Patent classifications
C07B41/02
Monocarbonyl ruthenium and osmium catalysts
The invention relates to monocarbonyl complexes of ruthenium and osmium with bi- and tridentate nitrogen and phosphine ligands. The invention 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.
Monocarbonyl ruthenium and osmium catalysts
The invention relates to monocarbonyl complexes of ruthenium and osmium with bi- and tridentate nitrogen and phosphine ligands. The invention 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.
CHROMIUM-FREE WATER- AND ACID-STABLE CATALYST FOR HYDROGENATION REACTIONS
The present invention relates to an improved chromium-free Cu—Al catalyst for the hydrogenation of carbonyl groups in organic compounds, characterized in that the catalyst contains zirconium in a proportion of 0.5 to 30.0 wt. %. The invention also relates to the production of the catalyst and to the use of same in the hydrogenation of carbonyl groups in organic compounds.
CHROMIUM-FREE WATER- AND ACID-STABLE CATALYST FOR HYDROGENATION REACTIONS
The present invention relates to an improved chromium-free Cu—Al catalyst for the hydrogenation of carbonyl groups in organic compounds, characterized in that the catalyst contains zirconium in a proportion of 0.5 to 30.0 wt. %. The invention also relates to the production of the catalyst and to the use of same in the hydrogenation of carbonyl groups in organic compounds.
METHOD FOR PRODUCING GLYCOLIC ACID SALT AND METHOD FOR PRODUCING GLYCOLIC ACID
A glycolic acid salt that can be a raw material (intermediate product) for producing glycolic acid is more efficiently produced by a simple process. A method for producing a glycolic acid salt includes step (1) of reacting at least one compound selected from the group consisting of glycolonitrile and glycolamide with water in the presence of a metal oxide containing 50% by mass or more of at least one element selected from the group consisting of a rare earth element, a group 4 element of the periodic table, and a group 12 element of the periodic table, and a base to obtain a glycolic acid salt.
METHOD FOR PRODUCING GLYCOLIC ACID SALT AND METHOD FOR PRODUCING GLYCOLIC ACID
A glycolic acid salt that can be a raw material (intermediate product) for producing glycolic acid is more efficiently produced by a simple process. A method for producing a glycolic acid salt includes step (1) of reacting at least one compound selected from the group consisting of glycolonitrile and glycolamide with water in the presence of a metal oxide containing 50% by mass or more of at least one element selected from the group consisting of a rare earth element, a group 4 element of the periodic table, and a group 12 element of the periodic table, and a base to obtain a glycolic acid salt.
CHEMICALS AND USE OF HYPOHALITES IN MECHANISM-BASED SELECTIVE DUAL RADICAL ORGANIC SYNTHESES
Embodiments of the present invention provide for syntheses of pattern-specific compounds using hypohalites, such as hypochlorous acid, sodium hypochlorite and potassium hypoiodite, as dual-radical generators, wherein the synthesis can be implemented by a cyclization reaction, a dehydrogenation reaction, a hydroxylation reaction, a decarboxylation reaction, or any combination of the above four.
CHEMICALS AND USE OF HYPOHALITES IN MECHANISM-BASED SELECTIVE DUAL RADICAL ORGANIC SYNTHESES
Embodiments of the present invention provide for syntheses of pattern-specific compounds using hypohalites, such as hypochlorous acid, sodium hypochlorite and potassium hypoiodite, as dual-radical generators, wherein the synthesis can be implemented by a cyclization reaction, a dehydrogenation reaction, a hydroxylation reaction, a decarboxylation reaction, or any combination of the above four.
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.
PROCESS FOR THE PREPARATION OF 3-PHENYL/HETEROARYL-6-PHENOXY-8-ALKYLAMINO-IMIDAZO[1,2-B]PYRIDAZINE DERIVATIVES
A process for the preparation of 3-phenyl/heteroaryl-6-phenoxy-8-alkylamino-imidazo[1,2-b]pyridazine derivatives and intermediates of this process. A crystalline form of N-cyclopropyl-4-{6-(2,3-difluor-4-methoxyphenoxy)-8-[(3,3,3-trifluorpropyl)amino]imidazo[1,2-b]pyridazin-3-yl}-2-methylbenzamide. The compounds are inhibitors of the Mps-1 kinase (Monopolar Spindle 1 kinase; also known as Tyrosine Threonine Kinase, TTK).