C07C35/08

SYNTHESIS AND USE OF 2-ETHYL-5,5-DIMETHYL-CYCLOHEXANOL AS FRAGRANCE AND FLAVOR MATERIAL
20210395639 · 2021-12-23 ·

The present invention relates to the compound 2-ethyl-5,5-dimethyl-cyclohexanol, which can impart, modify and/or enhance one or more odours selected from the group consisting of minty, fresh tobacco leaf, cresol, horse and animalistic, mixtures comprising 2-ethyl-5,5-dimethyl-cyclohexanol, and a new method for producing the same, a fragrance composition comprising 2-ethyl-5,5-dimethyl-cyclohexanol, the use of 2-ethyl-5,5-dimethyl-cyclohexanol as a fragrance, particularly for imparting, modifying and/or enhancing one or more odours selected from the group consisting of minty, fresh tobacco leaf, cresol, horse and animalistic, a perfumed product comprising 2-ethyl-5,5-dimethyl-cyclohexanol, a method for perfuming such a product and a method for modifying an olfactory impression.

SYNTHESIS AND USE OF 2-ETHYL-5,5-DIMETHYL-CYCLOHEXANOL AS FRAGRANCE AND FLAVOR MATERIAL
20210395639 · 2021-12-23 ·

The present invention relates to the compound 2-ethyl-5,5-dimethyl-cyclohexanol, which can impart, modify and/or enhance one or more odours selected from the group consisting of minty, fresh tobacco leaf, cresol, horse and animalistic, mixtures comprising 2-ethyl-5,5-dimethyl-cyclohexanol, and a new method for producing the same, a fragrance composition comprising 2-ethyl-5,5-dimethyl-cyclohexanol, the use of 2-ethyl-5,5-dimethyl-cyclohexanol as a fragrance, particularly for imparting, modifying and/or enhancing one or more odours selected from the group consisting of minty, fresh tobacco leaf, cresol, horse and animalistic, a perfumed product comprising 2-ethyl-5,5-dimethyl-cyclohexanol, a method for perfuming such a product and a method for modifying an olfactory impression.

FRAGRANCE AND FLAVOR MATERIALS FROM 1-(2-HYDROXY-4-METHYLCYCLOHEXYL)-ETHANONE

The present disclosure is directed to 1-(2-hydroxy-4-methycyclohexyl)-ethanone derivatives having unique and desired flavor and/or fragrance characteristics, as well as the synthesis and application of the derivatives. The compounds of the present disclosure can be employed alone or incorporated as fragrance or flavor ingredients to modify or enhance already existing fragrance compositions, solvents, media, and the like.

CALCIUM SALTS-SUPPORTED METAL CATALYST, METHOD FOR PREPARING THE SAME, AND METHOD FOR HYDRODEOXYGENATION REACTION OF OXYGENATES USING THE SAME

Disclosed herein are a calcium salts-supported metal catalyst, a method for preparing the same, and a method for the hydrodeoxygenation reaction of oxygenates using the same. The catalyst, in which a metal catalyst is supported on a carrier of a calcium salt, for example, calcium carbonate, has the effect of increasing the efficiency of hydrodeoxygenation reaction of oxygenates.

CALCIUM SALTS-SUPPORTED METAL CATALYST, METHOD FOR PREPARING THE SAME, AND METHOD FOR HYDRODEOXYGENATION REACTION OF OXYGENATES USING THE SAME

Disclosed herein are a calcium salts-supported metal catalyst, a method for preparing the same, and a method for the hydrodeoxygenation reaction of oxygenates using the same. The catalyst, in which a metal catalyst is supported on a carrier of a calcium salt, for example, calcium carbonate, has the effect of increasing the efficiency of hydrodeoxygenation reaction of oxygenates.

DICARBONYL RUTHENIUM AND OSMIUM CATALYSTS

The disclosure relates to dicarbonyl complexes of ruthenium and osmium with bi- and tridentate nitrogen and phosphine ligands. The disclosure relates to methods for preparing these complexes and the use of these complexes, isolated or prepared in situ, as catalysts for reduction reactions of ketones and aldehydes both via transfer hydrogenation or hydrogenation with hydrogen.

DICARBONYL RUTHENIUM AND OSMIUM CATALYSTS

The disclosure relates to dicarbonyl complexes of ruthenium and osmium with bi- and tridentate nitrogen and phosphine ligands. The disclosure relates to methods for preparing these complexes and the use of these complexes, isolated or prepared in situ, as catalysts for reduction reactions of ketones and aldehydes both via transfer hydrogenation or hydrogenation with hydrogen.

Organic solubilisation and/or extraction solvent, extraction method using said solvent, and extracts obtained by said method

The invention relates to a novel organic solubilisation and/or extraction solvent comprising at least one compound selected from the group of saturated monocyclic terpenoids, to an extraction method using said solvent, and to extracts obtained by said method. More particularly, the invention relates to a novel use of para-menthane, a saturated terpenoid compound, as a solvent derived from natural substances, and also to a solvent comprising para-menthane.

Organic solubilisation and/or extraction solvent, extraction method using said solvent, and extracts obtained by said method

The invention relates to a novel organic solubilisation and/or extraction solvent comprising at least one compound selected from the group of saturated monocyclic terpenoids, to an extraction method using said solvent, and to extracts obtained by said method. More particularly, the invention relates to a novel use of para-menthane, a saturated terpenoid compound, as a solvent derived from natural substances, and also to a solvent comprising para-menthane.

METHOD FOR OXIDATION OF CYCLOALKANES

The present invention concerns a method of oxidizing a cycloalkane to form a product mixture containing a corresponding alcohol and ketone, said method comprising contacting the cycloalkane with a hydroperoxide compound in the presence of a heterogenous catalyst comprising gold.