The present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of the compounds wherein the first host compound is represented by formula 1 and the second host compound is represented by formula 2, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifetime property.

The present invention relates to macrocyclic indole derivatives of general formula (I) ##STR00001##
in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, A and L are as defined herein, methods of preparing said compounds, intermediate compounds useful for preparing said compounds, pharmaceutical compositions and combinations comprising said compounds, and the use of said compounds for manufacturing pharmaceutical compositions for the treatment or prophylaxis of diseases, in particular of hyperproliferative disorders, as a sole agent or in combination with other active ingredients.

The present invention relates to macrocyclic indole derivatives of general formula (I) ##STR00001##
in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, A and L are as defined herein, methods of preparing said compounds, intermediate compounds useful for preparing said compounds, pharmaceutical compositions and combinations comprising said compounds, and the use of said compounds for manufacturing pharmaceutical compositions for the treatment or prophylaxis of diseases, in particular of hyperproliferative disorders, as a sole agent or in combination with other active ingredients.

Disclosed herein are compounds capable of producing organic electroluminescence (EL) devices having excellent properties, organic EL devices comprising the compounds, and electronic devices comprising the organic EL devices. The compounds of this disclosure are represented by formula (1) below, where A, B, C, and R.sub.1 to R.sub.11 are defined herein. ##STR00001##

Disclosed herein are compounds capable of producing organic electroluminescence (EL) devices having excellent properties, organic EL devices comprising the compounds, and electronic devices comprising the organic EL devices. The compounds of this disclosure are represented by formula (1) below, where A, B, C, and R.sub.1 to R.sub.11 are defined herein. ##STR00001##

Compounds having a structure according to formula are modulators of TLR7 activity and can be used to treat conditions amenable to treatment by the modulation of TLR7 activity. ##STR00001##

Compounds having a structure according to formula are modulators of TLR7 activity and can be used to treat conditions amenable to treatment by the modulation of TLR7 activity. ##STR00001##

An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode, in which the first emitting layer contains a first compound represented by a formula (101) below as a first host material, the second emitting layer contains a second compound represented by a formula (2) below as a second host material, and the first emitting layer is in direct contact with the second emitting layer.

##STR00001##

An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode, in which the first emitting layer contains a first compound represented by a formula (101) below as a first host material, the second emitting layer contains a second compound represented by a formula (2) below as a second host material, and the first emitting layer is in direct contact with the second emitting layer.

##STR00001##

An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one layer of the organic layer(s) contains a compound represented by the following formula, has low driving voltage and excellent durability.

##STR00001##

(X.sup.1 to X.sup.11 represent CR.sup.0 or N, and R.sup.0 represents a hydrogen atom or a substituent. Adjacent two of X.sup.1 to X.sup.11 each independently represent at least CR.sup.0, R.sup.0s of the adjacent two CR.sup.0s are bonded to each other to form a ring, and only one R.sup.0 of the adjacent two CR.sup.0s represents an aryl group or a heteroaryl group.)