The present invention relates to a 4-(2-amino-tetrahydronaphthaleneyl)pyrimidine derivative, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of cancer comprising the same as an active ingredient. The 4-(2-amino-tetrahydronaphthaleneyl)pyrimidine derivative, the optical isomer thereof, or the pharmaceutically acceptable salt thereof of the present invention is very effective in suppressing anaplastic lymphoma kinase (ALK) activity and as a result it can improve the effectiveness of treatment on cancer cells having anaplastic lymphoma kinase (ALK) fusion proteins such as EML4-ALK and NPM-ALK, so that it can be effectively used as a pharmaceutical composition for preventing or treating cancer.

The present invention relates to a 4-(2-amino-tetrahydronaphthaleneyl)pyrimidine derivative, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of cancer comprising the same as an active ingredient. The 4-(2-amino-tetrahydronaphthaleneyl)pyrimidine derivative, the optical isomer thereof, or the pharmaceutically acceptable salt thereof of the present invention is very effective in suppressing anaplastic lymphoma kinase (ALK) activity and as a result it can improve the effectiveness of treatment on cancer cells having anaplastic lymphoma kinase (ALK) fusion proteins such as EML4-ALK and NPM-ALK, so that it can be effectively used as a pharmaceutical composition for preventing or treating cancer.

A composition comprising an organic EL material, a solvent (A) represented by the formula (1), an aromatic hydrocarbon solvent (B) and an aromatic ether solvent (C):

##STR00001##

[wherein R.sup.1 represents an alkyl group having a number of carbon atoms of 10 to 12].

A composition comprising an organic EL material, a solvent (A) represented by the formula (1), an aromatic hydrocarbon solvent (B) and an aromatic ether solvent (C):

##STR00001##

[wherein R.sup.1 represents an alkyl group having a number of carbon atoms of 10 to 12].

The present invention relates to novel materials which can be used in organic electronic devices, in particular electroluminescent devices, and are certain derivatives of fused aromatic systems.

The present invention relates to novel materials which can be used in organic electronic devices, in particular electroluminescent devices, and are certain derivatives of fused aromatic systems.

According to one or more embodiments, an organic light-emitting device may include: a first electrode; a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes an amine-based compound represented by Formula 1: ##STR00001##

A non-linear optical-absorbing material in an aspect of the present disclosure contains a compound represented by Formula (1) below:

##STR00001## in Formula (1) above, R.sup.1 to R.sup.12 mutually independently represent a group containing at least one atom selected from the group consisting of H, B, C, N, O, F, Si, P, S, Cl, I, and Br.

A non-linear optical-absorbing material in an aspect of the present disclosure contains a compound represented by Formula (1) below:

##STR00001## in Formula (1) above, R.sup.1 to R.sup.12 mutually independently represent a group containing at least one atom selected from the group consisting of H, B, C, N, O, F, Si, P, S, Cl, I, and Br.

The present invention relates to a novel stable benzo[h]hexaphene compound and an organic light-emitting device including the compound. The present invention provides a benzo[h]hexaphene shown in claim 1.