Disclosed herein are a curable composition which is capable of producing a cured product having a low Abbe's number and increased durability, and a curable composition with suppressed viscosity increase. Provided is a compound represented by General Formula (A). Also provided are a curable composition including a compound represented by General Formula (A), a predetermined (meth)acrylate monomer, and at least one selected from a photoradical polymerization initiator and a thermal radical polymerization initiator; a cured product formed by curing the curable composition; an optical component; and a lens. ##STR00001##

Disclosed herein are a curable composition which is capable of producing a cured product having a low Abbe's number and increased durability, and a curable composition with suppressed viscosity increase. Provided is a compound represented by General Formula (A). Also provided are a curable composition including a compound represented by General Formula (A), a predetermined (meth)acrylate monomer, and at least one selected from a photoradical polymerization initiator and a thermal radical polymerization initiator; a cured product formed by curing the curable composition; an optical component; and a lens. ##STR00001##

An organic electroluminescent element that uses a compound expressed by the following general formula emits dark blue light and exhibits little change in chromaticity during brightness modulation. (n1 is an integer from 0 to 8; the R.sup.1 [groups] are each independently a substituent substituted for a hydrogen atom of the pyrene skeleton; X is CR.sup.aR.sup.b (R.sup.a and R.sup.b are each independently a hydrogen atom or a substituent), O, S, or SiR.sup.dR.sup.e (R.sup.d and R.sup.e are each independently a hydrogen atom or a substituent); and A.sup.1 to A.sup.4 represent each independently either N or CR.sup.f (R.sup.f represents a hydrogen atom or a substituent, and two adjacent R.sup.f [groups] may jointly form a saturated or unsaturated ring, but no more than two rings may be formed jointly by two or more of the R.sup.f [groups]).)

An organic electroluminescent element that uses a compound expressed by the following general formula emits dark blue light and exhibits little change in chromaticity during brightness modulation. (n1 is an integer from 0 to 8; the R.sup.1 [groups] are each independently a substituent substituted for a hydrogen atom of the pyrene skeleton; X is CR.sup.aR.sup.b (R.sup.a and R.sup.b are each independently a hydrogen atom or a substituent), O, S, or SiR.sup.dR.sup.e (R.sup.d and R.sup.e are each independently a hydrogen atom or a substituent); and A.sup.1 to A.sup.4 represent each independently either N or CR.sup.f (R.sup.f represents a hydrogen atom or a substituent, and two adjacent R.sup.f [groups] may jointly form a saturated or unsaturated ring, but no more than two rings may be formed jointly by two or more of the R.sup.f [groups]).)

Provided are an ink composition comprising a compound represented by Chemical Formula 1 and a solvent represented by Chemical Formula A, an organic material layer including the same and an organic light emitting device including the same,

##STR00001## wherein all the variables are described herein.

Provided are an ink composition comprising a compound represented by Chemical Formula 1 and a solvent represented by Chemical Formula A, an organic material layer including the same and an organic light emitting device including the same,

##STR00001## wherein all the variables are described herein.

In one aspect, the present disclosure provides methods of preparing a primary or secondary amine and hydroxylated aromatic compounds. In some embodiments, the aromatic compound may be unsubstituted, substituted, or contain one or more heteroatoms within the rings of the aromatic compound. The methods described herein may be carried out without the need for transition metal catalysts or harsh reaction conditions.

In one aspect, the present disclosure provides methods of preparing a primary or secondary amine and hydroxylated aromatic compounds. In some embodiments, the aromatic compound may be unsubstituted, substituted, or contain one or more heteroatoms within the rings of the aromatic compound. The methods described herein may be carried out without the need for transition metal catalysts or harsh reaction conditions.

Provided are a compound of Chemical Formula 1, a coating composition including the compound, an organic light emitting device using the coating composition, and a manufacturing method thereof.

##STR00001## wherein all the variables are described herein.

Polycyclic aromatic hydrocarbons represented by the following general formula (I) wherein X is one of nitrogen, phosphorus, arsenic, antimony, bismuth, sulphur, selenium, tellurium; R independently represents an aromatic group and/or an aliphatic group; Q is one of a cyclic aliphatic hydrocarbon, a cyclic aromatic hydrocarbon, a polycyclic hydrocarbon, a polycyclic aromatic hydrocarbon, and/or a fused polycyclic aromatic hydrocarbon; wherein the substituents independently comprise one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g. an alkylated oxygen atom), a nitrogen atom (e.g. an alkylated nitrogen atom), a cyano group, a nitro group, an alkyl group and/or anaryl group; p is an integer of 1 to 2; q is an integer of 1 to 4; Y.sup.1 and Y.sup.2 independently represent one or more of a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a bromine atom, a carbon atom, an oxygen atom (e.g. an alkylated oxygen atom), a nitrogen atom (e.g. an alkylated nitrogen 20 atom), a cyano group, a nitro group, an alkyl group and/oranaryl group; and x is an integer of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or more. ##STR00001##