2-Phenylindole is a reactant for preparation of organic light emitting diodes (OLEDs), anti inflammatory agents, antifungal and antibacterial agents and fluorescent probes. It is a reactant in difluorohydroxylation reactions and Mannich-type reactions. A reactant in difluorohydroxylation reactions. Application Reactant for preparation of: Oxopyrrolidine analogs via iodine-catalyzed Markovnikov addition Tryptophan dioxygenase inhibitors pyridyl-ethenyl-indoles as potential anticancer immunomodulators Organic light emitting diodes (OLEDs) Anti inflammatory agents Potential cyclooxygenase-1 (COX-1)/cyclooxygenase-2 (COX-2) inhibitors Agents for cancer and malaria therapy Antifungal and antibacterial agents Fluorescent probes Reactant in: Difluorohydroxylation reactions† Mannich-type reactions†