Abstract: Described herein are methods for making intermediates useful in the production of fragrances. In particular, a photooxidation method is disclosed wherein the photooxidation takes place in the present of molecular oxygen and an aromatic solvent comprising a sensitizer.

Abstract: A method for increasing the proportion of an enantiomer of undecavertol in an enantiomeric mixture of undecavertol, a method for stereoselectively synthesising undecavertol, and the products thereof.

Abstract: Described herein are methods for making intermediates in the production of fragrance ingredients starting from ?-farnesene. In particular, methods for making acetylmethylfarnesol and hydroxy-farnesylacetone are described. Methods for making other intermediates in the process are also described. In addition, compositions comprising intermediates in the process and uses of the intermediates are described.

Abstract: The present invention refers to alkoxybenzaldehyde derivatives and precursors thereof. The invention further refers to perfume compositions and fragranced article comprising them.

Abstract: Disclosed are TRPM8 modulators for achieving a cooling effect on skin and mucousa.

Abstract: The present invention relates to compounds of formula (I) as herein defined, capable of releasing fragrant compounds in a controlled manner into the surroundings. The present invention is also concerned with a process for their production, and consumer products comprising them.

Abstract: The present invention relates to compounds of formula (I) as herein defined, capable of releasing fragrant compounds in a controlled manner into the surroundings. The present invention is also concerned with a process for their production, and consumer products comprising them.

Abstract: The present invention refers to alkoxybenzaldehyde derivatives and precursors thereof. The invention further refers to perfume compositions and fragranced article comprising them.

Abstract: A method for increasing the proportion of an enantiomer of undecavertol in an enantiomeric mixture of undecavertol, a method for stereoselectively synthesising undecavertol, and the products thereof.

Abstract: The present invention refers to substituted cyclopentyl- and cyclohexyl-derivatives of formula (I) wherein n, R1, R2, R3, R4 and X have the same meaning as given in the description. The invention further refers to fragrance compositions and fragranced articles comprising them.

Abstract: A compound represented by the formula 1 wherein R1 is H, or when R2 and R3 is H, then R1 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; R2 is H, or when R1 and R3 is H, then R2 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; R3 is H, or when R1 and R2 is H, then R3 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; and R4 is methyl or a branched or linear, saturated or unsaturated, unsubstituted or substituted (optionally with cyclopropyl groups), C2-C7 alkyl or alkenyl residue, preferentially isobutyl, isoamyl. Said compounds are useful as perfume ingredients in personal care and household care products.

Abstract: A fragrance precursor of (E/Z)-9-hydroxy-5,9-dimethyldec-4-enal, comprising at least an enamine and/or an aminal as reaction product of (E/Z)-9-hydroxy-5,9-dimethyldec-4-enal (compound according to formula (I)) and a primary and/or secondary amine useful as a perfume ingredient.

Abstract: The present invention refers to substituted cyclopentyl- and cyclohexyl-derivatives of formula (I) wherein n, R1, R2, R3, R4 and X have the same meaning as given in the description. The invention further refers to fragrance compositions and fragranced articles comprising them.

Abstract: A fragrance precursor represented by the formula 1 wherein X and Y together represent a double bond to a carbon atom bearing R1 and R2, with R1?H, methyl, acetyl or C1-C3 alkoxycarbonyl (e.g. ethoxycarbonyl); and R2=phenyl optionally substituted with up to 3 (i.e. 0, 1, 2 or 3) groups selected from C1-C4 alkyl (e.g. methyl, ethyl, iso-propyl, tert-butyl), vinyl, hydroxy, C1-C3 alkoxy (e.g. ethoxy), and —O—CH2—O—, e.g. R2 is benzo[d][1,3]dioxol-5-yl, 4-methylphenyl, 4-methoxyphenyl, 4-vinylphenyl or 3-ethoxy-4-hydroxyphenyl or R2=naphthyl, (naphthyl)methyl, 1,1,2,4,4,8-hexamethyl-1,2,3,4-tetrahydronaphthalen-7-yl, or 1,1,2,4,4,-pentamethyl-1,2,3,4-tetrahydronaphthalen-7-yl or R2=COR3, wherein R3 is H, C1-C10 alkoxy (e.g. ethoxy, 1-(3,3-dimethylcyclohexyl)ethoxy), C1-C4 alkyl (e.g. methyl, ethyl, propyl, iso-propyl, tert-butyl), e.g.

Abstract: A fragrance precursor of 3-(4-isobutyl-2-methyl phenyl)propanal, comprising at least an enamine and/or an aminal as reaction product of 3-(4-isobutyl-2-methylphenyl)propanal (compound according to formula (I)) and a primary and/or secondary amine useful as a perfume ingredient.

Abstract: A fragrance precursor of (E/Z)-9-hydroxy-5,9-dimethyldec-4-enal, comprising at least an enamine and/or an aminal as reaction product of (E/Z)-9-hydroxy-5,9-dimethyldec-4-enal (compound according to formula (I)) and a primary and/or secondary amine useful as a perfume ingredient.

Abstract: A fragrance precursor represented by the formula 1 wherein X and Y together represent a double bond to a carbon atom bearing R1 and R2, with R1?H, methyl, acetyl or C1—C3 alkoxycarbonyl (e.g. ethoxycarbonyl); and R2=phenyl optionally substituted with up to 3 (i.e. 0, 1, 2 or 3) groups selected from C1—C4 alkyl (e.g. methyl, ethyl, iso-propyl, tert-butyl), vinyl, hydroxy, C1—C3 alkoxy (e.g. ethoxy), and —O—CH2—O—, e.g. R2 is benzo[d][1,3]dioxol-5-yl, 4-methylphenyl, 4-methoxyphenyl, 4-vinylphenyl or 3-ethoxy-4-hydroxyphenyl or R2=naphthyl, (naphthyl) methyl, 1,1,2,4,4,8-hexamethyl-1,2,3,4-tetrahydronaphthalen-7-yl, or 1,1,2,4,4,-penta methyl-1,2,3,4-tetrahydronaphthalen-7-yl or R2=COR3, wherein R3 is H, C1-C10 alkoxy (e.g. ethoxy, 1-(3,3-dimethylcyclohexyl)ethoxy), C1-C4 alkyl (e.g. methyl, ethyl, propyl, iso-propyl, tert-butyl), e.g.

Abstract: A compound represented by the formula 1 wherein R1 is H, or when R2 and R3 is H, then R1 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; R2 is H, or when R1 and R3 is H, then R2 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; R3 is H, or when R1 and R2 is H, then R3 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; and R4 is methyl or a branched or linear, saturated or unsaturated, unsubstituted or substituted (optionally with cyclopropyl groups), C2-C7 alkyl or alkenyl residue, preferentially isobutyl, isoamyl. Said compounds are useful as perfume ingredients in personal care and household care products.

Abstract: A fragrance precursor of 3-(4-isobutyl-2-methyl phenyl)propanal, comprising at least an enamine and/or an aminal as reaction product of 3-(4-isobutyl-2-methylphenyl)propanal (compound according to formula (I)) and a primary and/or secondary amine useful as a perfume ingredient.

Abstract: A compound represented by the formula 1 wherein R1 is H, or when R2 and R3 is H, then R1 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; R2 is H, or when R1 and R3 is H, then R2 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; R3 is H, or when R1 and R2 is H, then R3 is CHR5CHR6CHO, CR5?CR6CHO or C(CH3)CHO, wherein R5, R6 each independently may represent H or methyl; and R4 is methyl or a branched or linear, saturated or unsaturated, unsubstituted or substituted (optionally with cyclopropyl groups), C2-C7 alkyl or alkenyl residue, preferentially isobutyl, isoamyl. Said compounds are useful as perfume ingredients in personal care and household care products.