Patent classifications
C07C2527/24
METHOD FOR PREPARING HIGHLY NITROGEN-DOPED MESOPOROUS CARBON COMPOSITES
Some embodiments are directed to a new methodology aimed at preparing highly N-doped mesoporous carbon macroscopic composites, and their use as highly efficient heterogeneous metal-free catalysts in a number of industrially relevant catalytic transformations.
GAS PHASE OZONE-MEDIATED SELECTIVE OXIDATIVE DEHYDROGENATION OF ALKANES
Improved methods of oxidative dehydrogenation (ODH) of alkanes and alkylbenzenes to the corresponding olefins are disclosed. The disclosed methods use ozone (O.sub.3) to mediate the oxidative dehydrogenation reaction with high selectivity for the desired product, and no heterogeneous ODH catalyst is needed.
METHOD FOR PREPARING HIGH-PURITY SULFONAMIDE COMPOUND, AND INTERMEDIATE OF SULFONAMIDE COMPOUND
The present invention discloses a method for preparing a high-purity sulfonamide compound and an intermediate of the sulfonamide compound. The method comprises the following steps: a, taking a crude product of a sulfonamide compound (I) as an initial raw material, and enabling the raw material to react with a compound of a formula (II) in presence of alkali and a catalyst so as to synthesize an intermediate of a formula (III); and b, enabling the compound represented by the formula (III) to react with alkali or acid, thereby obtaining the high-purity sulfonamide compound (I).
Gas phase ozone-mediated selective oxidative dehydrogenation of alkanes
Improved methods of oxidative dehydrogenation (ODH) of alkanes and alkylbenzenes to the corresponding olefins are disclosed. The disclosed methods use ozone (O.sub.3) to mediate the oxidative dehydrogenation reaction with high selectivity for the desired product, and no heterogeneous ODH catalyst is needed.
HETEROGENEOUS CATALYSTS FOR THE OXIDATIVE DEHYDROGENATION OF ALKANES OR OXIDATIVE COUPLING OF METHANE
Improved methods of oxidative dehydrogenation (ODH) of short chain alkanes or ethylbenzene to the corresponding olefins, and improved methods of oxidative coupling of methane (OCM) to ethylene and/or ethane, are disclosed. The disclosed methods use boron- or nitride-containing catalysts, and result in improved selectivity and/or byproduct profiles than methods using conventional ODH or OCM catalysts.
Use of catalyst prepared with a subgroup VI element for the production of organic chemicals and fuels from lignin
A process for the production of organic chemicals and fuels from lignin in the presence of a molybdenum or tungsten based catalyst, comprising mixing the lignin with the catalyst and a solvent in a sealed reactor, introducing an inert gas or hydrogen to the reactor to replace oxygen therein, and heating the sealed reactor to perform a depolymerization reaction at a reaction temperature of above 200° C. to obtain liquid products, which include aromatic compounds, esters, alcohols, monophenols and benzyl alcohols.
Fischer-Tropsch synthesis catalyst containing nitride support, preparation method therefor and use thereof
Disclosed are a Fischer-Tropsch synthesis catalyst, a preparation method therefor and use thereof in a Fischer-Tropsch synthesis reaction. Wherein the catalyst comprises: an active component, being at least one selected from VIIIB transition metals; an optional auxiliary metal; and a nitride carrier having a high specific surface area. The catalyst is characterized in that the active metal is supported on the nitride carrier having the high specific surface, such that the active component in the catalyst is highly dispersed. The catalyst has a high hydrothermal stability, an excellent mechanical wear resistance, a high Fischer-Tropsch synthesis activity and an excellent high-temperature stability.
Heterogeneous metal-free catalyst
The inventive concepts disclosed and/or claimed herein relate generally to catalysts and, more particularly, but not by way of limitation, to a heterogeneous, metal-free hydrogenation catalyst containing frustrated Lewis pairs. In one non-limiting embodiment, the heterogeneous, metal-free catalyst comprises hexagonal boron nitride (h-BN) having frustrated Lewis pairs therein.
VINYL-ETHERS AND METHODS OF THEIR PRODUCTION
The present invention relates to methods for producing at least one vinyl ether compound of formula (1) and to a vinyl ether compound of formula (1) preferably obtainable by the methods according to the invention. Furthermore, the present invention relates to a polymer obtainable by polymerizing the vinyl ether compound of formula (1) according to the invention, to an adhesive comprising the at least one polymer according to the invention and to the use of at least one vinyl ether compound of formula (I) according to the invention or at least one polymer according to the invention for the production of UV adhesives, cationic curings or 1-component or 2-component systems.
GAS-PHASE HOMOGENEOUS OXIDATIVE DEHYDROGENATION AND COUPLING OF ORGANIC MOLECULES
Disclosed are gas-phase ODH and OCP processes for converting alkanes (e.g., C.sub.2H.sub.6 and C.sub.3H.sub.8) to alkenes (e.g., C.sub.2H.sub.4 and C.sub.3H.sub.6) or oxygenates (e.g., methanol, ethanol, isopropanol, or propylene oxide) or converting alkenes (e.g., ethylene and propene) and oxygenates (e.g., methanol, ethanol, isopropanol or propylene oxide) to longer carbon-chain alkenes or longer carbon-chain alkanes with or without solid catalysts.