Photocatalysis within hyperbranched polyethers with a benzophenone core.
Quenching and product studies have been performed to demonstrate the suitability of hyperbranched polyethers with a tetrafunctionalized benzophenone core as photocatalysts. The triplet photosensitized transformation of an unsaturated diazo compound has been used as the model reaction. The polymer with highest molecular weight led to a similar product distribution even after several catalytic cycles, which evidences its excellent photostability under prolonged irradiation time. We attribute this to the stabilizing effect of the hyperbranched polymer shell.
Pastor-Pérez
Lourdes
L
Instituto de Ciencia Molecular (ICmol), Universidad de Valencia, Paterna Valencia, Spain.
Barriau
Emilie
E
Frey
Holger
H
Pérez-Prieto
Julia
J
Stiriba
Salah-Eddine
SE