New photochemical transformations of 1-iodopropan-2-one
Photolysis of 1-iodopropan-2-one (λ = 254 nm) at 80-90°C in the absence of CCl4 was studied. The structure of obtained polymer was studied by 1H NMR, IR, and ESR spectroscopy.
Reaction of 4-hydroxycoumarin or its O-substituted derivatives with diatomic interhalogens: ICl and IBr
Herein, we present some aspects regarding the iodination/bromination of 4-hydroxycoumarin or its O-methyl or O-acetyl derivatives with iodine monochloride or iodine monobromide as halogenation reagents. Also, the investigation of photochemical transformation of the three 3-iodocoumarins was investigated for the first time.