·Reactant for enantioselective preparation of α-aryl alkylcarboxylic acids·Reactant for preparation of PKC inhibitor methylindolylpyridinylmet hylpiperidinylindolylpyrr oledione for protein kinase C imaging·Reactant for stereoselective preparation of δ-lactones via Michael addition/lactonization with unsaturated carboxylates·Reactant for stereoselective preparation of vindorosine, vindoline, and analogs·Reactant for preparation of (indolyl)pyrrol-2-ones as VEGF-R inhibitors, antiangiogenic agents, and protein kinase inhibitors·Reactant for synthesis of 3-aryl-5-alkyl-2,5-dihydr ofuran-2-ones and their carbanalogues as antifungal agents. 1-Methyl-3-indoleacetic acid is an indole derivative. Direct and riboflavin- or Rose-Bengal-sensitized photo-oxidation of 1-methyl-3-indoleacetic acid in aqueous buffer (pH 5 or pH 8) containing 10% methanol has been studied. ·Reactant for enantioselective preparation of α-aryl alkylcarboxylic acids·Reactant for preparation of PKC inhibitor methylindolylpyridinylmet hylpiperidinylindolylpyrr oledione for protein kinase C imaging·Reactant for stereoselective preparation of δ-lactones via Michael addition/lactonization with unsaturated carboxylates·Reactant for stereoselective preparation of vindorosine, vindoline, and analogs·Reactant for preparation of (indolyl)pyrrol-2-ones as VEGF-R inhibitors, antiangiogenic agents, and protein kinase inhibitors·Reactant for synthesis of 3-aryl-5-alkyl-2,5-dihydr ofuran-2-ones and their carbanalogues as antifungal agents.