Objects are to provide the following: a substance that facilitates hole injection and has high triplet excitation energy; a light-emitting element having high emission efficiency using the substance that facilitates hole injection and has high triplet excitation energy; a light-emitting element having low driving voltage; and a light-emitting device, an electronic device, and a lighting device having low power consumption. Provided is a triazole derivative in which a dibenzothiophen-4-yl or dibenzofuran-4-yl group represented by General Formula (G2) is bonded to any one of Ar.sup.1 to Ar.sup.3 of a triazole derivative represented by General Formula (G1). In the formulas, A represents oxygen or sulfur, Ar.sup.1 to Ar.sup.3 separately represent a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, and R.sup.1 to R.sup.7 separately represent hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms. ##STR00001##

The invention relates to antibacterial compounds of formula I ##STR00001##
wherein R.sup.1 is H or halogen; R.sup.2 is alkynyloxy or the group M; R.sup.3 is H or halogen; M is one of the groups ##STR00002##
wherein A is a bond, CH.sub.2CH.sub.2, CH═CH or C≡C and R.sup.1A, R.sup.2A, R.sup.3A, R.sup.1B and R.sup.1C are as defined in claim 1;
and salts thereof.

The invention relates to antibacterial compounds of formula I ##STR00001##
wherein R.sup.1 is H or halogen; R.sup.2 is alkynyloxy or the group M; R.sup.3 is H or halogen; M is one of the groups ##STR00002##
wherein A is a bond, CH.sub.2CH.sub.2, CH═CH or C≡C and R.sup.1A, R.sup.2A, R.sup.3A, R.sup.1B and R.sup.1C are as defined in claim 1;
and salts thereof.

Provided are the compound represented by Formula 2-K, an organic electric element including a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by including the compound represented by Formula 1 and compound represented by Formula 2 or the compound represented by Formula 2-K in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the organic electric element can be improved.

Provided are the compound represented by Formula 2-K, an organic electric element including a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by including the compound represented by Formula 1 and compound represented by Formula 2 or the compound represented by Formula 2-K in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the organic electric element can be improved.

Compounds of Formula I, including pharmaceutically acceptable salts thereof, and compositions and methods for treating human immunodeficiency virus (HIV) infection are set forth:

##STR00001##

The invention relates to heterocyclic compounds with benzo[c]coumarin structures and to electronic devices, in particular organic electroluminescent devices, containing said compounds.

The present invention relates to a novel compound having excellent functions, such as electron injection and transport and light emission functions, and an organic electroluminescence device. By using the novel compound in an organic material layer of the organic electroluminescence device, properties of the device such a light emitting efficiency, driving voltage, and life can be improved.

The present invention relates to a novel compound having excellent functions, such as electron injection and transport and light emission functions, and an organic electroluminescence device. By using the novel compound in an organic material layer of the organic electroluminescence device, properties of the device such a light emitting efficiency, driving voltage, and life can be improved.

Disclosed are compounds, compositions and methods for treating of disorders that are affected by the modulation of the GPR40 receptor. Such compounds are represented by Formula (I) as follows: ##STR00001##
wherein R.sub.1, R.sub.2, R.sub.3, R.sub.5, R.sub.6, W, and A are defined herein.