Patent classifications
C07C33/20
Preparation of surfactants via cross-metathesis
The present invention relates to compositions comprising alkene benzenes or alkene benzene sulfonates or alkylbenzenes or alkylbenzene sulfonates; methods for making alkene benzenes or alkene benzene sulfonates or alkylbenzenes or alkylbenzene sulfonates; where the benzene ring is optionally substituted with one or more groups designated R*, where R* is defined herein. More particularly, the present invention relates to compositions comprising 2-phenyl linear alkene benzenes or 2-phenyl linear alkene benzene sulfonates or 2-phenyl linear alkylbenzenes or 2-phenyl linear alkylbenzene sulfonates; methods for making 2-phenyl alkene benzenes or 2-phenyl alkene benzene sulfonates or 2-phenyl alkylbenzenes or 2-phenyl alkylbenzene sulfonates; where the benzene ring is optionally substituted with one or more groups designated R*, where R* is defined herein. This invention also relates to compositions, methods of making, use of, and articles of manufacture comprising 2-ethoxylated hydroxymethylphenyl linear alkyl benzenes. This invention also relates to compositions, methods of making, use of, and articles of manufacture comprising 2-propoxylated hydroxymethylphenyl linear alkyl benzenes.
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.
METHOD FOR PRODUCING ORGANOMETALLIC NUCLEOPHILE AND REACTION METHOD USING ORGANOMETALLIC NUCLEOPHILE
A method for producing an organometallic nucleophile includes reacting an organohalide and a metal or metal compound with each other by a mechanochemical process in the presence of an ether compound in an amount of 0.5 to 10.0 equivalents relative to 1 equivalent of the organohalide. By utilizing the method, a method for producing an organometallic nucleophile can be performed without using a large-scale apparatus, a reaction method for reactions between an organometallic nucleophile and various organic electrophiles can be performed by an efficient and simplified means, and a simplified method for producing an organometallic nucleophile can be performed with high reactivity.
METHOD FOR PRODUCING ORGANOMETALLIC NUCLEOPHILE AND REACTION METHOD USING ORGANOMETALLIC NUCLEOPHILE
A method for producing an organometallic nucleophile includes reacting an organohalide and a metal or metal compound with each other by a mechanochemical process in the presence of an ether compound in an amount of 0.5 to 10.0 equivalents relative to 1 equivalent of the organohalide. By utilizing the method, a method for producing an organometallic nucleophile can be performed without using a large-scale apparatus, a reaction method for reactions between an organometallic nucleophile and various organic electrophiles can be performed by an efficient and simplified means, and a simplified method for producing an organometallic nucleophile can be performed with high reactivity.
Method and catalyst for producing benzyl alcohol and homologues thereof from short-chain alcohols by catalytic conversion
Methods and catalysts for producing benzyl alcohol and homologues thereof from short-chain alcohols by catalytic conversion are disclosed. The methods and catalysts develop a new route for benzyl alcohols and ethyl benzyl alcohols production through cross coupling-aromatization reaction using short-chain alcohols as reactants and provide corresponding catalysts required for the above catalytic reaction. It is emphasized on a single bed catalyst to produce benzyl alcohol and its homologues in one step, and is expected to become an important alternative route for the production of benzyl alcohol and its homologues. A route and corresponding catalysts for directly producing benzyl alcohol and ethyl benzyl alcohol through coupling-aromatization reaction starting from low carbon alcohols are provided. The selectivity of the benzyl alcohol is up to 35%, and the total selectivity of the ethyl benzyl alcohol is up to 11%.
Method and catalyst for producing benzyl alcohol and homologues thereof from short-chain alcohols by catalytic conversion
Methods and catalysts for producing benzyl alcohol and homologues thereof from short-chain alcohols by catalytic conversion are disclosed. The methods and catalysts develop a new route for benzyl alcohols and ethyl benzyl alcohols production through cross coupling-aromatization reaction using short-chain alcohols as reactants and provide corresponding catalysts required for the above catalytic reaction. It is emphasized on a single bed catalyst to produce benzyl alcohol and its homologues in one step, and is expected to become an important alternative route for the production of benzyl alcohol and its homologues. A route and corresponding catalysts for directly producing benzyl alcohol and ethyl benzyl alcohol through coupling-aromatization reaction starting from low carbon alcohols are provided. The selectivity of the benzyl alcohol is up to 35%, and the total selectivity of the ethyl benzyl alcohol is up to 11%.
Process to obtain 3-phenylpropan-l-ol from natural sources
The present invention relates to a process for the manufacturing of 3-phenylpropan-1-ol, from nature derived starting material, wherein said nature derived starting material comprises not less than 80 wt. % of cinnamaldehyde. In another aspect, the present invention relates to the process, which further comprises the steps: a) conversion of cinnamaldehyde as starting material to 3-phenylpropan-1-ol by a catalytic hydrogenation; b) optional purification of the 3-phenylpropan-1-ol by alkaline water extraction; c) distillation of 3-phenylpropan-1-ol. In a third aspect the present invention relates to use of 3-phenylpropan-1-ol obtained by the process of the invention in perfumes and/or personal care and/or cleaning products.
Process to obtain 3-phenylpropan-l-ol from natural sources
The present invention relates to a process for the manufacturing of 3-phenylpropan-1-ol, from nature derived starting material, wherein said nature derived starting material comprises not less than 80 wt. % of cinnamaldehyde. In another aspect, the present invention relates to the process, which further comprises the steps: a) conversion of cinnamaldehyde as starting material to 3-phenylpropan-1-ol by a catalytic hydrogenation; b) optional purification of the 3-phenylpropan-1-ol by alkaline water extraction; c) distillation of 3-phenylpropan-1-ol. In a third aspect the present invention relates to use of 3-phenylpropan-1-ol obtained by the process of the invention in perfumes and/or personal care and/or cleaning products.
Manganese based complexes and uses thereof for homogeneous catalysis
The present invention relates to novel manganese complexes and their use, inter alia, for homogeneous catalysis in (1) the preparation of imine by dehydrogenative coupling of an alcohol and amine; (2) C—C coupling in Michael addition reaction using nitriles as Michael donors; (3) dehydrogenative coupling of alcohols to give esters and hydrogen gas (4) hydrogenation of esters to form alcohols (including hydrogenation of cyclic esters (lactones) or cyclic di-esters (di-lactones), or polyesters); (5) hydrogenation of amides (including cyclic dipeptides, lactams, diamide, polypeptides and polyamides) to alcohols and amines (or diamine); (6) hydrogenation of organic carbonates (including polycarbonates) to alcohols or hydrogenation of carbamates (including polycarbamates) or urea derivatives to alcohols and amines; (7) dehydrogenation of secondary alcohols to ketones; (8) amidation of esters (i.e., synthesis of amides from esters and amines); (9) acylation of alcohols using esters; (10) coupling of alcohols with water and a base to form carboxylic acids; and (11) preparation of amino acids or their salts by coupling of amino alcohols with water and a hydrogenative coupling of alcohols and amines; (13) preparation of imides from diols. ##STR00001## ##STR00002##