Class 549/513 - Processes

Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Processes for producing, purifying, or recovering an oxirane
No. of patents: 122
Last issue date: 12/27/2011

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Number	Title	Issue Date
8084631	Polyol formed from an EPOXIDIZED oil A polyol includes the reaction product of an epoxidized oil and an organic acid. The epoxidized oil and the organic acid are reacted in the presence of a Lewis base catalyst including at least one of a phosphorous atom or a nitrogen atom. The polyol is formed by a m...	12/27/2011
8080677	Process for selective oxidation of olefins to epoxides A process for the selective oxidation of olefins to epoxides comprising the step of contacting the olefin (propylene or ethylene) with an oxidant (hydrogen peroxide) in the presence of a Lewis acid oxidation catalyst (MTO), organic base (pyridine or its N-oxide), in...	12/20/2011
7649100	Oxidation process in the presence of carbon dioxide The selectivity of an olefin epoxidation process catalyzed by a heterogeneous catalyst for example titanium silicalite is improved by performing the epoxidation in the presence of carbon dioxide. The catalysts used do not require regeneration on each recycle. ...	01/19/2010
7629478	Process for the production of a polyol monomer A process for preparing palm-based polyol monomer includes reacting unsaturated fatty acids or its corresponding triglycerides with polyhydric alcohol. In particular, one example uses oleic acid with about 70% purity as the starting material for preparing the polyol...	12/08/2009
7615654	Direct epoxidation process A process is disclosed for the epoxidation of an olefin with hydrogen and oxygen in the presence of an oxidation catalyst comprising a transition metal zeolite, and a noble metal catalyst comprising a noble metal and an ion-exchange resin. The process is highly prod...	11/10/2009
7317100	Epothilone derivatives The present invention relates to C4-demethyl-epothilones or C4-bisnor-epothilones of Formula (I), their pharmaceutical use, pharmaceutical composition containing the same and methods for their preparation. ...	01/08/2008
7285600	Reagents for heat activated polymer crosslinking The present invention is directed to nitrile-oxide precursor compounds, and their preparation and use as an irreversible cross-linking agent in polymers having appropriate functionality, i.e., alkenes, alkynes nitriles, and isocyanates. The present invention is also...	10/23/2007
7232918	Catalyst composition There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a sodium solubilization rate n...	06/19/2007
7220870	Hydrolytic kinetic resolution of cyclic substrates The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a stereoisome...	05/22/2007
7169774	Cephalotaxane derivatives and their processes of preparation and purification The present invention concerns a new general process for asymmetric hemisynthesis of harringtonines and their analogs, that are alkaloids used in chemotherapy. This process comprises direct esterification of a natural cephalotaxine with an acylating compound constit...	01/30/2007
7151192	Manufacturing process for the preparation of α,α-branched alkane carboxylic acids providing esters with an improved softness A manufacturing process for the preparation of α,α-branched alkane carboxylic acids, by reacting a mono-olefin or a precursor thereof, with carbon monoxide in the presence of a strong acid catalyst characterized in that the starting olefin is a dimmer C8 or trimer...	12/19/2006
7135582	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 c...	11/14/2006
7122684	Process for preparing 1,2-diamino compounds The invention provides a multi-step process for preparing 1,2-diamino compounds of formula wherein R1, R1′, R2, R2′, R3 and R4 have the meanin...	10/17/2006
7097858	Polyoxometalate materials, metal-containing materials, and methods of use thereof Polyoxometalate topical compositions for removing contaminants from an environment and methods of use thereof are disclosed. An embodiment of the polyoxometalate topical composition includes a topical carrier and at least one polyoxometalate, with the proviso that t...	08/29/2006
7094915	Biphasic process for epoxidation of olefinic compound using chromate or dichromate catalyst The present invention relates to a biphasic process for the epoxidation of an organic compound by organic compound by organic hydroperoxide. More particularly, the present invention relates to a biphasic process for the epoxidation of an organic compound by organic ...	08/22/2006
7094898	Ruthenium compounds, their production and use A new class of compounds is disclosed that in preferred embodiments relate to Ru-based catalysts suitable for use in olefin metathesis reactions. Such compounds demonstrate high rates of catalytic turnover in comparison with other Ru catalysts known in the art. More...	08/22/2006
7091285	Adducts of mid-range vinylidene content polyisobutylene polymer products and methods for making the same A reaction product comprising an adduct of a mid-range vinylidene content PIB polymer composition and maleic anhydride, a phenolic compound or a compound having a reactive site for subsequent amination. The PIB composition comprises a relatively low molecular weight...	08/15/2006
7087768	Fumagillol derivatives and preparing method thereof The disclosure relates to a fumagillol compound which can be usefully used not only as an angiogenesis inhibiting agent showing a superior angeogenesis inhibitory effect with less toxicity, but also as a cancer metastasis inhibitor and a therapeutic agent against ca...	08/08/2006
7057038	Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids One aspect of the present invention relates to a method for the kinetic resolution of racemic and diastereomeric mixtures of chiral compounds. The critical elements of the method are: a non-racemic chiral tertiary-amine-containing catalyst; a racemic or diastereomer...	06/06/2006
6911470	Polyoxometalate compounds as antiviral agents Polyoxometalate compounds which exhibit anti-retroviral activity are disclosed. Compounds with anti-retroviral activity include those having the following general molecular formulas: M7PW11O39 M8SiW	06/28/2005
6906224	Process for producing α-aminoketones A process for producing α-aminohalomethyl ketones or N-protected α-aminohalomethyl ketones from specified 3-oxazolidin-5-one derivatives via 5-halomethyl-5-hydroxy-3-oxazolidine derivatives. By this process, α-aminohalomethyl ketones and compounds relating to the...	06/14/2005
6878835	Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it A complex catalyst for asymmetric epoxidation of enones, containing an optically active binaphthol, lanthanum triisopropoxide, triphenylphosphine oxide substituted with electron withdrawing groups in the parapositions of the phenyl groups, and cumene hydroperoxide o...	04/12/2005
6841667	Nucleophilic kinetic resolution of cyclic substrates using silyl azides The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a stereoisome...	01/11/2005
6825366	Process for the epoxidation of olefins using gold-containing catalyst The invention is directed towards a process for the epoxidation of olefins, using molecular oxygen and hydrogen, characterized in that, as catalyst, a compound comprising gold, preferably in nanometer size, on a support material, in which the support material is com...	11/30/2004
6800766	Hydrolytic kinetic resolution of cyclic substrates The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a stereoisome...	10/05/2004
6765101	Synthesis of lower alkylene oxides and lower alkylene glycols from lower alkanes and/or lower alkenes A method and apparatus for synthesizing at least one of alkylene oxides and alkylene glycols from lower alkanes and/or lower alkenes. In the preferred embodiment, the apparatus includes a lower alkane/alkene supply; an oxygen supply for providing a source of oxygen;...	07/20/2004
6756453	Alicylic epoxy compounds and their preparation process, alicylic epoxy resin composition, and encapsulant for light-emitting diode The present invention relates to alicyclic epoxy compounds obtained by selectively hydrogenating aromatic rings of aromatic epoxy compounds in the presence of a hydrogenation catalyst, the concentration of the platinum group element in the product alicyclic epoxy co...	06/29/2004
6747179	Carbon dioxide-soluble polymers and swellable polymers for carbon dioxide applications A method for carrying out a catalysis reaction in carbon dioxide comprising contacting a fluid mixture with a catalyst bound to a polymer, the fluid mixture comprising at least one reactant and carbon dioxide, wherein the reactant interacts with the catalyst to form...	06/08/2004
6743935	Process for the preparation of ruthenium compounds A process for the preparation of ruthenium compounds of the formula {Ru(dienyl)2} wherein “dienyl” represents a substituted pentadienyl or cycloheptadienyl group by reacting dichloro(2,7-dimethylocta-2,6-dien-1,8-diyl)-ruthenium with an appropriate di...	06/01/2004
6693206	Hydrolytic kinetic resolution of epoxides The present invention provides a process for the preparation of an enantiomerically enriched non-racemic chiral diol and an enantiomerically enriched non-racemic chiral epoxy compound by a hydrolytic kinetic resolution reaction. The process includes the s...	02/17/2004
6642395	Acetalsulfonate derivative, process for producing the same, and process for producing styrene oxide derivative There are provided an acetalsulfonate derivative useful as an intermediate for medicines and agricultural chemicals, a process for industrially producing the derivative, and a process for industrially producing a styrene oxide derivative from the acetalsu...	11/04/2003
6639087	Kinetic resolution method A method for stereoselective chemical synthesis, includes the steps of: (A) reacting a nucleophile and chiral or prochiral cyclic subtrate, said substrate comprising a carbocycle or a heterocycle having a reactive center susceptible to nucleophilic attack...	10/28/2003
6630609	Taxane synthesis method and intermediates A process for the preparation of a composition having the formula: ##STR1## in which a compound having the formula: ##STR2## is treated with a base and a silylating agent....	10/07/2003
6586564	Double-metal cyanide catalysts for preparing polyether polyols The invention relates to double-metal cyanide (DMC) catalysts for preparing polyether polyols by the polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, wherein the DMC catalysts are composed of: a) at least one DMC c...	07/01/2003
6573394	Polyoxofluorometallates and use thereof as catalysts for the epoxidation of alkenes The invention provides a process for the catalytic epoxidation of an alkene comprising contacting a transition metal substituted polyoxofluorometalate and molecular oxygen with said alkene....	06/03/2003
6518438	Preparation of cyclohexene carboxylate derivatives The present invention provides new synthetic methods and compositions. In particular, new methods of preparing intermediates useful in the synthesis of neuraminidase inhibitors and compositions useful as intermediates that are themselves useful in the syn...	02/11/2003
6509485	Preparation of epoxides from alkanes using lanthanide-promoted silver catalysts A process is provided for use in the conversion of alkanes into alkylene oxides, having particular utility in the conversion of propane to form propylene oxide, using a lanthanide-promoted, supported, silver catalyst prepared via precipitation. A preferre...	01/21/2003
6448414	Hydrolytic kinetic resolution of cyclic substrates The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a ...	09/10/2002
6441253	Method for the synthesis of taxanes A process for the preparation of a compound having the formula: ##STR1## the process comprising treating a compound having the formula: ##STR2## with an alkyl metal species or with a Lewis acid in the presence of a tertiary amine base, wherein P2	08/27/2002
6423853	Continuous ozonolysis of cycloalkenes into ozonides Continuous processes for converting cycloalkenes into ozonides in which ozone is reacted with a cycloalkene to form an ozonide solution. A portion of the solution is recycled back to the reaction, and additional cycloalkene is provided....	07/23/2002

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Class 549/513 - Processes