Cyclohexenone and cyclohexenol compounds are provided having specific fragrances and remanence properties, along with methods for synthesizing these compounds, including obtaining the compound by condensing a ketone on an -methylene-aldehyde in order to obtain, by means of a domino reaction, compounds of formula (II) as follows:

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The various aspects presented herein relate to the perfumery industry. More particularly, the various aspects presented herein relate to malodor counteracting compositions and/or ingredients, methods for counteracting malodors, as well as to the perfumed articles or perfuming compositions comprising as an active ingredient, at least one compound selected from the group consisting of: a compound of Formula (I), a compound of Formula (II), a compound of Formula (III), a compound of Formula (IV), and mixtures thereof.

According to the present invention, there is provided a catalytic complex comprising a metal, one or more ligands and one or more counterions, wherein said one or more ligands include a non-racemic chiral ligand and wherein said one or more counterions include a triflimide counterion. Also provided are methods of making said catalytic complex and processes for producing chiral compounds which involve the use of said catalytic complex. In addition, the present invention provides compounds of the formula (2) as defined herein. The compounds of formula (2) may be useful as ligands in catalytic complexes.

According to the present invention, there is provided a catalytic complex comprising a metal, one or more ligands and one or more counterions, wherein said one or more ligands include a non-racemic chiral ligand and wherein said one or more counterions include a triflimide counterion. Also provided are methods of making said catalytic complex and processes for producing chiral compounds which involve the use of said catalytic complex. In addition, the present invention provides compounds of the formula (2) as defined herein. The compounds of formula (2) may be useful as ligands in catalytic complexes.

This invention relates to 1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives that have buffering function in non-aqueous solutions and to the use thereof for tuning the conditions to control chemical events in non-aqueous solutions. One aspect of the invention is a method for buffering a non-aqueous solution, including adding a buffering molecule to the non-aqueous solution, in which the non-aqueous solution contains an organic solvent, the buffering molecule is a 1,3-cyclohexanedione derivative or a 1,3-cyclopentanedione derivative, and the buffering molecule is optionally conjugated to a solid support.

This invention relates to 1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives that have buffering function in non-aqueous solutions and to the use thereof for tuning the conditions to control chemical events in non-aqueous solutions. One aspect of the invention is a method for buffering a non-aqueous solution, including adding a buffering molecule to the non-aqueous solution, in which the non-aqueous solution contains an organic solvent, the buffering molecule is a 1,3-cyclohexanedione derivative or a 1,3-cyclopentanedione derivative, and the buffering molecule is optionally conjugated to a solid support.