Advancing Base-Metal Catalysis: Development of a Screening Method for Nickel-Catalyzed Suzuki–Miyaura Reactions of Pharmaceutically Relevant Heterocycles
Metal Complex Compound, Hydrogen Production Catalyst and Hydrogenation Reaction Catalyst Each Comprising the Metal Complex Compound, and Hydrogen Production Method and Hydrogenation Method Each Using the Catalyst
申请人:Muranaka Makoto
公开号:US20130244865A1
公开(公告)日:2013-09-19
Provided is a catalyst for producing hydrogen, which catalyst has higher performance than conventional catalysts since, for example, it exhibits a certain high level of activity in an aqueous formic acid solution at high concentration even without addition of a solvent, amine and/or the like. The metal phosphine complex is a metal phosphine complex represented by General Formula (1): MH
m
(CO)L
n
, wherein M represents an iridium, iron, rhodium or ruthenium atom; in cases where M is an iridium or rhodium atom, m=3 and n=2, and in cases where M is an iron or ruthenium atom, m=2 and n=3; and the number n of Ls each independently represent a tri-substituted phosphine represented by General Formula (2): PR
1
R
2
R
3
. The catalyst for producing hydrogen comprises the metal phosphine complex as a constituent component.
[EN] PROCESS FOR PRODUCING N-(HETERO)ARYLAZOLES<br/>[FR] PROCÉDÉ DE PRODUCTION DE N-(HÉTÉRO)ARYLAZOLES
申请人:TAKASAGO PERFUMERY CO LTD
公开号:WO2013032035A1
公开(公告)日:2013-03-07
The present invention provides a process for effectively producing an N-(hetero)arylazole with high yield, which is useful as a medical or agrochemical product, an organic photoconductor material, an organic electroluminescent element material, or the like. The present invention relates to a process for producing an N-(hetero)arylazole, which includes reacting a (hetero)aryl (pseudo)halide with an NH-azole in the presence of: a catalyst including a palladium compound and a coordination compound; and a basic magnesium compound.
[EN] PROCESS FOR PREPARATION OF LEDIPASVIR<br/>[FR] PROCÉDÉ DE PRÉPARATION DE LÉDIPASVIR
申请人:GLENMARK PHARMACEUTICALS LTD
公开号:WO2017145028A1
公开(公告)日:2017-08-31
The present invention relates to a process for the preparation of ledipasvir a compound of formula I, which is useful as an antiviral agent. The present invention also provides ledipasvir phosphate.
The present invention provides a process for effectively producing an N-(hetero)arylazole with high yield, which is useful as a medical or agrochemical product, an organic photoconductor material, an organic electroluminescent element material, or the like. The present invention relates to a process for producing an N-(hetero)arylazole, which includes reacting a (hetero)aryl (pseudo)halide with an NH-azole in the presence of: a catalyst including a palladium compound and a coordination compound; and a basic magnesium compound.
POLYMER ELECTROLYTE COMPOSITION, AND POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND SOLID POLYMER FUEL CELL EACH USING SAME
申请人:TORAY INDUSTRIES, INC.
公开号:US20140377686A1
公开(公告)日:2014-12-25
Provided are: a practically excellent polymer electrolyte composition having excellent chemical stability of being resistant to strong oxidizing atmosphere during operation of fuel cell, and achieving excellent proton conductivity under low-humidification conditions, excellent mechanical strength and physical durability; a polymer electrolyte membrane, a membrane electrode assembly, and a polymer electrolyte fuel cell each using the same. The polymer electrolyte composition of the present invention comprises at least an ionic group-containing polymer (A) and a phosphorus-containing additive (B), the phosphorus-containing additive (B) being at least one of a phosphine compound and a phosphinite compound. The polymer electrolyte membrane, the membrane electrode assembly, and the polymer electrolyte fuel cell of the present invention are structured by the polymer electrolyte composition.