Metal-free, visible-light mediated catalyst used by Nicewicz (BF4analog) for anti-Markovnikov hydroamination and hydroetherification reactions.Anti-Markovnikov Hydroamination of Alkenes Catalyzed by an Organic Photoredox SystemUsed by Griesbeck as a visible-light mediated oxygenation catalyst in the presence of O2.9-Mesityl-10-methylacridinium: An Efficient Type II and Electron-Transfer Photooxygenation CatalystFor other Visible-Light Photocatalysts, refer to:www.aldrich.com/photocatalysis