The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

A compound having the structure of Formula I ##STR00001##
is disclosed. In the structure of Formula I, each of R.sub.1, R.sub.2, and R.sub.3 is independently a hydrogen, a non-fused aryl group having one meta-substituent, or a non-fused heteroaryl six-membered ring having one or more meta-substituents; each meta-substituent is a non-fused aryl or non-fused heteroaryl six-membered ring optionally substituted with further substituents selected from the group consisting of non-fused aryl groups, non-fused heteroaryl groups, and alkyl groups; and at least one of R.sub.1, R.sub.2, and R.sub.3 is a non-fused aryl having one meta-substituent or a heteroaryl six-membered ring having at least one meta-substituent, wherein each meta-substituent is a non-fused aryl or non-fused heteroaryl group further substituted with a chain of at least two non-fused aryl or non-fused heteroaryl groups. The compounds may be useful in phosphorescent organic light emitting devices.

The organic EL device of the present invention has an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description. The second hole transport layer includes an arylamine derivative represented by the following general formula (1):

##STR00001##

and the electron transport layer includes a pyrimidine compound represented by the following general formula (2):

##STR00002##

A condensed cyclic compound represented by Formula 1, a light-emitting device including the condensed cyclic compound, and an electronic apparatus including the light-emitting device:

##STR00001##

wherein substituents of Formula 1 are the same as described herein.

Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein a fine pattern of the electrode is formed by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), without using a shadow mask, and it is possible to more easily apply UDC since it is easy to manufacture a transparent display having high light transmittance.

Disclosed are a method for producing a highly reactive intermediate, which comprises: preparing an electron-accepting active compound (1), preparing a piezoelectric material (3), and applying mechanical strain to the piezoelectric material (3) in the presence of the electron-accepting active compound (1) and the piezoelectric material (3), and subjecting the compound (1) to one-electron reduction to generate a corresponding highly reactive intermediate; a redox reaction method using the method for producing the same; and a method for producing a redox reaction product.

A compound represented by formula (1):

##STR00001##

wherein R.sup.1 to R.sup.4, a to d, L.sup.0 to L.sup.2, and Ar are as defined in the description, is a material providing an organic electroluminescence device which can be operated at a low driving voltage and has a long lifetime.

Disclosed is a cross-coupling reaction method which forms a chemical bond selected from C—N, C—B, C—C, C—O and C—S bonds, the method comprising: preparing an aromatic compound (1) having a leaving group; preparing a compound (2) capable of undergoing a cross-coupling reaction selected from an aromatic amino compound (2-1), a diboronic acid ester or the like (2-2), an aromatic boronic acid or the like (2-3), an aromatic compound (2-4) having a hydroxyl group and an aromatic compound (2-5) having a thiol group; and performing a cross-coupling reaction of the compound (1) with the compound (2) in the presence of a palladium catalyst, a base and a compound (4) having a carbon-carbon double bond or a carbon-carbon triple bond, in the absence of a solvent.

The present invention relates to compounds which are suitable as synthesis precursors for the production of electronically active materials for use in organic electroluminescence devices.

A condensed cyclic compound and an organic light-emitting device including the same are provided. The condensed cyclic compound may have a structure shown below:

##STR00001## wherein details about the possible constituents are provided in detail in the disclosure.