@P04622-1@ involving changes in the arrangement of the atoms within the molecular species. It may lead to @U06569@ isomers that react further by, e.g., dehydrogenation, deprotonation, or other reactions.
Examples are photorearrangements of @A00224@ (other than cis-@C01092@ @P04622-2@), of cyclohex-2-enones, of endoperoxides, of thioarenes, the @D01745@ and others.
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 398 [Terms] [Paper]