Compounds and compositions comprising compounds that modulate pyruvate kinase M2 (PKM2) are described herein. Also described herein are methods of using the compounds that modulate PKM2 in the treatment of cancer.

Compounds of general formula (I), and their pharmaceutically acceptable salts, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.5, R.sup.6, R.sup.8, R.sup.9, A, X.sup.1, X.sup.2, and X.sup.3 are defined herein, that may be useful as inductors of type I interferon production, specifically as STING active agents, are provided. Also provided are compositions comprising such compounds, processes for the synthesis of such compounds, and to uses of such compounds, including administration of such compounds to induce immune response, to induce STING-dependent type I interferon production, and/or to treat a cell proliferation disorder, such as cancer. ##STR00001##

Compounds of general formula (I), and their pharmaceutically acceptable salts, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.5, R.sup.6, R.sup.8, R.sup.9, A, X.sup.1, X.sup.2, and X.sup.3 are defined herein, that may be useful as inductors of type I interferon production, specifically as STING active agents, are provided. Also provided are compositions comprising such compounds, processes for the synthesis of such compounds, and to uses of such compounds, including administration of such compounds to induce immune response, to induce STING-dependent type I interferon production, and/or to treat a cell proliferation disorder, such as cancer. ##STR00001##

A compound of formula (I) ##STR00001##
wherein X is 0, C=0 or S; Y is N or CH; R.sub.2 and R.sub.4 are each independently H, —(CH.sub.2).sub.pCOOH, —(CH.sub.2).sub.pCON(R.sup.5).sub.2 or —(CH.sub.2).sub.pCOOC.sub.1-6alkyl; or R.sub.2 and R.sub.4 together form a 6-membered phenyl ring fused to the five membered ring; each R.sub.1 is independently selected from H, halo (e.g. fluoro or chloro), C.sub.6-10aryl, C.sub.7-12arylalkyl, C.sub.2-12 alkenyl; OC.sub.1-12 alkyl, OC.sub.2-12 alkenyl or a C.sub.1-12 alkyl group; each R.sup.5 is H or C.sub.1-6 alkyl; each p is 0 to 3; n is 1 to 4; or a salt, ester, solvate, N-oxide, or prodrug thereof, e.g. a salt thereof.

A compound of formula (I) ##STR00001##
wherein X is 0, C=0 or S; Y is N or CH; R.sub.2 and R.sub.4 are each independently H, —(CH.sub.2).sub.pCOOH, —(CH.sub.2).sub.pCON(R.sup.5).sub.2 or —(CH.sub.2).sub.pCOOC.sub.1-6alkyl; or R.sub.2 and R.sub.4 together form a 6-membered phenyl ring fused to the five membered ring; each R.sub.1 is independently selected from H, halo (e.g. fluoro or chloro), C.sub.6-10aryl, C.sub.7-12arylalkyl, C.sub.2-12 alkenyl; OC.sub.1-12 alkyl, OC.sub.2-12 alkenyl or a C.sub.1-12 alkyl group; each R.sup.5 is H or C.sub.1-6 alkyl; each p is 0 to 3; n is 1 to 4; or a salt, ester, solvate, N-oxide, or prodrug thereof, e.g. a salt thereof.

The present disclosure relates to a plurality of host materials comprising a first host material including a compound represented by formula 1 and a second host material including a compound represented by formula 2, and an organic electroluminescent device comprising the same. In addition, the present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound and/or a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having high luminous efficiency and long lifespan property can be provided.

The present disclosure relates to a plurality of host materials comprising a first host material including a compound represented by formula 1 and a second host material including a compound represented by formula 2, and an organic electroluminescent device comprising the same. In addition, the present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound and/or a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having high luminous efficiency and long lifespan property can be provided.

Disclosed herein are new antiviral compounds, together with pharmaceutical compositions that include one or more antiviral compounds, and methods of synthesizing the same. Also disclosed herein are methods of ameliorating and/or treating a paramyxovirus viral infection with one or more small molecule compounds. Examples of paramyxovirus infection include an infection caused by human respiratory syncytial virus (RSV).

Disclosed herein are new antiviral compounds, together with pharmaceutical compositions that include one or more antiviral compounds, and methods of synthesizing the same. Also disclosed herein are methods of ameliorating and/or treating a paramyxovirus viral infection with one or more small molecule compounds. Examples of paramyxovirus infection include an infection caused by human respiratory syncytial virus (RSV).

The present disclosure provides an organic light emitting element which has a pair of electrodes and an organic compound layer disposed therebetween and in which the organic compound layer contains an organic compound represented by the following general formula [1], ##STR00001##
wherein in the formula [1], Ar.sub.1 and Ar.sub.2 each independently represent an aromatic hydrocarbon group or a heteroaromatic ring group, R.sub.1 to R.sub.4 are each independently selected from a hydrogen atom or a substituent, R.sub.1 and R.sub.2 and R.sub.3 and R.sub.4 each may form a benzene ring, wherein the benzene ring may have at least one substituent.