The present invention relates to a novel compound and an organic electroluminescence device including the same, and the compound according to the present invention may be used in an organic material layer, preferably a light-emitting layer of an organic electroluminescence device, thereby enhancing the light-emitting efficiency, driving voltage, lifespan, and the like of the organic electroluminescence device.

[Problem] To provide: a novel compound which has high mobility and on/off ratio and is useful for organic electronic devices; and a method for producing the compound. [Solution] A condensed polycyclic aromatic compound which is represented by general formula (1). (In the formula, A represents a 1,5-dihydronaphthalene ring or a 2,6-dihydronaphthalene ring; each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represents a hydrogen atom, a halogen atom, a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted alicyclic hydrocarbon group, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted hydrocarbon oxy group, a substituted or unsubstituted ester group, a substituted or unsubstituted acyl group, or a substituted or unsubstituted cyano group; and each of X.sub.1 and X.sub.2 independently represents an oxygen atom, a sulfur atom or a selenium atom.) ##STR00001##

[Problem] To provide: a novel compound which has high mobility and on/off ratio and is useful for organic electronic devices; and a method for producing the compound. [Solution] A condensed polycyclic aromatic compound which is represented by general formula (1). (In the formula, A represents a 1,5-dihydronaphthalene ring or a 2,6-dihydronaphthalene ring; each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represents a hydrogen atom, a halogen atom, a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted alicyclic hydrocarbon group, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted hydrocarbon oxy group, a substituted or unsubstituted ester group, a substituted or unsubstituted acyl group, or a substituted or unsubstituted cyano group; and each of X.sub.1 and X.sub.2 independently represents an oxygen atom, a sulfur atom or a selenium atom.) ##STR00001##

A novel compound based on aza- and diazodibenzofurans; aza- and diaza dibenzothiophenes, such as benzothieno- and benzofuropyrimidines as well as benzothieno- and benzofuropyrazines useful for electron-transporting host material in green, red, yellow, and white phosphorescent emitting devices is disclosed.

A novel compound based on aza- and diazodibenzofurans; aza- and diaza dibenzothiophenes, such as benzothieno- and benzofuropyrimidines as well as benzothieno- and benzofuropyrazines useful for electron-transporting host material in green, red, yellow, and white phosphorescent emitting devices is disclosed.

A DNA polymerase theta inhibitor and use thereof are provided. Specifically, a compound of formula I or formula II, or a tautomer thereof, a stereoisomer thereof, a pharmaceutically acceptable salt of any of the above, or a solvate of any of the above has a better inhibitory effect on Pol.

##STR00001##

A DNA polymerase theta inhibitor and use thereof are provided. Specifically, a compound of formula I or formula II, or a tautomer thereof, a stereoisomer thereof, a pharmaceutically acceptable salt of any of the above, or a solvate of any of the above has a better inhibitory effect on Pol.

##STR00001##

Hallucinogenic and non-hallucinogenic serotonin receptor agonists are disclosed herein in addition to methods of making and using the same.

The present invention provides a fused aromatic compound represented by general formula (1) or general formula (2): ##STR00001##
wherein R.sub.1 to R.sub.8 each independently represent an atom or a functional group selected from the group consisting of a hydrogen atom, a halogen atom, a hydrocarbon oxy group, an aromatic hydrocarbon group, an aliphatic hydrocarbon group, an alicyclic hydrocarbon group, an ester group, an acyl group, a cyano group, and a substituted silyl group, X.sub.1 to X.sub.4 each independently represent a cyano group, an ester group, or an acyl group, and Y.sub.1 to Y.sub.4 each independently represent an oxygen atom, a sulfur atom, or a selenium atom.

The present invention provides a fused aromatic compound represented by general formula (1) or general formula (2): ##STR00001##
wherein R.sub.1 to R.sub.8 each independently represent an atom or a functional group selected from the group consisting of a hydrogen atom, a halogen atom, a hydrocarbon oxy group, an aromatic hydrocarbon group, an aliphatic hydrocarbon group, an alicyclic hydrocarbon group, an ester group, an acyl group, a cyano group, and a substituted silyl group, X.sub.1 to X.sub.4 each independently represent a cyano group, an ester group, or an acyl group, and Y.sub.1 to Y.sub.4 each independently represent an oxygen atom, a sulfur atom, or a selenium atom.