula (I): where X and Y independently of one another represent methoxy, ethoxy, propoxy or butoxy groups and R1 is a methyl, ethyl or propyl group, R2 is hydrogen or a methyl, ethyl, isopropyl, tert.butyl or methoxy group, R3 is hydrogen or a methoxy group and R4 is hydrogen or a methyl group; their use as a component of perfumes; and perfume compositions containing them.

Abstract: Trans-2,2,6-trimethylcyclohexyl methyl ketone, including (1S,6R)-2,2,6-trimethylcyclohexyl methyl ketone represented by the formula (1a): 1

Abstract: The present invention describes a fragrance delivery system which releases fragrant alcohols upon exposure to light. Said system comprises 2-benzoyl benzoates of general formulae which can comprise various subtituents R1-R5 as defined in the application and a substituted R* which is the organic part of a fragrant alcohol. In a further embodiment, the present invention describes a fragrance delivery system which releases fragrant aldehydes or ketones and/or fragrant compounds containing an olefin function.

Abstract: The present invention provides a fragrance precursor of formula I: 1

Abstract: The present invention relates to perfume composition and a cleaning composition comprising the perfume composition. The perfume composition comprises at least 7.5% by weight of the composition of a first perfume ingredient having boiling point of 250° C. or less and ClogP of 3.0 or less, and at least 35% by weight of the composition of a second perfume ingredient having boiling point of 250° C. or less and ClogP of 3.0 or more. The composition also comprises at least one first or second perfume ingredient is present in an amount of at least 7% by weight of the composition.

Abstract: Disclosed are compounds of formula I having a strong musk-like odor: In formula I, R1 and R2 are hydrogen or methyl, with the proviso that when R1 is methyl, R2 is hydrogen, and when R1is hydrogen, R2 is methyl. The compounds of formula I may be in the Z- and/or in the E-form. Methods of making the compounds of formula I and compositions containing such compounds are also disclosed.

Abstract: The invention provides a chain diene compound with desirable regioselectivity, in the presence of a specific ruthenium compound. This chain diene compound is a promising raw material for terpene. It has a structure represented by the general formula (I): wherein R1 represents H, a C1-C6 alkyl group which may be substituted or a C2-C6 alkenyl group which may be substituted, R2 represents a phenyl group which may have a C1-C4 alkyl group or a C1-C12 acyloxy group which may have a phenyl group or a naphthyl group, or a benzyl group or R2 is a hydroxy group which reversibly forms an aldehyde group through shifting of the position of the double bond adjacent to said hydroxy group. The chain diene compound is produced by reacting 2-substituted-1,3-butadienes with terminal olefins in the presence of a ruthenium compound in a hydrophilic solvent.

Abstract: The use of substituted 5-phenylpentan-1-ols, 5-phenylpentanals, 5-phenylpentanitriles, 5-phenylpentanoic acid and lower alkyl esters thereof and 5-phenylpentanyl esters of C1-C6 aliphatic acids as fragrance materials is disclosed. The subject fragrance materials are, in large measure, novel compounds. The subject materials possess unique fragrance notes and are cost-effective materials.

Abstract: The invention relates to fragrance precursors, In particular, the invention relates to the use of several classes of compounds which may act as fragrance precursors, e,g., in cosmetic products such as deodorants and antiperspirants and in laundry products such as detergents and fabric softners. These compounds are odorless, but upon contacting the skin as example, in skin care compositions or in personal care compositions, produce fragrances. The compounds also produce fragrances when used in the presence of lipases, e.g. as used in (laundry) detergents, thus providing a prolongation of the fabric scenting effect. The compounds under consideration are compounds of the formula I: The substituents are defined in the specification.

Abstract: The present invention relates to flavor or fragrance composition comprising at least one compound of the formula 1 1

Abstract: The present invention describes a fragrance delivery system which releases fragrant aldehydes or ketones and/or fragrant compounds containing an olefin function upon exposure to light.

Abstract: 2,4,4,7-Tetramethyl-oct-6-en-3-one, as a perfume component, imparts new smell facets to perfume compositions. It can be prepared in a good yield by prenylation of 1-chloro-3-methyl-2-butene in a 2-phase process.

Abstract: The carbonates of formula I deliver aldehydes and/or ketones in the presence of skin bacteria, enzymes or acidic or alkaline conditions. One carbonate molecule can provide one or more different compounds.

Abstract: The present invention describes a fragrance delivery system which releases fragrant aldehydes or ketones and/or fragrant compounds containing an olefin function upon exposure to light. This system comprises &agr;-keto esters of formula in which R′* and R″* have the meaning as defined in the application and which are generally, in case of R′*, an alkyl group carrying an abstractable hydrogen in &ggr;-position relative to the &agr;-keto function and carrying a moiety from which is derived a fragrant compound containing an olefin function, and, in case of R″*, the organic part of a primary or secondary alcohol from R″*OH which is derived a fragrant aldehyde or ketone.

Abstract: Novel macrocyclic diene ketone compounds useful as fragrance materials are described having the following general formula (I): where R1, R2, R3 and R4 are each either a hydrogen atom or a C1 to C4 alkyl, a is the integer 1 or 2 and b is an integer in a range from 1 to 6. Novel pathways are described for synthesizing these macrocyclic diene ketones, as well as saturated and mono-unsaturated macrocyclic ketones having the following general formula (IV): where R1, R2, R3 and R4 are each independently a hydrogen atom or a C1 to C4 alkyl, a is the integer 1 or 2 and b is an integer in a range from 1 to 6.

Abstract: A compound of formula ##STR1## wherein X represents a C.dbd.O group or a CH--OH group, in the form of an optically active isomer of formula ##STR2## wherein X has the meaning indicated above and, when X is a CH--OH group, the asymmetric carbon (2) has an R configuration, or in the form of a mixture of isomers, is very useful in the field of perfumery, having an unusual, fruity odor note that can be described as a fresh walnut odor together with a rhum type note.

Abstract: Fragrant silanes having the formula:(R.sup.1 O).sub.a (R.sup.2 O).sub.b (R.sup.3 O).sub.c (R.sup.4).sub.d (R.sup.5).sub.e SiR.sup.6where R.sup.1, R.sup.2 and R.sup.3 are derived from the group of alcohols consisting of R.sup.1 OH, R.sup.2 OH and R.sup.3 OH wherein R.sup.1 OH, R.sup.2 OH and R.sup.3 OH are fragrant alcohols or alternatively R.sup.1, R.sup.2 and R.sup.3 are derived from the group of fragrant esters, ketones, or aldehydes having the structure:R.sup.7 --CH.sub.2 (C.dbd.O)--R.sup.8wherein the fragrant ester, ketone or aldehyde is capable of exhibiting the enol form of the carbonyl moiety under reaction conditions, with R.sup.4 and R.sup.5 selected from the group consisting of monovalent hydrocarbon radical having from one to forty carbon atoms and monovalent alkoxy radicals having from one to forty carbon atoms, R.sup.

Abstract: The present invention relates to a fragrance delivery system which comprises one or more pro-accords, preferably .beta.-ketoester pro-accords, which are capable of releasing mixtures of fragrance raw materials. The pro-accords which comprise the fragrance delivery systems are useful in delivering sustained fragrances to personal care items inter alia deodorants, body lotions or creams, sun tan lotions, shampoos, as well as liquid and granular laundry detergent compositions and hard surface cleaners.

Abstract: A fragrance delivery system which releases fragrant alcohols upon exposure to light. The system comprises 2-benzoyl benzoates of general formulae ##STR1## which can comprise various subtituents R.sub.1 -R.sub.5 as defined in the application and a substituted R* which is the organic part of a fragrant alcohol.

Abstract: The present invention relates to personal care and personal hygiene articles containing a fragrance delivery system which comprises one or more pro-accords, preferably .beta.-ketoester pro-accords, which are capable of releasing mixtures of fragrance raw materials. The pro-accords which comprise the fragrance delivery systems are useful in delivering sustained fragrances to personal care items inter alia deodorants, anti-perspirants, suntan lotions, hair sprays, mousses, shaving creams, body lotions and creams, depilitories, facial masks, athletic rubs and creams.

Abstract: The present invention relates to a fragrance delivery system which comprises one or more .beta.-ketoester pro-fragrances or pro-accords, said fragrance delivery system useful in a stable, preferably clear, aqueous odor-absorbing composition. The odor-absorbing composition can be further characterized in that they comprise solublized, uncomplexed cyclodextrin, and cyclodextrin compatible antimicrobial actives, cyclodextrin compatible surfactants, cyclodextrin compatible humectants, or mixtures thereof. The aqueous odor-absorbing composition are for use on inanimate surfaces, especially fabrics, and more specifically, clothes, in order to restore and/or maintain freshness by reducing malodor without the need for washing or dry cleaning.

Abstract: The present invention relates to perfume and fragrance pro-accords which are suitable for use in personal care and personal hygiene compositions as fragrance delivery systems. The pro-accords of the present invention slowly release fragrance raw materials upon contact with human skin thereby providing a prolonged fragrance benefit. The pro-accords serve as a means for delivering any fragrance raw material as well as other adjunct materials inter alia astringents, carriers, and diluents.

Abstract: The present invention relates to perfume and fragrance pro-accords which are suitable for use in personal care and personal hygiene compositions as fragrance delivery systems. The pro-accords of the present invention slowly release fragrance raw materials upon contact with human skin thereby providing a prolonged fragrance benefit. The pro-accords serve as a means for delivering any fragrance raw material as well as other adjunct materials inter alia astringents, carriers, and diluents.

Abstract: Described are trimethylcyclohexenylcyclopropyl ketones having the structure: ##STR1## wherein one of the dashed lines is a carbon--carbon double bond and the other of the dashed lines is a carbon--carbon single bond, uses thereof in augmenting, enhancing or imparting aromas in or to perfume compositions, colognes and perfumed articles, and mixtures of same with 3-methyl-1-phenylpentanol-5 and/or butanoylcyclohexane derivatives and/or acetic or propionic acid esters of o-methylphenyl isopropanol.

Abstract: Mixtures of ethylene dodecanedioate and ethylene undecanedioate which, because of their particular musk odor note, are products which can replace macrocyclic aromatic musk fragrances in inter alia perfume compositions.

Abstract: The compounds of formula ##STR1## in which R stands for a methyl or ethyl group, are used as perfume ingredients for the preparation of perfuming compositions and perfumed articles, to which they confer aromatic and thujonic notes. The compounds can be used in the form of a mixture of enantiomers or in an enantiomerically pure state. The invention also comprises original processes for the preparation of these compounds.

Abstract: The present invention relates to perfume or fine fragrance compositions inter alia perfumes, colognes, eau de toilettes, and after shave lotions, comprising pro-accord compounds which release their fragrance raw material components on a delayed basis therefore providing sustained fragrance levels to the user. Typically the pro-accords are comprised of orthoesters, ketals, acetals, orthocarbonates which release two or more fragrance raw materials upon hydrolysis. The present invention also relates to an article of manufacture comprising a first pro-accord containing reservoir and a second fragrance raw material reservoir and a means for admixing and applying the perfume material.

Abstract: 7-Propyl-2H,4H-1,5-benzodioxepin-3-one and its use as perfuming ingredient is described. The said compound develops an aldehyde-type fragrance typical of the aliphatic unsaturated aldehydes of current use in products like soaps, shampoos, detergents for textiles or for multiple purposes, but, contrary to these aldehydes, proved to be completely stable, chemically and olfactively, in aggressive media characteristic of these products.

Abstract: 3-Methyl-2-oxo-ethylpentanoate or an isomer thereof are very useful compounds in the field of perfumery, having an unusual, fruity odor note that can be described as a fresh walnut odor together with a rum type note.

Abstract: The present invention relates to perfume or fine fragrance compositions inter alia perfumes, colognes, eau de toilettes, and after shave lotions, comprising pro-accord compounds which release their fragrance raw material components on a delayed basis therefore providing sustained fragrance levels to the user. Typically the pro-accords are comprised of orthoesters, ketals, acetals, orthocarbonates which release two or more fragrance raw materials upon hydrolysis. The present invention also relates to an article of manufacture comprising a first pro-accord containing reservoir and a second fragrance raw material reservoir and a means for admixing and applying the perfume material.

Abstract: The use of natural or synthetic ceramides as agents for thickening a medium, particularly a non-aqueous medium, and a thickened medium containing such a thickening agent The medium thus thickened may be used in the cosmetic, pharmaceutical, paint, varnish, lubricant, combustible, and food industries.

Abstract: Described is a fragrancing composition having fragrancing components that are not activated until, e.g., application to the skin of a human. The composition is alkaline or (if anhydrous) capable of producing an alkaline pH when in contact with water, prior to application, and includes (1) a vehicle such that when the composition is in contact with water, prior to application, the composition is at an alkaline pH; and (2) at least one potential fragrance that is at least one compound having little or no odor in the alkaline composition but which, e.g., is hydrolyzed in a lower pH environment to produce compounds having a relatively strong aroma. Upon application of the alkaline composition to the skin surface, the strong buffering capacity of the skin (the surface of which has a normal pH of 5.5-7.0) neutralizes alkalinity of the composition (lowers pH) so as to restore normal skin surface pH; the potential fragrance is then hydrolyzed at the lower pH to release the compound having relatively strong aroma.

Abstract: A fabric conditioning product which may be used during the rinsing or tumble drying of fabrics after washing, contains a perfume composition which contains specified ketones and salicylates. The perfumes inhibit development of human body malodour on the fabrics when worn and the combination of specified materials makes it possible to avoid inclusion of individual components with powerful, unacceptable odors.

Abstract: Described is the reaction product of linalool with citric acid wherein the reaction is carried out at 100.degree. C. for a period of about two hours in aqueous media. The resulting reaction product contains alpha terpineol having the structure: ##STR1## The reaction product of our invention may be used to augment, enhance or impart aromas and tastes to consumable materials including perfume compositions, colognes, perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, hair preparations and the like as well as foodstuffs and chewing gums.

Abstract: The present invention relates to a perfume composition comprising a methyl branched aliphatic compound and the methyl branched aliphatic compound useful as perfume material and a method for imparting a fragrance by using such compounds and compositions.

Abstract: Described are 2,2,3-trimethylcyclopentenyl acetone derivatives defined according to one or a mixture of compounds having the structures: ##STR1## organoleptic uses thereof, processes for preparing same using as a starting material the compound having the structure: ##STR2## which is reacted to form the compound having the structure: ##STR3## which is further reacted to form the novel intermediate: ##STR4## which is then converted to the 2,2,3-trimethylcyclopentenyl acetone derivatives or our invention using the allylic alcohol having the structure: ##STR5## wherein R.sub.3, R.sub.4, and R.sub.5 are the same or different hydrogen or methyl; R.sub.6 represents hydrogen, methyl, ethyl, or propyl or isopropyl; x is 0, 1 or 2; R.sub.7 is methyl or ethyl; R.sub.7 ' and R.sub.7 " represent methyl or ethyl or R.sub.7 ', (CH.sub.2).sub.x and R.sub.7 " taken together represents C.sub.2 -C.sub.6 alkylene; M represents Li, Mg, X or MgX; and X represents chloro or bromo.

Abstract: The present invention relates to novel substituted cyclohexanol compounds possessing a sandalwood aroma which are useful as fragrance materials. The invention also provides methods for synthesis thereof through a novel aldehyde intermediate. The compounds of the invention have the formula: ##STR1## and wherein R.sub.1 is methyl or ethyl, R.sub.2 -R.sub.7 are independently hydrogen or methyl with the proviso that a maximum of two of the substituents R.sub.2 -R.sub.7 are methyl, and R.sub.8 is hydrogen, lower alkyl (C.sub.1 or C.sub.5) or acyl. The invention also provides fragrance compositions which utilize the compounds of the invention to impart a sandalwood aroma to perfume compositions, colognes and perfumed articles.

Abstract: Described are 3,7-dimethyl-6,7-dioxo-1,3-octadienes or mixtures of same defined according to the structure: ##STR1## wherein R is hydrogen or ethyl and X is one of the moieties: ##STR2## and wherein the wavy lines represent a "E" or "Z" configuration of the methyl and vinyl moiety about the 3,4-pi-bond of the molecule, as well as methods for methods for augmenting or enhancing the aroma of consumable materials including perfumes, colognes and perfumed articles by adding thereto an aroma augmenting or enhancing quantity of at least one of said 3,7-dimethyl-6,7-dioxo-1,3-octadienes.

Abstract: A reformed vetiverol comprising 40% by weight or more of khusimol and 10% by weight or less of isovalencenol is disclosed. The vetiverol, containing a small amount of isovalencenol and a large amount of khusimol imparts a milder and more elegant odor than conventional vetiver oils or vetiverols. The reformed vetiverol can be prepared by a process comprising: esterifying alcohol components in a vetiver oil or a vetiverol, heating the esterified vetiver oil or a vetiverol to thermally decompose isovalencenol esters, hydrolyzing the remaining esters into alcohols, and separating the formed alcohols.