Abstract: The present invention refers to the use as flavor or fragrance of a compound of formula (I) wherein R4 is hydrogen and the bond between C-3 and C-4 is a single bond or the dotted line together with the bond between C-3 and C-4 represents a double bond; or R4 is methylene, forming with C-3 and C-4 a cyclopropane ring; R3 is hydrogen, C1, C2, C3, C4, C5, C6 alkyl, or C2, C3, C4, C5, C6 alkenyl; and I) R1 and R2 together with the carbon atom to which they are attached form a carbonyl group; or II) R1 is hydroxyl and R2 is selected from C1, C2, C3 alkyl, and C2, C3, C4 alkenyl.

Abstract: The present invention refers to the use as flavour or fragrance of a compound of formula (I) wherein R4 is hydrogen and the bond between C-3 and C-4 is a single bond or the dotted line together with the bond between C-3 and C-4 represents a double bond; or R4 is methylene, forming with C-3 and C-4 a cyclopropane ring; R3 is hydrogen, C1, C2, C3, C4, C5, C6 alkyl, or C2, C3, C4, C5, C6 alkenyl; and I) R1 and R2 together with the carbon atom to which they are attached form a carbonyl group; or II) R1 is hydroxyl and R2 is selected from C1, C2, C3 alkyl, and C2, C3, C4 alkenyl.

Abstract: The present invention refers to compound of formula (I) wherein R1 is methyl, ethyl or vinyl; the bond between C-3? and C-4? is a single bond or the dotted line together with the bond between C-3? and C-4? represents a double bond; and the side chain —CR1OH is at position 1? or 4? of the ring. The invention furthermore refers to their preparation and to fragrance applications comprising them.

Abstract: A method for the production of campholytic aldehyde starting from campholenic aldehyde in the presence of a copper catalyst and a solvent.

Abstract: A method for the production of campholytic aldehyde starting from campholenic aldehyde in the presence of a copper catalyst and a solvent.

Abstract: The present invention refers to compounds of formula I as precursors for a ketone of formula II, an aldehyde or ketone of formula III, and an aldehyde or ketone of formula IV, These compounds are useful in perfumery, especially in the fine and functional perfumery.

Abstract: Ester compounds of the formula I-a wherein R1 is selected from OH, NH2 and NH3+X?, wherein X is an inorganic anion, wherein R2 is a singly-branched saturated or unsaturated aliphatic hydrocarbon moiety selected from C7-C15, wherein R5 is selected from H, and a linear saturated or unsaturated aliphatic hydrocarbon moiety selected from C6-C14, and wherein R2 and R5 together have a total of 7 to 15 carbon atoms; that are useful as antibacterial or antifungal compounds in consumer products.

Abstract: A flavor or fragrance composition containing 3-hydroxy-4-methylalkanoic acids, 4-methylalk-3-enoic acids and/or their esters of formula (I) wherein R1, R2 and R3 have the same meaning as given in the description is disclosed.

Abstract: Ester compounds of the formula I-a wherein R1 is selected from OH, NH2 and NH3+X?, wherein X is an inorganic anion, wherein R2 is a singly-branched saturated or unsaturated aliphatic hydrocarbon moiety selected from C7-C15, wherein R5 is selected from H, and a linear saturated or unsaturated aliphatic hydrocarbon moiety selected from C6-C14, and wherein R2 and R5 together have a total of 7 to 15 carbon atoms; that are useful as antibacterial or antifungal compounds in consumer products.

Abstract: Acid compounds of formula I wherein Y is selected from O and NH, wherein X is selected from CO and CH2, and wherein R2 is a branched saturated or unsaturated hydrocarbon moiety selected from C7-C15, that are useful as antibacterial or antifungal compounds in consumer products.

Abstract: The present invention provides a fragrance precursor of formula I: that is capable of forming a fragrant ketone of formula II: and a fragrant lactone of formula III:

Abstract: The present invention refers to compounds of formula I 1

Abstract: The present invention is a fragrance precursor of formula I: for a fragrant ketone of formula II: and a fragrant ester of formula III: wherein, R1 to R5 represent independently H, —NO2, linear or branched C1-C6-alkyl, C1-C6-alkenyl, C1-C6-alkinyl or C1-C4-alkoxy, R1 and R2,R2 and R3, R3 and R4, and R4 and R5 may form together one or two aliphatic or aromatic rings, R6 and R7 are independently H, linear or branched C1-C6-alkyl-, C1-C6-alkenyl, C1-C6-alkinyl, and R8 and R9 are the residues of an acid R8-COOH and an alcohol R9OH respectively forming the fragrant ester of formula III. A method for providing an odor by admixing with a product a fragrance precursor as detailed above.

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

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