Patent classifications
B01J31/1815
Polymer-supported metal
A macromolecules containing a metal and a use thereof as a catalyst are disclosed. The macromolecules containing a metal may be obtained by causing a ligand to react with a zinc compound or a cobalt compound. The ligand has an imidazole group that is bonded to a macromolecule via a linker. The metal-containing macromolecules are highly active as a catalyst, stable, and easy to recover and reuse.
Dinuclear copper catalyst for the oxidation/oxygenation of hydrocarbons
The subject invention provides synthetic compounds, and compound complexes having catalytic activities towards oxidation or oxygenation, and/or dehydrogenation of various substrates comprising C—H bonds. The catalysts of the subject invention comprise a dinuclear Cu(I)/Cu(II) center that can convert between a resting state and a reactive species. The subject invention also provides methods of using such catalysts for the oxidation of substrates comprising C—H bonds, e.g., hydrocarbons, to synthesize chemicals for use as pharmaceuticals and industrial feedstock.
NOVEL ANNULATION CATALYSTS VIA DIRECT C-H BOND AMINATION
Disclosed are compounds, methods, reagents, systems, and kits for the preparation and utilization of monomeric or polymeric metal-based compounds. These metal-based compounds are organometallic catalysts composed of substituted dipyrrin ligands bound to transition metals. C—H bond functionalization catalysis can be performed with the disclosed organometallic catalysts to yield C—N bonds to generate substituted bicyclic, spiro, and fused nitrogen-containing heterocycles, all common motifs in various pharmaceutical and bioactive molecules.
METHODS RELATED TO CARBON DIOXIDE
Some embodiments of the invention include methods of using a compound (e.g., Formula (I)) for the reduction of carbon dioxide to formate by contacting the carbon dioxide with a composition comprising a compound. In certain embodiments, the source of the carbon dioxide is air or is flue gas. Additional embodiments of the invention are also discussed herein.
DECARBOXYLATIVE CONJUGATE ADDITIONS AND APPLICATIONS THEREOF
Synthetic methods are described herein operable to efficiently produce a wide variety of molecular species through conjugate additions via decarboxylative mechanisms. For example, methods of functionalization of peptide residues are described, including selective functionalization of peptide C-terminal residues. In one aspect, a method of peptide functionalization comprises providing a reaction mixture including a Michael acceptor and a peptide and coupling the Michael acceptor with the peptide via a mechanism including decarboxylation of a peptide reside.
Cu(I)-catalyzed azide-alkyne cycloadditions (CuAAC) ligands and methods for carrying out Cu(I)-catalyzed azide-alkyne cycloaddition reactions
A Cu(I)-Catalyzed Azide-Alkyne Cycloadditions (CuAAC) ligand comprising: a catalytic core; a fluorous tag; and a linker binding the fluorous tag to the catalytic core. A method for carrying out a Cu(I)-Catalyzed Azide-Alkyne Cycloaddition reaction, comprising: combining in a solution an alkyne-tagged component, an azide-tagged component and a Cu(I)-Catalyzed Azide-Alkyne Cycloadditions (CuAAC) ligand comprising: a catalytic core; a fluorous tag; and a linker binding the fluorous tag to the catalytic core; filtering the solution through a solid phase extraction filter to remove Cu(I)-ligand catalyst and/or excess ligand.
Fuel cell electrode having porous carbon core with macrocyclic metal chelates thereon
The invention concerns a method for manufacturing of an electrocatalyst comprising a porous carbon support material, a catalytic material in the form of at least one type of metal, and macrocyclic compounds chemically bound to the carbon support and capable of forming complexes with single metal ions of said metal or metals, said method comprising the steps of: i) providing a template capable of acting as pore structure directing agent during formation of a highly porous electrically conducting templated carbon substrate, ii) mixing the template with one or several precursor substances of the catalytic material, the macrocyclic compounds and carbon, iii) exposing the mixture of the template and the precursor substances to a carbonization process during which the precursors react and transform the mixture into a carbonized template composite in winch the carbon part of the composite is chemically bound to macrocyclic compounds present in complexes with the metal or metals. The invention also concerns an electrocatalyst for electrochemical reactions, a method for manufacturing of a membrane electrode assembly using such an electrocatalyst and to a fuel cell making use of such an electrocatalyst.
SENSOR ENABLED BY CATALYTIC SYSTEM
A sensor can include one or more of a semiconducting material, an oxidation catalyst, and an oxidation enhancer, the sensor being configured to detect an analyte, such as methane, a thiol, or both.
FORMATE PRODUCTION METHOD, FORMIC ACID PRODUCTION METHOD, AND ANTIFREEZING AGENT PRODUCTION METHOD
The invention relates to a method for producing a formate, the method including a first step of reacting hydrogen with carbon dioxide, a hydrogen carbonate or a carbonate using a catalyst in the presence of a solvent to form a formate in the reaction liquid, wherein the reaction is a two-phase system in which an organic phase and an aqueous phase are present in a separated state in the solvent, and a base concentration in the reaction is 2.5 mol/L or more.
SELECTIVE ISOBUTANE OXIDATION TO TERT-BUTANOL IN THE PRESENCE OF CUBANE CLUSTERS CATALYST
The present disclosure provides catalyst compositions and processes for the conversion of low-cost short chain alkanes to high value liquid transportation fuels and chemicals. The present disclosure provides methods of making said catalyst compositions.