Patent application number | Description | Published |
20100286452 | HYDROGENATION OF ESTERS WITH RU/BIDENTATE LIGANDS COMPLEXES - The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a substrate containing one or two esters, or lactones, functional groups into the corresponding alcohol, or diol, with the process being carried out in the presence of a base and at least one catalyst or pre-catalyst in the form of a ruthenium complex, wherein the ruthenium is coordinated by a diphosphine bidentate ligand (PP ligand) and a diamino bidentate ligand (NN ligand) that includes at least one substituted α-carbon and one primary amine as one of the coordinating atoms. | 11-11-2010 |
20110190523 | HYDROGENATION OF ESTERS OR CARBONYL GROUPS WITH PHOSPHINO-OXIDE BASED RUTHENIUM COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts or pre-catalysts in hydrogenation processes for the reduction of ketones, aldehydes, esters or lactones into their corresponding alcohols or diols respectively. The preferred catalysts are ruthenium complexes comprising a ligand of the type (N—N) type and a ligand of the type (P—PO). | 08-04-2011 |
20130274487 | HYDROGENATION OF ESTERS OR CARBONYL GROUPS WITH TETRADENTATE AMINO/IMINO-THIOETHER BASED RUTHENIUM COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts, or pre-catalysts, in hydrogenation processes for the reduction of ketones and/or aldehydes into the corresponding alcohol respectively. Said catalysts are ruthenium complexes comprising a tetradentate ligand (L4) coordinating the ruthenium with: two nitrogen atoms, each in the form of a primary or secondary amine (i.e. a NH | 10-17-2013 |
20130331611 | HYDROGENATION OF DIENALS WITH RHODIUM COMPLEXES UNDER CARBON MONOXIDE FREE ATMOSPHERE - The present invention relates to the field of catalytic hydrogenation and, more particularly, to a process for the reduction by hydrogenation, using molecular H | 12-12-2013 |
Patent application number | Description | Published |
20090175814 | NITRILE DERIVATIVES AS PERFUMING INGREDIENTS - The present invention concerns substituted benzylic nitriles substituted with lower linear alkyl or alkylene groups. These compounds are useful perfuming ingredients, and can impart odor notes of the floral-green type. The invention concerns also the perfuming compositions or perfumed articles associated with the compound. | 07-09-2009 |
20100125144 | HYDROGENATION OF ESTERS WITH RU/TETRADENTATE LIGANDS COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Ru complexes with tetradentate ligands having at least one amino or imino coordinating group and at least one phosphino coordinating group in hydrogenation processes for the reduction of esters or lactones into the corresponding alcohol or diol respectively. | 05-20-2010 |
20100130754 | HYDROGENATION OF ESTERS WITH RU/BIDENTATE LIGANDS COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Ru complexes with bidentate ligands, having one amino or imino coordinating group and one phosphino coordinating group, in hydrogenation processes for the reduction of esters or lactones into the corresponding alcohol or diol respectively. | 05-27-2010 |
20100280273 | HYDROGENATION OF ESTERS WITH RU/BIDENTATE LIGANDS COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Ru complexes with bidentate ligands, having one amino or imino coordinating group and one phosphino coordinating group, in hydrogenation processes for the reduction of esters or lactones into the corresponding alcohol or diol respectively. | 11-04-2010 |
20100286452 | HYDROGENATION OF ESTERS WITH RU/BIDENTATE LIGANDS COMPLEXES - The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a substrate containing one or two esters, or lactones, functional groups into the corresponding alcohol, or diol, with the process being carried out in the presence of a base and at least one catalyst or pre-catalyst in the form of a ruthenium complex, wherein the ruthenium is coordinated by a diphosphine bidentate ligand (PP ligand) and a diamino bidentate ligand (NN ligand) that includes at least one substituted α-carbon and one primary amine as one of the coordinating atoms. | 11-11-2010 |
20100303988 | THIOLS AS FLAVORING INGREDIENT - The present invention relates to the use of 3-mercaptoheptyl carboxylate in the form of any one of its stereoisomers or in the form of a mixture thereof. The compounds of the invention are valuable flavoring ingredients capable of imparting fruity, citrus and/or teas aftertaste with a well-balanced long-lastingness. The present invention also concerns the compositions or articles containing the compound. | 12-02-2010 |
20110190523 | HYDROGENATION OF ESTERS OR CARBONYL GROUPS WITH PHOSPHINO-OXIDE BASED RUTHENIUM COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts or pre-catalysts in hydrogenation processes for the reduction of ketones, aldehydes, esters or lactones into their corresponding alcohols or diols respectively. The preferred catalysts are ruthenium complexes comprising a ligand of the type (N—N) type and a ligand of the type (P—PO). | 08-04-2011 |
20130274487 | HYDROGENATION OF ESTERS OR CARBONYL GROUPS WITH TETRADENTATE AMINO/IMINO-THIOETHER BASED RUTHENIUM COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts, or pre-catalysts, in hydrogenation processes for the reduction of ketones and/or aldehydes into the corresponding alcohol respectively. Said catalysts are ruthenium complexes comprising a tetradentate ligand (L4) coordinating the ruthenium with: two nitrogen atoms, each in the form of a primary or secondary amine (i.e. a NH | 10-17-2013 |
20130295229 | THIOLS AS FLAVORING INGREDIENT - The present invention relates to the use of 3-mercaptoheptyl carboxylate in the form of any one of its stereoisomers or in the form of a mixture thereof. The compounds of the invention are valuable flavoring ingredients capable of imparting fruity, citrus and/or teas aftertaste with a well-balanced long-lastingness. The present invention also concerns the compositions or articles containing the compound. | 11-07-2013 |
20130331611 | HYDROGENATION OF DIENALS WITH RHODIUM COMPLEXES UNDER CARBON MONOXIDE FREE ATMOSPHERE - The present invention relates to the field of catalytic hydrogenation and, more particularly, to a process for the reduction by hydrogenation, using molecular H | 12-12-2013 |
Patent application number | Description | Published |
20100286452 | HYDROGENATION OF ESTERS WITH RU/BIDENTATE LIGANDS COMPLEXES - The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a substrate containing one or two esters, or lactones, functional groups into the corresponding alcohol, or diol, with the process being carried out in the presence of a base and at least one catalyst or pre-catalyst in the form of a ruthenium complex, wherein the ruthenium is coordinated by a diphosphine bidentate ligand (PP ligand) and a diamino bidentate ligand (NN ligand) that includes at least one substituted α-carbon and one primary amine as one of the coordinating atoms. | 11-11-2010 |
20130274487 | HYDROGENATION OF ESTERS OR CARBONYL GROUPS WITH TETRADENTATE AMINO/IMINO-THIOETHER BASED RUTHENIUM COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts, or pre-catalysts, in hydrogenation processes for the reduction of ketones and/or aldehydes into the corresponding alcohol respectively. Said catalysts are ruthenium complexes comprising a tetradentate ligand (L4) coordinating the ruthenium with: two nitrogen atoms, each in the form of a primary or secondary amine (i.e. a NH | 10-17-2013 |
20130331611 | HYDROGENATION OF DIENALS WITH RHODIUM COMPLEXES UNDER CARBON MONOXIDE FREE ATMOSPHERE - The present invention relates to the field of catalytic hydrogenation and, more particularly, to a process for the reduction by hydrogenation, using molecular H | 12-12-2013 |