Abstract: Provided are a hydrogen boride-containing composition, a hydrogen generation system, and a fuel cell system that achieve further performance improvement of a hydrogen supply source with a hydrogen boride-containing sheet. The hydrogen boride-containing composition contains a hydrogen boride-containing sheet having a two-dimensional network consisting of (BH)n(n?4, where n is an integer) and an electron donor. At least a portion of the electron donor is supported on the hydrogen boride-containing sheet, electrons of the electron donor are supplied to the hydrogen boride-containing sheet by external stimulus, and hydrogen is generated from the hydrogen boride-containing sheet into which the electrons are injected.

Abstract: It is an object to provide a high-yield production method of a hydroxythienoimidazole derivative, a vinyl sulfide derivative, an n-butylidene sulfide derivative, and a thienoimidazole derivative substituted with a straight-chain saturated hydrocarbon, and, in order to achieve the object, a production method according to one embodiment includes a step of mixing a thiolactone derivative represented by formula (I) with a Grignard reagent represented by formula (1) or (2) in the presence of a copper salt to obtain a hydroxythienoimidazole derivative represented by formula (II) or (IV).

Abstract: An object of the present invention is to provide a novel method for producing a ketone derivative, and more specifically, a method for producing a ketone derivative (I) represented by formula (I), including mixing a thioester derivative (II) represented by formula (II), a Grignard reagent (III) represented by formula (III) and a copper salt to form a ketone derivative (I).

Abstract: An organic reductant, in particular an organo silicon reductant suitable for activating supported catalysts of the type MOnEm, wherein E is S and/or Se, in particular MOn, wherein M is W, Mo or Re, is described as well as its use in metathesis reactions. The reduced catalysts are able to metathesize olefins at low temperatures and are therefore also suitable for metathesis of functionalized olefins.

Abstract: An object of the present invention is to provide a fused ring compound which can show sufficient charge transport properties and also has excellent solubility in a solvent.

Abstract: An object of the present invention is to provide a fused ring compound which can show sufficient charge transport properties and also has excellent solubility in a solvent.

Abstract: An object of the present invention is to provide a fused ring compound which can show sufficient charge transport properties and also has excellent solubility in a solvent.

Abstract: An object of the present invention is to provide a polycyclic fused ring polymer which has a structure capable of showing high charge transport properties and also is excellent in solubility into a solvent. The polycyclic fused ring polymer according to the present invention includes: a plurality of one of a first structural unit represented by the following formula (1) and a second structural unit represented by the following formula (2); or the first structural unit and the second structural unit in combination: wherein X1 and X2 represent an oxygen atom, a sulfur atom or a selenium atom, and R1 and R2 represent a halogen atom, an unsaturated alkyl group, an alkyl group, a non-alkyl group containing an alkyl group, an aryl group, or a monovalent heterocyclic group; R3 and R4 represent a monovalent group, and when a plurality of R3 and R4 exist, these may be the same or different; and m, n, s and t are an integer of 0 to 2.