Abstract: Provided is a method of producing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane, the method having a dimer reaction step of reacting a trifluoropyruvic acid fluoride dimer with hexafluoropropylene oxide in an organic solvent in the presence of one or more fluorides selected from the group consisting of potassium fluoride and sodium fluoride to obtain perfluoro(dimethyl-2-oxo-1,4-dioxane).

Abstract: To provide an aldehyde scavenger and a method for removing aldehydes by using the same, for quickly and continuously capturing aldehydes. An aldehyde scavenger comprising at least one O-substituted hydroxylamine or at least one chemically acceptable salt thereof, is used against an aldehyde generation source.

Abstract: An object of the present invention is to provide a cyclic azine compound exhibiting both excellent driving voltage characteristics and excellent current efficiency characteristics. The desired cyclic azine compound has a specific structure represented by formula (1).

Abstract: The problem to be addressed by the present invention is to provide improved recombinant Fc?RIIb and Fc?RIIa that do not require refolding and exhibit high productivity and thermal stability, and to provide a method for producing the same. Said problem is solved by improved recombinant Fc?RIIb comprising at least the amino acid residues of the extracellular domain of human Fc?RIIb (No. 43 to No. 215 in UniProt No. P31994), wherein, in said amino acid residues, at least one amino acid substitution has occurred at a position corresponding to No. 82, 94, 98, 104, 105, or 139 in UniProt No. P31994. Said problem is also solved by improved recombinant Fc?RIIa comprising at least the amino acid residues of the extracellular domain of human Fc?RIIa (No. 34 to No. 206 in UniProt No. P12318-1), wherein, in said amino acid residues, at least one amino acid substitution has occurred at a position corresponding to No. 73, 85, 89, 95, 96, or 130 in UniProt No. P12318-1.

Abstract: To provide a sodium transition metal polyanion suitable as a cathode active material of a sodium secondary battery, and a simple method for producing it. A sodium transition metal polyanion, which has a purity of 90 mass % or higher, has a crystallite size of 90 ? or longer and 400 ? or shorter, and is represented by the formula Na3-xMPO4CO3 (M is at least one member selected from the group consisting of Fe, Mn, Ni and Co, and 0?x?2).

Abstract: The present invention aims to provide a fucose-binding protein that shows improved productivity in cases of expression in a host such as Escherichia coli, improved binding affinity to a fucose-containing sugar chain such as a sugar chain containing a structure composed of Fuc?1-2Gal?1-3GlcNAc and/or Fuc?1-2Gal?1-3GalNAc, and/or improved thermal stability.

Abstract: To provide europium complexes having high photostability.

Abstract: To provide an aldehyde scavenger and a method for removing aldehydes by using the same, for quickly and continuously capturing aldehydes. An aldehyde scavenger comprising at least one O-substituted hydroxylamine or at least one chemically acceptable salt thereof, is used against an aldehyde generation source.

Abstract: The problem to be addressed by the present invention is to provide improved recombinant Fc?RIIb and Fc?RIIa that do not require refolding and exhibit high productivity and thermal stability, and to provide a method for producing the same. Said problem is solved by improved recombinant Fc?RIIb comprising at least the amino acid residues of the extracellular domain of human Fc?RIIb (No. 43 to No. 215 in UniProt No. P31994), wherein, in said amino acid residues, at least one amino acid substitution has occurred at a position corresponding to No. 82, 94, 98, 104, 105, or 139 in UniProt No. P31994. Said problem is also solved by improved recombinant Fc?RIIa comprising at least the amino acid residues of the extracellular domain of human Fc?RIIa (No. 34 to No. 206 in UniProt No. P12318-1), wherein, in said amino acid residues, at least one amino acid substitution has occurred at a position corresponding to No. 73, 85, 89, 95, 96, or 130 in UniProt No. P12318-1.

Abstract: Provided is a cobalt complex which is useful for the production of a cobalt-containing thin film under conditions where no oxidizing gas is used. A cobalt complex represented by general formula (1) (wherein R1 represents a silyloxy group represented by general formula (2) (wherein R6, R7 and R8 independently represent an alkyl group having 1 to 6 carbon atoms); R2 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a silyloxy group represented by general formula (2); R3, R4 and R5 independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; and L represents a diene having 4 to 10 carbon atoms) is used.

Abstract: A compound useful for the manufacture of a Group 5 metal oxide film is provided. The compound is a Group 5 metal oxo-alkoxo complex represented by the following formula (A), and after preparing a film-forming material solution containing the compound and an organic solvent, a Group 5 metal oxide film can be manufactured using the film-forming material solution: M?(?4-O)?(?3-O)?(?-O)?(?-ORA)?(ORA)?(RAOH)?X?Y???(A) (wherein M represents a niobium atom, etc.; RA represents an alkyl group; X represents an alkylenedioxy group; Y represents a carboxy group, etc.; ? represents an integer of 3 to 10; ? represents 0 or 1; ? represents an integer of 0 to 8; ? represents an integer of 2 to 9; ? represents an integer of 0 to 6; ? represents an integer of 6 to 16; ? represents an integer of 0 to 4; ? represents an integer of 0 to 2; and ? represents an integer of 0 to 6).

Abstract: A cyclic azine compound represented by general formula (1): wherein each Ar1 represents an aromatic group, which is unsubstituted or substituted by a C1-4 alkyl group, a phenyl group or a pyridyl group; and A represents a group selected from those which are represented by general formulae (2) to (5), described in the description. The cyclic azine compound is useful for an organic compound layer of fluorescent or phosphorescent EL device.

Abstract: A composition that includes a high-valent compound of copper, silver or indium; a linear, branched or cyclic C1-18 alcohol; and a Group VIII metal catalyst forms a metal film of copper, silver or indium on a substrate when the composition is coated on the substrate and heated to reduce the high-valent compound. The composition may alternatively include metal particles of silver, copper or indium in which the surface layer of the particle includes a high-valent compound of copper, silver or indium. A metal film of copper, silver or indium may also be formed on a substrate by coating a substrate with the composition including the metal particles, and heating to reduce the high-valent compound in the same manner as above.

Abstract: Provided are a polycyclic pyrazolinone derivative indicated by general formula (1) (in the formula, R1, X1, X2, X3, and Y indicate the definitions provided in the Specification) and a herbicide comprising same as effective component thereof.

Abstract: Disclosed are: an Fc binding protein having increased stability with respect to heat, acid, and/or alkalinity compared with the wild type; a method for producing same; and a method for specifically isolating protein containing an Fc binding protein binding site using said Fc binding protein as a ligand for affinity chromatography. An Fc binding protein was obtained having increased stability with respect to heat, acid, and/or alkalinity compared with the wild-type human Fc receptor by means of substituting at least one specific amino acid residue in the extracellular domain of the wild-type human Fc receptor with another amino acid residue. The Fc binding protein is useful as a ligand for affinity chromatography for example by immobilizing in a solid phase.

Abstract: An object of the present invention is to provide a method for producing a Group IV metal oxide film useful as a semiconductor element or an optical element at a low temperature. The present invention relates to a method for producing a Group IV metal oxide film, comprising coating a surface of a substrate with a film-forming material dissolved in an organic solvent, and subjecting the substrate to a heat treatment, an ultraviolet irradiation treatment, or both of these treatments, wherein a film-forming material obtained by reacting a vinylenediamide complex having a specific structure with an oxidizing agent such as oxygen gas, air, ozone, water and hydrogen peroxide is used as the film-forming material.

Abstract: The present invention is to provide a ruthenium complex represented by formula (1a), (2), (3), etc., which is useful for producing a ruthenium-containing thin film both under the conditions using an oxidizing gas as the reaction gas and under the conditions using a reducing gas as the reaction gas: wherein R1a to R7a, R8, R9 and R10 to R18 represents an alkyl group having a carbon number of 1 to 6, etc., and n represents an integer of 0 to 2.

Abstract: A cyclic azine compound of formula (1): wherein, Y is C—H or a nitrogen atom, Ar1 is a C6-18 aromatic hydrocarbon group, which may be substituted with an C1-4 alkyl group or a phenyl group, Ar2 is a hydrogen atom, or a C6-18 aromatic hydrocarbon group, which may be substituted with a phenyl group or a pyridyl group, or is a nitrogen-containing condensed ring C9-15 aromatic group, Ar3 is a nitrogen-containing condensed ring C9-15 aromatic group, X is a phenylene group, and n is an integer in the range of 0-3. The cyclic azine compound is useful as a constituent of an organic electroluminescent device.

Abstract: Provided are a polycyclic pyrazolinone derivative indicated by general formula (1) (in the formula, R1, X1, X2, X3, and Y indicate the definitions provided in the Specification) and a herbicide comprising same as effective component thereof.

Abstract: A compound useful for the manufacture of a Group 5 metal oxide film is provided. The compound is a Group 5 metal oxo-alkoxo complex represented by the following formula (A), and after preparing a film-forming material solution containing the compound and an organic solvent, a Group 5 metal oxide film can be manufactured using the film-forming material solution: M?(?4-O)?(?3-O)?(?-O)?(?-ORA)?(ORA)?(RAOH)?X?Y???(A) (wherein M represents a niobium atom, etc.; RA represents an alkyl group; X represents an alkylenedioxy group; Y represents a carboxy group, etc.; ? represents an integer of 3 to 10; ? represents 0 or 1; ? represents an integer of 0 to 8; ? represents an integer of 2 to 9; ? represents an integer of 0 to 6; ? represents an integer of 6 to 16; ? represents an integer of 0 to 4; ? represents an integer of 0 to 2; and ? represents an integer of 0 to 6).