Patent application number | Description | Published |
20090281358 | HETEROGENEOUS CHIRAL CATALYST - The invention provides a heterogeneous catalyst comprising a catalytic group coupled to a mesocellular siliceous foam support. The catalytic group is capable of catalysing a reaction selected from the group consisting of a Friedel-Craft reaction and a Diels-Alder reaction. | 11-12-2009 |
20090313889 | PRODUCTION OF HYDROXYMETHYLFURFURAL - The invention provides a process for making hydroxymethylfurfural. A reaction mixture comprising a saccharide and a metal complex of an N-heterocyclic carbene is initially provided. The saccharide is then allowed to react at about 70° C. or below to form hydroxymethylfurfural. The saccharide may be a hexose or a mixture of hexoses, or a dimer, oligomer or polymer or copolymer of a hexose or a mixture thereof. | 12-24-2009 |
20100016621 | Hydrosilylation - The present invention relates to a process for converting a substrate to a product comprising exposing the substrate to a hydrosilane in the presence of a carbene catalyst. | 01-21-2010 |
20100099886 | N-HETEROCYCLIC CARBENE CATALYZED SYNTHESIS OF N-PHENYLISOXAZOLIDIN-5-ONE DERIVATIVE AND SYNTHESIS OF .beta.-AMINO ACID ESTER DERIVATIVE - A process for preparing a N-phenylisoxazolidin-5-one derivative is provided. The process for preparing the N-phenylisoxazolidin-5-one derivative comprises reacting an α,β-unsaturated aldehyde with nitrosobenzene in the presence of a N-heterocyclic carbene (NHC) catalyst. A process for preparing an N-alkoxyphenyl protected β-amino acid ester derivative is further provided. The process for preparing the N-alkoxyphenyl protected β-amino acid ester derivative comprises reacting an α,β-unsaturated aldehyde with nitrosobenzene in the presence of a N-heterocyclic carbene (NHC) catalyst to form a N-phenylisoxazolidin-5-one derivative, and then treating the N-phenylisoxazolidin-5-one derivative with an alcohol in the presence of an acid catalyst. A process for preparing an N-alkoxyphenyl protected β-amino acid ester derivative, comprising treating a N-phenylisoxazolidin-5-one derivative with an alcohol in the presence of an acid catalyst, is also provided. | 04-22-2010 |
20100105921 | N-HETEROCYCLIC CARBENE (NHC) CATALYZED SYNTHESIS OF HYDROXAMIC ACIDS - A process for preparing hydroxamic acids is provided. The process comprises reacting an aldehyde with a nitroso compound in the presence of a N-heterocyclic carbene (NHC) catalyst. | 04-29-2010 |
20100137608 | POLY-N-HETEROCYCLIC CARBENE TRANSITION METAL COMPLEXES AND N-HETEROCYCLIC CARBENE TRANSITION METAL COMPLEXES FOR CARBON-SULFUR AND CARBON-OXYGEN COUPLING REACTIONS - Methods for carbon-sulfur (C—S) or carbon-oxygen (C—O) coupling reactions are provided. The methods involve the use of a transition metal complex comprising a heterocyclic carbene ligand complexed with a transition metal. Transition metal complexes comprising a heterocyclic carbene ligand complexed with nickel are also provided. The nickel heterocylic carbene complexes may be used for C—S or C—O coupling reactions. | 06-03-2010 |
20100210744 | Mesoporous Polymer Colloids - The invention provides a particulate material comprising porous polymeric microparticles having a mesoporous structure. A process for making the particles is also presented. The process comprises impregnating a porous microparticulate template material with a liquid comprising one or more monomers. The one or more monomers are then polymerised in and/or on the template material to form a polymer, and the template material is then removed to produce the particulate material. | 08-19-2010 |
20110028513 | METHOD FOR TREATING NEUROLOGICAL DISORDERS WITH IMIDAZOLIUM AND IMIDAZOLINIUM COMPOUNDS - There is presently provided methods for delivering a neuroprotective agent to a neural cell. The methods comprise contacting a neural cell with an imidazolium or imidazolinium compound as described herein, including an imidazolium or imidazolinium salt. | 02-03-2011 |
20110112310 | AZIRIDINE SYNTHESIS - The invention relates to a process for making an aziridine. wherein an aldehyde, a nitroso compound and a Michael acceptor are reacted in the presence of an N-heterocyclic carbene (NHC) catalyst. | 05-12-2011 |
20110124755 | Polyisocyanurates - The invention relates to a polyisocyanurate comprising isocyanurate rings linked by linker groups coupled to the nitrogen atoms of said rings. The polyisocyanurate may be microporous or mesoporous or both microporous and mesoporous. | 05-26-2011 |
20110178040 | METHOD FOR TREATING FIBROSIS AND CANCER WITH IMIDAZOLIUM AND IMIDAZOLINIUM COMPOUNDS - There is presently provided methods for delivering an anti-fibrotic or anti-cancer agent to a cell. The methods comprise contacting a cell with an effective amount of imidazolium and imidazolinium compounds as described herein, including imidazolium and imidazolinium salts. | 07-21-2011 |
20120004430 | PRODUCTION OF HYDROXYMETHYLFURFURAL - The invention provides a process for making hydroxymethylfurfural comprising exposing a saccharide, e.g. glucose or fructose, to a metal complex of an N-heterocyclic carbene. | 01-05-2012 |
20120323038 | CARBOXYLATION OF TERMINAL ALKYNES - The present invention describes a process for converting a terminal alkyne into an alkynoic acid. In this process the alkyne is exposed to carbon dioxide in the presence of a copper (I) species, a base and a complexing agent capable of complexing copper (I). | 12-20-2012 |
20130210881 | ANTIMICROBIAL COMPOSITION - The present disclosure relates to an antimicrobial composition comprising at least one polymer or oligomer, the polymer and oligomer being comprised of repeating units of hydrophilic heterocyclic amine monomers that are coupled by hydrophobic linkers selected to confer the antimicrobial activity to the composition, methods of producing the same and uses of the antimicrobial composition. | 08-15-2013 |
20140142304 | PROCESS FOR PRODUCING AN AMINOPROPYNE OR ENAMINONE - There is provided a process for producing an aminopropyne or an enaminone comprising the step of reacting a metal acetylide, an amine and a carbonyl-containing compound in the presence of a transition metal catalyst. There is also provided a process for producing an aminopropyne comprising the step of reacting a metal acetylide, an amine and a halide-containing compound in the presence of a transition metal catalyst at a reaction temperature of 50° C. to 150° C. There are also provided processes to further synthesize the aminopropyne produced to obtain a butyneamine, another aminopropyne or a triazol. | 05-22-2014 |
20140326672 | MELAMINE ALDEHYDE POLYMERS - Described herein is a melamine-aldehyde polymer, wherein the polymer has a pore volume in the range of about 1.5 to 5 cm3/g. | 11-06-2014 |
20140357878 | METHOD OF PRODUCING 5-HYDROXYMETHYLFURFURAL FROM CARBOHYDRATES - Disclosed herein is a process for preparing 5-hydroxymethylfurfural comprising the step of contacting a carbohydrate and a Brønsted acid in an alcoholic solvent comprising an alcohol selected from the group consisting of secondary alcohols, tertiary alcohols, aryl alcohols and combinations thereof under conditions to dehydrate the carbohydrate thereby forming a reaction product containing 5-hydroxymethylfurfural. | 12-04-2014 |
20150057470 | METHOD FOR SYNTHESIZING A SUGAR ALCOHOL - A method for synthesizing a sugar alcohol comprising the step of hydrolyzing a polysaccharide in the presence of hydrogen ions (H | 02-26-2015 |
20150080612 | METHOD OF ACETALIZING AN ALDEHYDE - A method of acetalizing an aldehyde comprising reacting said aldehyde with an alcohol in the presence of a polymeric catalyst to form an acetal wherein the polymeric catalyst is a mesoporous poly-melamine-formaldehyde polymer. | 03-19-2015 |