title: First higher-order photocycloaddition to a C=N bond: 1,3-diazepines from maleimides.
abstract: A light touch is all that is required to cleave a maleimide C-N bond to effect a [5+2] photocycloaddition with a sterically encumbered C=N moiety (see scheme).
authors.affiliation: School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK.
authors.forename: Kara L
authors.initials: KL
authors.lastname: Cubbage
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Orr-Ewing
authors.forename: Kevin I
authors.initials: KI
authors.lastname: Booker-Milburn