The invention relates to organic electroluminescence devices containing indone carbazole derivatives.

The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having long lifetime properties while having an equivalent or improved level of power efficiency compared to conventional organic electroluminescent devices.

The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, it is possible to provide an organic electroluminescent device having improved current efficiency and/or lifetime properties.

Provided herein are methods for inhibiting PCSK9, reducing PCSK9 levels, and for treating or preventing related conditions and disorders, in a subject, which includes administering to a subject an effective amount of a compound which includes derivatized cycloalkyl[b]indoles, e.g., cyclopenta-, cyclohexa- and cyclohepta[b]indoles.

Provided is a synthetic intermediate for the preparation of photochromic indolenaphthopyran compounds having the core skeletal structure of Formula (I): wherein m is 0 to 4, n is 0 to 4, R.sup.1 and R.sup.2 are each independently hydroxyl, cyano, (meth)acrylate, amino, halo, substituted or unsubstituted alkyl, boronic ester, boronic acid, polyether, polyester, polycarbonate, polyurethane, substituted or unsubstituted aryl, substituted or unsubstituted heterocycloaryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryloxy, substituted or unsubstituted alkylthio, substituted or unsubstituted arylthio, ketone, aldehyde, ester, carboxylic acid, carboxylate, amide, carbonate, carbamate, urea, siloxane, alkoxysilane, or polysiloxane; R.sup.3 is substituted or unsubstituted 2-pyridyl or substituted or unsubstituted 2-quinolyl; and R.sup.4 is hydrogen, substituted or unsubstituted alkyl, alkoxymethyl, substituted or unsubstituted silyl, or acyl. Also provided is a process for producing an indolenaphthol compound which includes cyclizing the phenylnaphthol compound of Formula (I) in the presence of a catalyst. ##STR00001##

Provided is a synthetic intermediate for the preparation of photochromic indolenaphthopyran compounds having the core skeletal structure of Formula (I): wherein m is 0 to 4, n is 0 to 4, R.sup.1 and R.sup.2 are each independently hydroxyl, cyano, (meth)acrylate, amino, halo, substituted or unsubstituted alkyl, boronic ester, boronic acid, polyether, polyester, polycarbonate, polyurethane, substituted or unsubstituted aryl, substituted or unsubstituted heterocycloaryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryloxy, substituted or unsubstituted alkylthio, substituted or unsubstituted arylthio, ketone, aldehyde, ester, carboxylic acid, carboxylate, amide, carbonate, carbamate, urea, siloxane, alkoxysilane, or polysiloxane; R.sup.3 is substituted or unsubstituted 2-pyridyl or substituted or unsubstituted 2-quinolyl; and R.sup.4 is hydrogen, substituted or unsubstituted alkyl, alkoxymethyl, substituted or unsubstituted silyl, or acyl. Also provided is a process for producing an indolenaphthol compound which includes cyclizing the phenylnaphthol compound of Formula (I) in the presence of a catalyst. ##STR00001##

An object is to provide a novel organic compound. Another object is to provide a novel light-emitting device. Another object is to provide a light-emitting device with favorable emission efficiency. Another object is to provide a light-emitting device with a favorable lifetime. Another object is to provide a light-emitting device with a low driving voltage. A dibenzo[c,g]carbazole derivative represented by the following general formula (G1) and a light-emitting device using it are provided. Note that at least one of R.sup.11 to R.sup.22 represents a substituent that has 14 to 60 carbon atoms in total and contains a condensed tricyclic to hexacyclic aromatic hydrocarbon skeleton, and the others independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. ##STR00001##

An object is to provide a novel organic compound. Another object is to provide a novel light-emitting device. Another object is to provide a light-emitting device with favorable emission efficiency. Another object is to provide a light-emitting device with a favorable lifetime. Another object is to provide a light-emitting device with a low driving voltage. A dibenzo[c,g]carbazole derivative represented by the following general formula (G1) and a light-emitting device using it are provided. Note that at least one of R.sup.11 to R.sup.22 represents a substituent that has 14 to 60 carbon atoms in total and contains a condensed tricyclic to hexacyclic aromatic hydrocarbon skeleton, and the others independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. ##STR00001##

There is disclosed a compound Formula I ##STR00001##
In Formula I: Z is CR.sup.4R.sup.5, C═CR.sup.4R.sup.5, SiR.sup.4R.sup.5, GeR.sup.4R.sup.5, NR.sup.4a, PR.sup.4a, P(O)R.sup.4a, O, S, SO, SO.sub.2, Se; SeO, SeO.sub.2, Te, TeO, or TeO.sub.2; R.sup.1-R.sup.3 are the same or different at each occurrence and are D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl, where two groups selected from R.sup.1, R.sup.2, and R.sup.3 can be joined together to form a fused ring; R.sup.4-R.sup.5 are the same or different at each occurrence and are H, D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl; R.sup.4ais alkyl, silyl, germyl, aryl, or a deuterated analog thereof; a is an integer from 0-4; b and c are the same or different and are an integer from 0-3.

There is disclosed a compound Formula I ##STR00001##
In Formula I: Z is CR.sup.4R.sup.5, C═CR.sup.4R.sup.5, SiR.sup.4R.sup.5, GeR.sup.4R.sup.5, NR.sup.4a, PR.sup.4a, P(O)R.sup.4a, O, S, SO, SO.sub.2, Se; SeO, SeO.sub.2, Te, TeO, or TeO.sub.2; R.sup.1-R.sup.3 are the same or different at each occurrence and are D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl, where two groups selected from R.sup.1, R.sup.2, and R.sup.3 can be joined together to form a fused ring; R.sup.4-R.sup.5 are the same or different at each occurrence and are H, D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl; R.sup.4ais alkyl, silyl, germyl, aryl, or a deuterated analog thereof; a is an integer from 0-4; b and c are the same or different and are an integer from 0-3.