Technical Notes:
1. Endoperoxide synthesis by photocatalytic aerobic 2 +2+2 cycloadditions.
2Aerobic oxidation of a tertiary aliphatic amine under visible -light photocatalysis. Facile synthesis of methylene- bridged bis-1 ,3-dicarbonyl compounds.
3. Hydrophosphinylation of unactivated alkenes with secondary phosphine oxides under visible-light
photocatalysis.
4. 3+2 Photooxygenation of aryl cyclopropanes via visible light photocatalysis.