photocyclization

https://doi.org/10.1351/goldbook.PT07450
@I03130@ photochemical process leading to carbo- or hetero- cyclic ring systems by formation of one new single bond, either by a @C01234@ (e.g., electrocyclization) or by multi-step processes such as @NT07427@, @P04617@ processes, @YT07500@ and others.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 388 [Terms] [Paper]