According to the present invention, options for materials for organic devices such as materials for organic EL elements are increased by addition of a cycloalkane, by condensation, to a polycyclic aromatic compound in which a plurality of aromatic rings are linked together by boron atoms, oxygen atoms, and the like. By using a novel cycloalkane-condensed polycyclic aromatic compound as a material for an organic EL element, for example, an organic EL element having excellent emission efficiency and element life is provided.

According to the present invention, options for materials for organic devices such as materials for organic EL elements are increased by addition of a cycloalkane, by condensation, to a polycyclic aromatic compound in which a plurality of aromatic rings are linked together by boron atoms, oxygen atoms, and the like. By using a novel cycloalkane-condensed polycyclic aromatic compound as a material for an organic EL element, for example, an organic EL element having excellent emission efficiency and element life is provided.

A compound for use in the treatment of a disease ameliorated by the inhibition of Notum of formula (I): (I) ##STR00001##

A compound for use in the treatment of a disease ameliorated by the inhibition of Notum of formula (I): (I) ##STR00001##

This disclosure provides an isophthalamide compound and use thereof, wherein the compound has a structure as shown by general formula I:

##STR00001##

the definition of each substituent in the formula is shown in the specification. The specification also discloses use thereof as an insecticide and an animal parasite control agent.

This disclosure provides an isophthalamide compound and use thereof, wherein the compound has a structure as shown by general formula I:

##STR00001##

the definition of each substituent in the formula is shown in the specification. The specification also discloses use thereof as an insecticide and an animal parasite control agent.

Methods of hydromethylation of alkenes and ketones, including methods that use Tebbe's reagent. The methods may include contacting Cp.sub.2Ti(μ-Cl)(μ-CH.sub.2)AlMe.sub.2 and an alkene or a ketone to produce an intermediate product that may include a titanacyclobutane. The intermediate product may be contacted with an acid to produce a methylated product.

Disclosed is an organic light-emitting device with high efficiency and long lifespan that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and uses a compound having a characteristic structure as a compound for an electron transport layer.

Disclosed is an organic light-emitting device with high efficiency and long lifespan that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and uses a compound having a characteristic structure as a compound for an electron transport layer.

The present specification relates to a compound represented by Chemical Formula 1, and an organic light emitting device including the same.