Abstract: Among the compounds represented by the general formula (1), (in the formula, n is an integer of 7 to 13) in particular, 11-methyl-13-tridecanolide of which n=8, 12-methyl-14-tetradecanolide of which n=9, and 13-methyl-15-pentadecanolide of which n=10 are novel compounds which have not been reported in prior art and the evaluation of the compounds for fragrance characteristics revealed that the compounds are macrocyclic lactone musks having not only strong fragrance of musk excellent in persistency but also fragrance characteristics like nitro musks. Furthermore, in the present invention, by containing at least one of those novel compounds, perfume compositions or perfume products having distinctive fragrance characteristics are obtained. The invention also provides a novel process for the production of compounds represented by the general formula (1).

Abstract: Cyclic ethers or chloroketones useful as fragrance components or intermediates are made by reacting a saturated, tertiary terpene alcohol with hypochloric acid under conditions effective to promote oxidation. trans-Pinanol gives predominantly 6,9-dimethyl-7-oxatricyclo[4.3.0.03,9]-nonane, while cis-pinanol yields almost exclusively 1-acetyl-3-(2-chloroethyl)-2,2-dimethylcyclobutane, a new and versatile intermediate for making cyclobutane derivatives having interesting and diverse aromas.

Abstract: The use of 2,4?-dimethylpropiophenone as a fragrance substance is described, preferably as a fragrance substance for imparting, modifying and/or reinforcing one, two, three or all the odor notes floral, rosy, rose oxide-like and herbal-like, preferably both of the odor notes rose oxide-like and herbal-like.

Abstract: 3-Methylbenzyl isobutyrate is described, as is the use thereof as an odoriferous substance, in particular for imparting a green fruity head note to an odoriferous substance mixture.

Abstract: A valerolactone compound represented by the formula (I): wherein each of R1 and R2 is independently a hydrogen atom, a methyl group or an ethyl group wherein when R1 is a hydrogen atom, R2 is not a hydrogen atom; and wherein when R2 is a hydrogen atom, R1 is not a hydrogen atom, R3 is a hydrogen atom or a methyl group, and R4 is a propyl group, a 1-propenyl group or a phenyl group; a valerolactone compound represented by the formula (II): a process for preparing the same; and a perfume composition comprising the above-mentioned valerolactone compound.

Abstract: Improved citral and citronellal derivatives, and fragrance and flavorings including the derivatives, that have a longer useful shelf life than citral and citronellal and/or fragrances and flavoring including citral and citronellal, are disclosed. In particular, the derivatives maintain the fragrance characteristics of citral and citronellal, while lowering the allergic properties, and lemony flavors and fragrances with a longer shelf-life than citral and citronellal, are disclosed. Also discovered are methods of making the derivatives, and articles of manufacture including the derivatives. The derivatives replace the aldehyde group in citral or citronellal with a hydroxy group. In one embodiment, the derivatives also replaced one or more double bonds in citral or the double bond in citronellal with a cyclopropyl group, which can be unsubstituted, or substituted with one or two alkyl, preferably methyl, groups, or with an oxirane or thiirane ring or combinations thereof.

Abstract: The invention relates to the ether lactone of formula (I) which is characterized by interesting and original odor characteristics, which diffuses extremely well and is suitable for use as a fragrance, for example in cosmetic preparations, technical products or in alcoholic perfumery.

Abstract: The present application relates to perfume systems and consumer products comprising new perfumes and/or such perfume systems, as well as processes for making and using such perfume systems and consumer products.

Abstract: A compound of formula (I): wherein each R independently represents H, methanol or ethanol, and Z represents O or S.

Abstract: The compounds 6-oxabicylco[3.2.1]octane, 5-methyl-1-(1,2,2-trimethylbicyclo [3.1.0]hex-3-yl)- and 2-oxabicyclo[2,2,2]octane, 1-methyl-4-(1,2,2-trimethylbicyclo [3,1,0]hex-3yl)-, and their uses in fragrance applications.

Abstract: An eau de Cologne composition that comprises a water-soluble polyurethane and a low molecular weight water-soluble saccharide. Preferably the polyurethane is Polyurethane-1 and the saccharide sucralose. A dried film of the composition on the skin releases a burst of fragrance when wetted, for example by licking or kissing, and in addition tastes pleasant and does not become sticky.

Abstract: A compound of formula (I): wherein R1 and R2 represent, independently, linear or branched C1-4 alkyl, n=0 to 4 and m=0 to 3. Mixtures of these compounds, methods for their preparation, their use as perfume materials for application to a variety of substrates and their use in flavouring and in articles of manufacture is also provided.

Abstract: A perfume composition comprises: e) at least about 25% by weight in total of at least five selected relaxing fragrance materials (R); f) optionally up to about 45% by weight in total of non-relaxing fragrance materials (NR), provided that the ratio by weight of R to NR is at least 0.75; g) optionally up to about 75% by weight in total of neutral fragrance materials (N); h) optionally up to about 25% by weight of other fragrance materials (M) provided that the weight ratio R to (M+NR) at least 0.75; and wherein all percentages are based on total weight of the fragrance materials consisting the perfume composition.

Abstract: The compound 2-oxabicyclo[2,2,2]octane, 1-methyl-4-(1,2,2-trimethylbicyclo[3,1,0]hex-3-yl)— and its uses in fragrance applications.

Abstract: The use of novel methanoazulenofuran and methanoazulenone compounds for use as fragrance chemicals, suitable for use incorporated in a wide variety of products such as perfumes, colognes and personal care products having a structure wherein R is ?O, X is selected from the group consisting of H, CH3, C2H5, and CH2CH?CH2; or wherein R forms a fused ring with the ring carbon at the X position, X is absent; and Y and Z are selected from the group consisting of H and CH3.

Abstract: The use of a mixture which comprises cis- and trans-3-methyl-?-decalactone in a molar ratio in the range of 2:3 to 3:2, as a jasmone fragrance is described.

Abstract: The compounds 6-oxabicylco[3.2.1]octane, 5-methyl-1-(1,2,2-trimethylbicyclo[3.1.0]hex-3-yl)- and 2-oxabicyclo[2,2,2]octane, 1-methyl-4-(1,2,2-trimethylbicyclo[3,1,0]hex-3yl)-, and their uses in fragrance applications.

Abstract: Pyran derivatives of general formula (I) wherein Y is a 5-, 6- or 7-membered ring, preferably a 5-membered ring, methyl or ethyl mono- or polysubstituted, and optionally unsaturated, and R1, R2, R3, R4 are, each independently, a hydrogen atom or a linear or branched C1-5 alkyl or C2-5 alkenyl group, and X is present or absent; when X is present, R5, R6, R7, R8, R9 are all present, and X is a hydrogen atom or an OZ group, wherein Z is a hydrogen atom or a R10 group or a C(O)R10 group; when X is absent, a double bond involving the carbon atom at the 4 position is present and R7, R8 and R9 are present, and one of R5 or R6 is present and the other one is absent, or R5, R6, and R7 are present, and one of R8 or R9 is present and the other one is absent, or R7 is a ?C(R11)(R12) group and R5, R6, R8, R9 are present; and when they are present, each of R5-R12 group is, independently, a hydrogen atom or a linear or branched C1-5 alkyl or C2-5 alkenyl group; and use of at least one pyran derivative of formula (I)

Abstract: The invention relates to a gamma-undecenolactone of formula (I), wherein a lactonic cycle can carry an unsaturation between carbon No2 and carbon No3 and is preferably saturated, RI is a possibly substituted C7 alkenyl or alkynyl group comprising at least one unsaturation, and preferably RI is an CH2?CH—CH2—CH2—CH2—CH2—CH2 group, said gamma-undecenolactone contains an asymmetric carbon in position 4 having (R) or (S) configuration. The biosynthesis of said gamma-undecenolactone and the use thereon for perfumery and for a food flavouring agent are also disclosed.

Abstract: The present invention concerns a compound or mixtures of compounds of formula wherein R represents a linear, branched or cyclic C1-3 hydrocarbon group, and the wavy line indicates that the substituents on the epoxide moiety may have a cis or trans configuration. One or more of these compounds can be used as perfuming ingredients.

Abstract: The compound according to the formula set forth below and the use of the compound in creating fragrances, and scents in items such as perfumes, colognes and personal care products is disclosed.

Abstract: The present invention describes the process for the preparation of novel sesquiterpene oxide 3S,3aR,7aR,-6 isopropyl-1,1,3,3a-tetramethyl 1,3,3a,4,7,7a-hexahydro-isobenzofuran, of formula (I) by the reaction of elemol with per acid at a temperature range of 20 to 30° C.

Abstract: The use of various novel oxime ethers are described as fragrance chemicals. These chemicals are suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products is disclosed.

Abstract: The use of various oxime ethers are described as fragrance chemicals, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products is disclosed. Novel compounds are also disclosed.

Abstract: The invention relates to a process for the preparation of 15-pentadecanolide by hydrogenating 15-pentadecenolide and to its use.

Abstract: The present invention relates to the perfume and flavor industry. It concerns more particularly the use as perfuming or flavoring ingredient of 6-methyl-7-oxa-1-thia-4-azaspiro[4.4]nonane, of formula The invention also relates to the perfumed or flavored consumer products or perfuming or flavoring compositions containing as active ingredient a compound of formula (I).

Abstract: The present invention relates to fragrance raw materials having a tertiary alpha carbon atom, to fragrance delivery systems which comprise said tertiary alpha carbon atom fragrance raw materials, and pro-fragrances which are capable of delivering said tertiary alpha carbon atom fragrance raw material and thereby providing an enhanced and sustained aesthetic fragrance benefit. The compounds and systems of the present invention are suitable for use in fine fragrances, perfumes, and other personal care compositions.

Abstract: The use of various oxime ethers are described as fragrance chemicals, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products is disclosed. Novel compounds are also disclosed.

Abstract: The use of various novel oxime ethers are described as fragrance chemicals. These chemicals are suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products is disclosed.

Abstract: The compound according to the formula set forth below where A is B is or A and B together form the ring structure and X, R′ and R are independently H and CH3 and m=0 or 1. and the use of the compound in creating fragrances, and scents in items such as perfumes, colognes and personal care products is disclosed.

Abstract: The invention discloses a method for the production of a macrocyclic lactone represented by a formula (2), which comprises subjecting a hydroxycarboxylic acid ester represented by a formula (1) to intramolecular esterification reaction. In the formulae (1) and (2), m is an integer of from 5 to 10, n is an integer wherein m+n becomes from 11 to 16, X represents —CH2—, —CH═CH—, —O—, —S— or —NH—, and R represents a hydrocarbon group having from (m+n+2) to 40 carbon atoms or a group represented by —(AO)pR1 wherein AO represents an alkyleneoxy group having from 2 to 4 carbon atoms, p is average addition mole number of alkylene oxide and R1 represents a hydrocarbon group having a specified number of carbon atoms so that the total number of carbon atoms of the —(AO)pR1 group becomes from (m+n+2) to 40.

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: The present invention is directed to the use of an olfactory acceptable amount comprising tetrahydro-4-methylene-2-(4-methoxyphenyl)-2H-pyran, 5,6-dihydro-4-methyl-2-(4-methoxyphenyl)-2H-pyran, 3,6-dihydro-4-methyl-2-(4-methoxyphenyl)-2H-pyran and mixtures of these materials which are useful in creating fragrances, and scents in items such as perfumes, colognes and personal care products.

Abstract: A method of reducing or preventing body malodour by topically applying to human skin perfume components capable of inhibiting the producation of odoriferous steroids by microorganisms on the skin. The perfume components are capable of inhibiting bacterial 4-ene reductase and/or 5&agr;-reductase.

Abstract: The present invention relates to novel heterocyclic pro-fragrances, preferably oxazolidines, tertahydro-1,3-oxazines, thiazolidines, or tetrahydro-1,3-thiazines, more preferably oxazolidines, or tertahydro-1,3-oxazines, most preferably oxazolidines, which are capable of sustained release of fragrance raw material ketones and aldehydes and to fragrance delivery systems which comprise said pro-fragrances.

Abstract: A deodorant composition, which comprises a pyrone compound given by formula: 1

Abstract: Lewis acid-catalyzed reaction of an alkene, including cycloalkenes, with an epoxide to provide an aldehyde which may be reduced to the corresponding alcohol. The reaction products may be used to provide perfumes or perfume products.

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: The present invention concerns the food, cosmetic and pharmaceutical compositions including a compound of general formula: 1

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: Described are optical isomers of (+) &dgr;-decalactone and (+) &dgr;-dodecalactone which impart, augment and/or enhance the aroma and/or taste of consumable materials including foodstuffs, chewing gums, toothpastes, beverages, fragrance compositions, colognes and perfumed articles such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners and hair preparations. The optical isomers are produced by means of a two-phase, environmentally friendly fermentation process for producing high yields of (+) &dgr;-decalactone and (+) &dgr;-dodecalactone from the corresponding unsaturated starting materials. The (+) &dgr;-decalactone substantially has the structure: with a very minor amount of isomer having the structure: and an optical rotation of +53.64° ((&agr;D20=+53·64° ) ). The (+) &dgr;-decalactone, which is the subject of the invention, has an enantiomeric excess percent of 95.

Abstract: The invention is concerned with odorant compositions which contain macrocycles, namely 15- to 17-membered compounds of the formula: wherein the dotted line signifies an optional additional bond, X and Y stand for methylene or C2-12-polymethylene, optionally substituted with an additional methyl group, and A signifies hydrogen or methyl in the case of the unsaturated compounds and methyl in the case of the saturated compounds, with the proviso that the unsaturated compounds are present to more than 80% in the cis form when A signifies hydrogen and are present to more than 50% in the cis form when A signifies methyl, with the exception of Z-oxacyclopentadec-6-en-2-one (15-membered ring), Z-oxacycloheptadec-8-en-2-one (17-membered ring), and Z-oxacycloheptadec-11-en-2-one (17-membered ring), a process for the manufacture of the compounds of formula I and the use of the compounds of formula I as odorants.

Abstract: Manufacture of a molecule which is of important olfactory interest for perfumers. This molecule belongs to the group of macrocyclic lactones with a musk odor. The manufacturing process consists in preparing cis-16-hydroxy-9-hexadecenoic acid or an ester of this acid, which is a precursor of cis-isoambrettolide, the latter being obtained by macrolactonization in a very high degree of purity. Use as a fragrance material.

Abstract: A two phase environmentally friendly fermentation process for producing high yields of &dgr;-decalactone and &dgr;-dodecalactone from the corresponding unsaturated starting materials is carried out under oxidative growth conditions using a saccharomyces species. The resulting products impart, augment and/or enhance the aroma and/or taste of consumable materials including foodstuffs, chewing gums, toothpastes, beverages, fragrance compositions, colognes and perfumed articles such as solid or liquid, anionic, cationic, non-ionic or zwitterionic detergents, fabric softeners, and hair preparations.

Abstract: A two phase environmentally friendly fermentation process for producing high yields of .delta.-decalactone and .delta.-dodecalactone from the corresponding unsaturated starting materials is carried out under oxidative growth conditions using a Saccharomyces species. The resulting products impart, augment and/or enhance the aroma and/or taste of consumable materials including foodstuffs, chewing gums, toothpastes, beverages, fragrance compositions, colognes and perfumed articles such as solid or liquid, anionic, cationic, non-ionic or zwitterionic detergents, fabric softeners, and hair preparations.

Abstract: A process for producing high yields of .gamma.-hexalactone and 2-pentanone from the corresponding hexanoic acid starting material is carried out with high amounts of oxygen and sugar in the presence of a mold microorganism. Fragrance compositions and foodstuff compositions are augmented and enhanced by the presence of the product compounds.

Abstract: The invention is related to novel thiamacrolides, especially musk odorants, having extremely low threshold values, their use in functional perfumery such as fine perfumery, as well as to the preparation of thiamacrolide compounds.

Abstract: A perfume composition which contains a (4R)-cis-4-methyl-2-substituted-tetrahydro-2H-pyran derivative represented by formula (I): ##STR1## wherein ---- represents a single or double bond, and a method for improving fragrance by using this perfume composition.

Abstract: Perfuming ingredients which include at least one macrolide of formula ##STR1## having a double bond in one of the positions indicated by the dotted lines and wherein the symbol R represents a hydrogen atom or a methyl radical, are described. They are useful for the preparation of perfumes and perfumed consumer products to which they impart musky odors with original nuances.