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.

Hydrazone compounds and pharmaceutical compositions including same are disclosed as having antifungal activity. Such compounds are useful for treating or preventing fungal conditions in a subject in need thereof by administering same.

Hydrazone compounds and pharmaceutical compositions including same are disclosed as having antifungal activity. Such compounds are useful for treating or preventing fungal conditions in a subject in need thereof by administering same.

The disclosure is directed to compounds of the formula (I) and (II) and uses of such compounds to treat, among other conditions, neurodegenerative diseases and cancers.

The disclosure is directed to compounds of the formula (I) and (II) and uses of such compounds to treat, among other conditions, neurodegenerative diseases and cancers.

A composition which is useful for producing a light emitting device having excellent external quantum efficiency contains two or more compounds represented by the formula (C-1) and a phosphorescent compound, in which at least one of the compounds represented by the formula (C-1) is a compound in which R.sup.C is a group represented by the formula (C′-1). ##STR00001##
Ring R.sup.1C and Ring R.sup.2C represent an aromatic hydrocarbon ring or an aromatic hetero ring. R.sup.C represents an oxygen atom, a sulfur atom or a group represented by the formula (C′-1). ##STR00002##
Ring R.sup.3C and Ring R.sup.4C represent an aromatic hydrocarbon ring or an aromatic hetero ring. R.sup.C′ represents a carbon atom, a silicon atom, a germanium atom, a tin atom or a lead atom.

A composition which is useful for producing a light emitting device having excellent external quantum efficiency contains two or more compounds represented by the formula (C-1) and a phosphorescent compound, in which at least one of the compounds represented by the formula (C-1) is a compound in which R.sup.C is a group represented by the formula (C′-1). ##STR00001##
Ring R.sup.1C and Ring R.sup.2C represent an aromatic hydrocarbon ring or an aromatic hetero ring. R.sup.C represents an oxygen atom, a sulfur atom or a group represented by the formula (C′-1). ##STR00002##
Ring R.sup.3C and Ring R.sup.4C represent an aromatic hydrocarbon ring or an aromatic hetero ring. R.sup.C′ represents a carbon atom, a silicon atom, a germanium atom, a tin atom or a lead atom.

Phenothiazine compounds of Formula (I) are described herein. These compounds are useful as highly reducing organic photoredox catalysts. Suitable substrates for use with the compounds of Formula (I) include acrylates, styrene, acrylamides, acrylonitrile, vinyl chloride, methylacrylonitrile, vinyl acetate, and acrylic acid.

The invention relates to specific phenanthrenes, the use of the compound in an electronic device, and an electronic device containing at least one of said compounds. The invention further relates to a method for producing the compound and a formulation and composition containing one or more of the compounds.