The present invention relates to compounds suitable for use in electronic devices, and to electronic devices, especially organic electroluminescent devices, comprising these compounds.

Coating compositions comprise: a B-staged reaction product of one or more compounds comprising: a core chosen from C.sub.6-50 carbocyclic aromatic, C.sub.2-50 heterocyclic aromatic, C.sub.1-20 aliphatic, C.sub.1-20 heteroaliphatic, C.sub.3-20 cycloaliphatic, and C.sub.2-20 heterocycloaliphatic, each of which may be substituted or unsubstituted; and two or more substituents of formula (1) attached to the core: ##STR00001##
wherein: Ar.sup.1 is an aromatic group independently chosen from C.sub.6-50 carbocyclic aromatic and C.sub.2-50 heteroaromatic, each of which may be substituted or unsubstituted; Z is a substituent independently chosen from OR.sup.1, protected hydroxyl, carboxyl, protected carboxyl, SR.sup.1, protected thiol, —O—C(═O)—C.sub.1-6 alkyl, halogen, and NHR.sup.2; wherein each R.sup.1 is independently chosen from H, C.sub.1-10 alkyl, C.sub.2-10 unsaturated hydrocarbyl, and C.sub.5-30 aryl; each R.sup.2 is independently chosen from H, C.sub.1-10 alkyl, C.sub.2-10 unsaturated hydrocarbyl, C.sub.5-30 aryl, C(═O)—R.sup.1, and S(═O).sub.2—R.sup.1; x is an integer from 1 to the total number of available aromatic ring atoms in Ar.sup.1; and * denotes the point of attachment to the core; provided that when the core comprises an aromatic ring, no substituents of formula (1) are in an ortho position to each other on the same aromatic ring of the core; and one or more solvents, wherein the total solvent content is from 50 to 99 wt % based on the coating composition. Coated substrates formed with the coating compositions and methods of forming electronic devices using the compositions are also provided. The compositions, coated substrates and methods find particular applicability in the manufacture of semiconductor devices.

An organic electroluminescence device comprising: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a compound represented by the following formula (1), and a compound A having a Stokes shift of 20 nm or smaller and an emission peak wavelength of 440 nm to 465 nm (at least one of Ar.sub.1 and Ar.sub.2 is a monovalent group having a structure represented by the following formula (2)).

##STR00001##

A compound represented by the following formula (1), wherein in the formula, L.sub.1 and L.sub.2 are predetermined linking groups, and Ar.sub.1 is a monovalent group having a structure represented by the following formula (2).

##STR00001##

A polysubstituted benzene compound, preparation method thereof, and method of using the same. The compound has a formula I or I′, where X represents carbon, sulfur, or oxygen; R.sup.1 represents a C.sub.1-16 alkyl, C.sub.2-16 alkenyl, or C.sub.2-10 alkynyl; R.sup.2 represents hydrogen, halogen, C.sub.1-16 alkyl, C.sub.2-16 alkenyl, or C.sub.2-10 alkynyl; or an aryl group or a substituted aryl group by 1-5 groups selected from halogen, C.sub.1-26 alkyl, C.sub.1-3 halogenated alkyl, O—C.sub.1-3 alkyl, hydroxyl, amino, nitro, cyano group, aldehyde group and ester group; or a heteroaryl group or a substituted heteroaryl group by 1-5 groups selected from halogen, C.sub.1-26 alkyl, C.sub.1-3 halogenated alkyl, O—C.sub.1-3 alkyl, hydroxyl, amino, nitro, cyano group, aldehyde group and ester group; the heteroaryl group is a 3-10-membered heteroaryl group including N, S, O, or a combination thereof.

Disclosed herein are embodiments of aryl compounds and polymers thereof that are made using methods that do not require harsh conditions or expensive reagents. The methods disclosed herein utilize precursor compounds that can be polymerized to form polycyclic aromatic hydrocarbons and polymers, such as carbon-based polymers like nanostructures (e.g., graphene or graphene-like nanoribbons).

A polyalkylene glycol-based compound may have formula (1):

##STR00001##

wherein R.sup.1 is a monovalent aromatic hydrocarbon group having 6 to 42 ring carbon atoms; R.sup.2 is a monovalent aromatic hydrocarbon group having 6 to 42 carbon atoms or a hydrogen atom; R.sup.3 is a divalent hydrocarbon group having 2 to 4 carbon atoms; and m is a number in a range of from 1 to 40.

Disclosed herein are embodiments of nanohoop compounds, methods of making, and methods of using the same. The nanohoop compounds disclosed herein have discrete ring system(s) that comprise a unique meta-substituted motif that affords a strained cavity in which myriad reaction chemistries can take place. The unique structures and properties of the nanohoop compounds disclosed herein also lend to their use in a variety of biological applications, and as interlocked structures in molecular machines.

Disclosed herein are embodiments of nanohoop compounds, methods of making, and methods of using the same. The nanohoop compounds disclosed herein have discrete ring system(s) that comprise a unique meta-substituted motif that affords a strained cavity in which myriad reaction chemistries can take place. The unique structures and properties of the nanohoop compounds disclosed herein also lend to their use in a variety of biological applications, and as interlocked structures in molecular machines.

A method includes: providing a mixture including at least one alkyl tosylate and a Grignard reagent; and reacting the at least one alkyl tosylate with the Grignard reagent in a C—C coupling reaction mechanism to form a branched aliphatic alcohol.