Regiocontrolled photooxygenation of ibuprofen by pyrimido[5,4-g]pteridinetetrone– and anthraquinone–oxygen systems
Abstract
Ibuprofen [2-(4-isobutylphenyl)propionic acid]4 underwent regiocontrolled photooxygenation on the propionic acid and isobutyl moieties in the presence of pyrimido[5,4-g]pteridinetetrone 1– and anthraquinone 3– oxygen systems.