Patent classifications
B01J31/0244
PROCESS FOR THE SYNTHESIS OF VORTIOXETINE
The present invention relates to a process for the synthesis of Vortioxetine (I) or a pharmaceutically acceptable salt thereof. This process is accomplished by using a catalytic system consisting of a copper salt and an organic ligand, which can promote the formation of both C—N and C—S bond in one-pot, giving rise to an efficient, simple and industrially viable synthetic route for Vortioxetine.
Nitrogen-doped catalyst for oxidative coupling reaction of methane, manufacturing method of nitrogen-doped catalyst for oxidative coupling reaction of methane thereby, and method for oxidative coupling reaction of methane using the same
A nitrogen-doped catalyst for oxidative coupling of methane, which is a catalyst for obtaining a C2 hydrocarbon product with high yield, and a method for manufacturing the catalyst are provided. An embodiment of the present inventive concept relates to a nitrogen-doped catalyst for oxidative coupling of methane having a silica support; and sodium tungstate and manganese supported on the support.
ENANTIOMERICALLY ENRICHED, POLYCRYSTALLINE MOLECULAR SIEVES
This disclosure describes enantiomerically enriched chiral molecular sieves and methods of making and using the same. In some embodiments, the molecular sieves are silicates or germanosilicates of STW topology.
Catalysts for olefin isomerization
Provided herein are cinchonium betaine catalysts and methods of promoting asymmetric butenolide isomerization reactions using the same.
CATALYSTS FOR THE SYNTHESIS OF OXAZOLIDINONES
A catalyst for the synthesis of oxazolidinones, preferable polyoxazolidinones, comprising an N-heterocyclic carbene and a Lewis acid (L). The invention is also related to a process for the production of an oxazolidinone compound, preferably a polyoxazolidinone compound, by reacting an isocyanate compound, preferably a polyisocyanate compound with an epoxide compound, preferably a polyepoxide compound, in the presence of the N-heterocyclic carbene and a Lewis acid catalyst and also to the resulting polyoxazolidinone.
COMPOSITIONS AND METHODS OF PROMOTING ORGANIC PHOTOCATALYSIS
The invention provides novel compounds and methods that are useful in promoting reactions that proceed through an oxidative quenching pathway. In certain embodiments, the reactions comprise atom transfer radical polymerization.
Light driven metal pincer photocatalysts for carbon dioxide reduction to carbon monoxide
Disclosed are N-heterocyclic carbene (NHC) and 4-pyridinol-derived pincer ligands and metal complexes containing these ligands. These compounds can be used to photocatalyticaly reduce CO.sub.2 to CO.
Electron donor, and method for synthesizing 4, 4′-bipyridine using electron donor
Provided are an electron donor that is easy to handle and can be used to carry out a coupling reaction economically and efficiently through simple operations under mild conditions in a short period of time, and a method for synthesizing 4,4′-bipyridine using the electron donor. The electron donor includes a mixture of a dispersion product obtained by dispersing sodium in a dispersion solvent and 1,3-dimethyl-2-imidazolidinone, and this electron donor is used in the method for synthesizing 4,4′-bipyridine.
Catalyst for curable compositions containing hexahydrotriazine structural units
A compound containing at least one hexahydrotriazine unit of formula (I) having at least one amidine or guanidine group and to the use thereof as a catalyst for the crosslinking of a functional compound, in particular a polymer including silane groups. The compound contains at least one hexahydrotriazine unit of formula (I) is producible in a simple process from readily available feedstocks, odorless at room temperature, non-volatile and largely non-toxic. The compound accelerates the crosslinking of functional polymers surprisingly well and by simple variation of the substituents is variable such that it has very good compatibility in different polymers as a result of which such compositions do not have a propensity for migration-based defects such as separation, exudation or substrate contamination.
IN-SITU POLYMERIZED TYPE THERMOPLASTIC PREPREG, THERMOPLASTIC COMPOSITE, AND METHODS OF MANUFACTURING THE SAME
An in-situ polymerized type thermoplastic prepreg is provided, which is excellent in productivity, has tack properties and drape properties that allow easy shaping in a mold, is excellent in handling properties, and allows a molded product obtained by curing to have both mechanical properties as high as those of a thermosetting composite and the features of the thermoplastic composite. An in-situ polymerized type thermoplastic prepreg 1 includes reinforcing fibers 2 and an in-situ polymerized type thermoplastic epoxy resin 3 as a matrix resin. The in-situ polymerized type thermoplastic epoxy resin 3 is cured to B-stage, with the weight-average molecular weight being 6,000 or less, and has tack properties and drape properties at 30° C. or less, and the in-situ polymerized type thermoplastic epoxy resin after curing has a weight-average molecular weight of 30,000 or more.