The present specification relates to a double spiro structure compound, and an organic light emitting device comprising the same.

The present specification provides a compound having a spiro structure, and an organic light emitting device including the same.

The present specification provides a compound having a spiro structure, and an organic light emitting device including the same.

The present invention provides an organic electroluminescent element which comprises: an anode; a cathode; and an organic layer interposed between the anode and the cathodes, wherein the organic layer comprises one or more types of layer from the group consisting of a hole-injection layer, hole-transport layer, light-emitting layer, lifetime enhancement layer, electron-transport layer, and electron-injection layer.

A borate compound-containing composition soluble in hydrocarbon solvents. A composition containing base A, or a compound having a total carbon number of not less than 8 and represented by the formula (5):

##STR00001##

wherein R and R′ are each independently an optionally substituted C.sub.1-30 alkyl group, an optionally substituted C.sub.3-15 cycloalkyl group, or an optionally substituted C.sub.6-14 aryl group; and
a borate compound represented by the following formula (1):

##STR00002##

wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently a C.sub.6-14 aryl group substituted by one or more fluorine atoms or fluoro C.sub.1-4 alkyl groups; and
[A-H].sup.+ is a base A-derived cation. A method for producing a polymer, by polymerizing at least one kind of monomer selected from the group consisting of olefins and dienes by using the composition A as a cocatalyst.

A borate compound-containing composition soluble in hydrocarbon solvents. A composition containing base A, or a compound having a total carbon number of not less than 8 and represented by the formula (5):

##STR00001##

wherein R and R′ are each independently an optionally substituted C.sub.1-30 alkyl group, an optionally substituted C.sub.3-15 cycloalkyl group, or an optionally substituted C.sub.6-14 aryl group; and
a borate compound represented by the following formula (1):

##STR00002##

wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently a C.sub.6-14 aryl group substituted by one or more fluorine atoms or fluoro C.sub.1-4 alkyl groups; and
[A-H].sup.+ is a base A-derived cation. A method for producing a polymer, by polymerizing at least one kind of monomer selected from the group consisting of olefins and dienes by using the composition A as a cocatalyst.

The described invention provides small molecule anti-cancer compounds for treating tumors that respond to cholesterol biosynthesis inhibition. The compounds selectively inhibit the cholesterol biosynthetic pathway in tumor-derived cancer cells, but do not affect normally dividing cells.

The described invention provides small molecule anti-cancer compounds for treating tumors that respond to cholesterol biosynthesis inhibition. The compounds selectively inhibit the cholesterol biosynthetic pathway in tumor-derived cancer cells, but do not affect normally dividing cells.

The present disclosure relates to a compound represented by Chemical Formula 1 and an organic light emitting device using the same. The compound is used as a material of an organic material layer of the organic light emitting device. ##STR00001##

The present disclosure relates to a compound represented by Chemical Formula 1 and an organic light emitting device using the same. The compound is used as a material of an organic material layer of the organic light emitting device. ##STR00001##