Organic compounds -- part of the class 532-570 series inventions 05/06

20060111575 - Non-routine reactor shutdown method: The non-routine (e.g., emergency) shutdown of a chemical reaction process is achieved by a method of safely operating a chemical reaction process which comprises the steps of detecting an undesirable condition capable of affecting the process, minimizing the reaction of the reactants, and maintaining a flow of materials through the...

20060111576 - Method of producing glycidyl methacrylate: In the production of glycidyl methacrylate from an alkali metal salt of methacrylic acid and epichlorohydrin, at least one water-soluble polymerization inhibitor is added at an appropriate stage of the production. The addition of the water-soluble polymerization inhibitor prevents the formation of insoluble solid matters to increase the efficiency of...

20060106233 - Process for the preparation of disubstituted acetylenes bearing heteroaromatic and heterobicyclic groups: P

20060106234 - High purity phthalein derivatives and method for preparing same: The invention concerns high purity phthalcin derivatives enabling their use for medical applications or in the field of biotechnology, as well as their preparation method whereby a phthatic anhydride derivative is condensed with a naphthol or phenol derivative in an organic acid ester and the crystals of the resulting condensate...

20060106236 - Protected and unprotected triols for prostaglandin synthesis: wherein A is selected from the group consisting of C1-C6 alkyl groups; C7-C16 aralkyl groups wherein an aryl portion thereof is unsubstituted or substituted with one to three substituents selected from the group consisting of C1-C6 alkyl groups, halo and CF3; and (CH2)nOR′ wherein n is an integer from 1...

20060106235 - Protected diols for prostaglandin synthesis: wherein A is selected from the group consisting of C1-C6 alkyl groups; C7-C16 aralkyl groups wherein an aryl portion thereof is unsubstituted or substituted with one to three substituents selected from the group consisting of C1-C6 alkyl groups, halo and CF3; and (CH2)nOR′ wherein n is an integer from 1...

20060106237 - Separation process: Phosphine and/or phosphine oxide promoters are effectively separated from propylene oxide reaction solvents through use of a membrane effective to retain the phosphine and/or phosphine oxide....

20060100448 - Process for the production of y-methyl-a-methylene-y-butyrolactone from reaction of levulinic acid and hydrogen in the liquid phase followed by reaction of crude-y-valerolactone and formaldehyde: An integrated two-step process for the production of gamma-methyl-alpha-methylene-gamma-butyrolactone from reaction of levulinic acid and hydrogen in the liquid phase to produce a crude GVL-containing product, followed by reaction of the crude GVL-containing product and formaldehyde in the supercritical or near-critical fluid phase....

20060100447 - Process for the production of y-methyl-a-methylene-y-butyrolactone from reaction of levulinic acid and hydrogen with recycle of unreacted levulinic acid followed by reaction of crude y-valerolactone and formaldehyde, both reactions being carried out in th: Process for the production of γ-methyl-α-methylene-γ-butyrolactone from reaction of levulinic acid and hydrogen with recycle of unreacted levulinic acid and reaction of crude γ-valerolactone and formaldehyde, both reactions being carried out in the supercritical or near-critical fluid phase....

20060100449 - Integrated two-step process for the production of gamma-methyl-alpha-methylene-gamma-butyrolactone from levulinic acid and hydrogen: An integrated two step method for making gamma-methyl alpha-methylene-gamma-butyrolactone (meMBL) from levulinic acid, in which levulinic acid is reacted with hydrogen in the first step to form a crude reaction product containing gamma-valerolactone, and the crude reaction product, without removal of unreacted levulinic acid therefrom, is reacted with formaldehyde in...

20060100450 - Process for the production of y-methyl-a-methylene-y-butyrolactone from reaction of levulinic acid and hydrogen followed by reaction of crude y-valerolactone and formaldehyde, both reactions being carried out in the supercritical or near-critical fluid ph: Process for the production of γ-methyl-α-methylene-γ-butyrolactone from reaction of levulinic acid and hydrogen followed by reaction of crude γ-valerolactone and formaldehyde, both reactions being carried out in the supercritical or near-critical fluid phase....

20060100451 - Process for manufacturing ethylene oxide: The invention relates to a process for manufacturing ethylene oxide by the catalytic oxidation reaction of ethylene with molecular oxygen. The process comprises contacting a reactive gas mixture current comprising ethylene and molecular oxygen with a silver-based catalyst in the form of particles arranged as a fixed bed in reaction...

20060094884 - Benzothiazepine and benzothiepine derivatives: Compounds of formula: (1) pharmaceutically acceptable salts, solvates, solvates of such salts and prodrugs thereof and their use as ileal bile acid transport (IBAT) inhibitors for the treatment of hyperlipidaemia are described. Processes for their manufacture and pharmaceutical compositions containing them are also described....

20060094885 - Novel process for the preparation of simvastatin: A process for manufacturing simvastatin is provided using novel intermediates. Thus, for example, lovastatin is reacted with methoxyethylamine, alpha methylated 2-methylbutyryl side chain of the amide formed, hydrolyzed and lactonized to produce finally simvastatin of high purity....

20060094886 - Manufacture of tocopheryl acetate: A process for the manufacture of 3-phytyl-2,5,6-trimethylhydroquinone-1-acetate, and optionally therefrom tocopheryl acetate, comprises either C-alkylating 2,3,6-trimethylhydroquinone-1-acetate with isophytol or phytol in the presence of a sulphur(VI) containing catalyst of the formula R1SO2OH, wherein R1 signifies hydroxy, halogen, lower alkyl, halogenated lower alkyl or aryl, in an aprotic organic solvent, or...

20060094887 - Transition metal complex having diphosphine compound as ligand: A transition metal complex having 2,2′-bis[bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]-1,1′-binaphthyl as a ligand. The presence of the transition metal complex in the reaction system of an asymmetric reaction system allows the preparation of an objective compound having an objective absolute configuration with improved efficiency....

20060094888 - Process for the preparation of 2-furyl-n-pentylketone and longer chain analogs: A process of making furfural-derived ketones is disclosed. These compounds may be useful as marine antifouling agents. The process uses the steps of: reacting a furfural with 1,3-dithiopropane to form a 1,3-dithiane derivative; metalizing the 1,3-dithiane derivative to form a metalodithiane derivative; reacting the metalodithiane derivative with a halide or...

20060094889 - Direct epoxidation process using modifiers: The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a noble metal-containing titanium or vanadium zeolite and a modifier selected from the group consisting of carbon monoxide, methylacetylene, and propadiene. The process results in significantly reduced alkane by-product formed by the hydrogenation...