Provided herein are processes and intermediates useful for the preparation of certain compounds, including a compound of formula 21 or formula 22

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or a pharmaceutically acceptable salt of either.

Disclosed herein are novel carborane hydroxamic acid matrix metalloproteinase (“MMP”) inhibitors and agents bearing borane-containing moieties and methods for their use in treating or preventing a disease, such as cancer and rheumatoid arthritis. In particular, disclosed herein are compounds of Formula (I) and pharmaceutically acceptable salt thereof: Formula (I) wherein the substituents are as described.

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The present invention provides novel compounds useful as proteasome inhibitors. The invention also provides pharmaceutical compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various diseases.

The present invention provides novel compounds useful as proteasome inhibitors. The invention also provides pharmaceutical compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various diseases.

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, and long-life device characteristics may be shown.

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An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, and long-life device characteristics may be shown.

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Provided are organoboron compounds. Also provided are formulations comprising these organoboron compounds. Further provided are OLEDs and related consumer products that utilize these organoboron compounds.

Provided are organoboron compounds. Also provided are formulations comprising these organoboron compounds. Further provided are OLEDs and related consumer products that utilize these organoboron compounds.

A compound, a synthesis method of the compound, a hardmask composition including the compound, and a method of forming patterns using the hardmask composition, the compound including a condensed or non-condensed polycyclic aromatic core having 40 or more carbon atoms and a plurality of substituents at a periphery of the core, wherein the plurality of substituents are each independently a substituted or unsubstituted C3 to C20 branched alkyl group, a C6 to C30 aryl group substituted with a substituted or unsubstituted C3 to C20 branched alkyl group, a C3 to C30 cycloalkyl group substituted with a substituted or unsubstituted C3 to C20 branched alkyl group, a C3 to C30 heterocyclic group substituted with a substituted or unsubstituted C3 to C20 branched alkyl group, or a combination thereof.

A compound, a synthesis method of the compound, a hardmask composition including the compound, and a method of forming patterns using the hardmask composition, the compound including a condensed or non-condensed polycyclic aromatic core having 40 or more carbon atoms and a plurality of substituents at a periphery of the core, wherein the plurality of substituents are each independently a substituted or unsubstituted C3 to C20 branched alkyl group, a C6 to C30 aryl group substituted with a substituted or unsubstituted C3 to C20 branched alkyl group, a C3 to C30 cycloalkyl group substituted with a substituted or unsubstituted C3 to C20 branched alkyl group, a C3 to C30 heterocyclic group substituted with a substituted or unsubstituted C3 to C20 branched alkyl group, or a combination thereof.