Abstract: Provided are new organometallic compounds which are tetradentate and which comprise either a platinum or a palladium atom as the central metal atom. Also provided are formulations which comprise these new organometallic compounds. Further provided are organic light emitting diodes (OLEDs) and related consumer products that utilize these new organometallic compounds.

Abstract: Provided are organometallic compounds comprising an at least two-dentate ligand comprising at least one 5-membered or 6-membered carbocyclic or heterocyclic ring. Further provided are organometallic compounds containing a platinum atom as the central metal atom. Also described are their various uses including as emitters in devices such as organic light emitting diodes and related electronic devices. Also provided are formulations comprising these organometallic compounds containing a platinum atom as the central metal atom. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.

Abstract: Provided are 13-membered macrolides for the treatment of infectious diseases. The 13-membered macrolides described herein are azaketolides. Also provided are methods for preparing the 13-membered macrolides, pharmaceutical compositions comprising the 13-membered macrolides, and methods of treating infectious diseases, and in particular, disease resulting from Gram negative bacteria using the disclosed macrolides.