An organometallic compound of Formula 1: ##STR00001##
wherein in Formula 1, groups and variables are as described in the specification.

Compositions of the invention include tunable metal-based thiophene photodynamic compounds useful as therapeutic agents and as in vivo diagnostic agents for treating or preventing diseases that involve hyperproliferating cell etiology including cancer and diseases associated with hyperproliferating cells. The compositions are also useful for treating infectious diseases and for pathogen disinfection.

Provided are compounds comprising at least one monoanionic bidentate ligand L.sub.A represented by Formula I or a tautomer thereof. Also provided are formulations comprising compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

##STR00001##

A method for synthesizing an organic metal complex having a substituent capable of coordinating to a central metal ion includes replacing substituents RX and RX in an organic metal complex having a structure represented by general formula (2) with substituents RB and RB in an organic metal complex having a structure represented by general formula (1), respectively:

##STR00001##

A phosphine oxide-based compound represented by Formula 1, and an organic light-emitting device including the phosphine oxide-based compound. ##STR00001## wherein Ar.sub.1 through Ar.sub.3, and a, b, and c are defined as in the specification.

An organometallic compound represented by Formula 1:

M(L.sub.1).sub.n1(L.sub.2).sub.n2 Formula 1 wherein in Formula 1, M in Formula 1 is selected from iridium (Ir), platinum (Pt), osmium (Os), titanium (Ti), zirconium (Zr), hafnium (Hf), europium (Eu), terbium (Tb), thulium (Tm), and rhodium (Rh), L.sub.1 in Formula 1 is selected from a ligand represented by Formula 2A or 2B as they are defined in the specification, and L.sub.2 in Formula 1 is selected from a mono-anionic organic ligand.

The present application discloses novel amino-sulfide metal catalysts for organic chemical syntheses including hydrogenation (reduction) of unsaturated compounds or dehydrogenation of substrates. The range of hydrogenation substrate compounds includes esters, lactones, oils and fats, resulting in alcohols, diols, and triols as reaction products. The catalysts of current application can be used to catalyze a hydrogenation reaction under solvent free conditions. The present catalysts also allow the hydrogenation to proceed without added base, and it can be used in place of the conventional reduction methods employing hydrides of the main-group elements. Furthermore, the catalysts of the present application can catalyze a dehydrogenation reaction under homogenous and/or acceptorless conditions. As such, the catalysts provided herein can be useful in substantially reducing cost and improving the environmental profile of manufacturing processes for a variety of chemicals.

An organometallic compound represented by Formula 1:

##STR00001## wherein, in Formula 1, L.sub.11, M, m, n, and R.sub.11 to R.sub.16 are the same as described in the specification.

The present disclosure is related to organic acceptor-donor-acceptor compounds as non-fullerene acceptors for use in organic photovoltaics.

Provided herein are photochemical separations. The methods herein can include exposing a first metal complex and a second metal complex to light to facilitate an irreversible chemical reaction to form a modified first metal complex. The modified first metal complex then may be separated from the second metal complex. Compositions also are provided.