Norrish–Yang reaction

Photochemical process leading to the formation of cyclobutanols from excited carbonyl compounds by intramolecular γ-hydrogen abstraction (Norrish Type II photoreaction) and subsequent 1,4-diradical combination.
NT07427
Source:
PAC, 2007, 79, 293 (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 375