Photochemical properties of 4-benzoylbenzylammonium borates

Radical trapping experiments were performed on several new 4-benzoylbenzylammonium borates to investigate their photochemical properties. Results showed that alpha-aminoalkyl radical and other radicals can be successfully formed from 4-benzoylbenzylammonium tetraphenylborates, suggesting that the alpha-aminoalkyl radical in not the only initiating species. However, the radical was found to be the most active initiating specie.