Abstract: Disclosed are a triazine ring-containing polymer having a repeating unit that comprises a structural unit derived from a triazinedithiol compound, the triazine ring-containing polymer having a yellowness index of less than 3 and comprising terminal SH groups, wherein at least a portion of the SH groups are capped with a hydrocarbon group, and a number of the SH groups in the triazine ring-containing polymer is less than about 1×1018 per gram of the polymer, and a thermoplastic article and optical part including the polymer.

Abstract: A polishing slurry including a composite including a hydrophilic fullerene and an ionic compound, a method of manufacturing the same, and a method of manufacturing a semiconductor device.

Abstract: A triazine ring-containing polymer including a structural unit represented by General Formula 1: *-[A-B-]-*??General Formula 1 wherein, in General Formula 1, A is represented by General Formula 2, B is represented by General Formula 3, and * indicates a point linked to another group or structural unit: wherein, in General Formula 2 and General Formula 3, L, R1 to R6, m1, n1, and * are the same as defined in the detailed description.

Abstract: A polishing slurry including a hydrophilic nanocarbon particle having a nitrogen-containing functional group, and a weight ratio of a nitrogen element relative to a carbon element of the hydrophilic nanocarbon particle, the weight ratio expressed as N/C×100% is greater than or equal to about 5 wt %, and a method of manufacturing a semiconductor device using the polishing slurry.

Abstract: A method of making a chemical product includes reacting a compound represented by Chemical Formula 1 with a metal alkyl chalcogenide using a palladium catalyst and a tertiary phosphine catalyst to obtain a first intermediate represented by Chemical Formula 2, obtaining a second intermediate represented by Chemical Formula 3 from the first intermediate, obtaining a third intermediate from the second intermediate and a compound represented by Chemical Formula 4, obtaining a fourth intermediate including a chalcogen-containing ring from the third intermediate, and performing a cyclization reaction of the fourth intermediate to obtain a fused heteroaromatic compound. A fused heteroaromatic compound obtained by the method, an intermediate thereof, and a synthetic method of the intermediate are disclosed.

Abstract: A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.

Abstract: A fused polycyclic heteroaromatic compound represented by Chemical Formula 1A or 1B that has a compact planar structure in which eight or more rings are fused together.

Abstract: A polishing slurry including a composite including a hydrophilic fullerene and an ionic compound, a method of manufacturing the same, and a method of manufacturing a semiconductor device.

Abstract: A carbazole compound represented by Formulae 1A or 1B: wherein in Formulae 1A and 1B, A, R1 to R4, and c1 to c3 are described in the specification.

Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.

Abstract: A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.

Abstract: A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.

Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.

Abstract: A method of making a chemical product includes reacting a compound represented by Chemical Formula 1 with a metal alkyl chalcogenide using a palladium catalyst and a tertiary phosphine catalyst to obtain a first intermediate represented by Chemical Formula 2, obtaining a second intermediate represented by Chemical Formula 3 from the first intermediate, obtaining a third intermediate from the second intermediate and a compound represented by Chemical Formula 4, obtaining a fourth intermediate including a chalcogen-containing ring from the third intermediate, and performing a cyclization reaction of the fourth intermediate to obtain a fused heteroaromatic compound. A fused heteroaromatic compound obtained by the method, an intermediate thereof, and a synthetic method of the intermediate are disclosed.

Abstract: An intermediate of a heteroacene compound is represented by Chemical Formula 1.

Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.

Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.

Abstract: A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.

Abstract: An intermediate of a heteroacene compound is represented by Chemical Formula 1.

Abstract: A fused polycyclic heteroaromatic compound represented by Chemical Formula 1A or 1B that has a compact planar structure in which eight or more rings are fused together.