title: An unusual addition reaction for constructing a novel pH-controlled fluorescence switch.
abstract: A pH-controlled fluorescence switch based on a core-substituted naphthalenediimide compound (NDI-DBU) was constructed. The novel pentacyclic compound (NDI-DBU) was derived from naphthalenediimide (NDI) and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) in only one synthetic operation, catalysized by CuI.
authors.affiliation: Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China.
authors.forename: Chunjie
authors.initials: C
authors.lastname: Zhou
authors.forename: Yongjun
authors.initials: Y
authors.lastname: Li
authors.forename: Yingjie
authors.initials: Y
authors.lastname: Zhao
authors.forename: Jianhong
authors.initials: J
authors.lastname: Zhang
authors.forename: Wenlong
authors.initials: W
authors.lastname: Yang
authors.forename: Yuliang
authors.initials: Y
authors.lastname: Li
mesh_terms: D019086:Bridged Bicyclo Compounds, Heterocyclic / Q000138:chemical synthesis* / Q000737:chemistry; D002384:Catalysis; D005456:Fluorescent Dyes / Q000138:chemical synthesis* / Q000737:chemistry; D006863:Hydrogen-Ion Concentration; D007094:Imides / Q000737:chemistry*; D015394:Molecular Structure; D009281:Naphthalenes / Q000737:chemistry*
chemical_list: D019086:Bridged Bicyclo Compounds, Heterocyclic; D005456:Fluorescent Dyes; D007094:Imides; D009281:Naphthalenes; C542131:naphthalenediimide; C031033:1,8-diazabicyclo(5.4.0)undec-7-ene