title: Facile synthesis of fluorescent active triazapentalenes through gold-catalyzed triazole-alkyne cyclization.
abstract: Fluorescent active triazapentalene zwitterions (TAPZs) were prepared through Au(I) catalyzed triazole-alkyne 5-endo-dig cyclization. While an effective gold catalyst turnover (0.5% loading, up to 96% yield) was achieved, the stability of these new 10-π-electron bicyclic structures was also significantly improved, which warranted future applications of these fluorescent dyes.
authors.affiliation: C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, USA. Xiaodong.Shi@mail.wvu.edu.
authors.forename: Rong
authors.initials: R
authors.lastname: Cai
authors.forename: Dawei
authors.initials: D
authors.lastname: Wang
authors.forename: Yunfeng
authors.initials: Y
authors.lastname: Chen
authors.forename: Wuming
authors.initials: W
authors.lastname: Yan
authors.forename: Natalie R
authors.initials: NR
authors.lastname: Geise
authors.forename: Sripadh
authors.initials: S
authors.lastname: Sharma
authors.forename: Huiyuan
authors.initials: H
authors.lastname: Li
authors.forename: Jeffrey L
authors.initials: JL
authors.lastname: Petersen
authors.forename: Minyong
authors.initials: M
authors.lastname: Li
authors.forename: Xiaodong
authors.initials: X
authors.lastname: Shi
mesh_terms: D000480:Alkynes / Q000737:chemistry*; D001372:Aza Compounds / Q000737:chemistry*; D002384:Catalysis; D003500:Cyclization; D005456:Fluorescent Dyes / Q000737:chemistry*; D006046:Gold / Q000737:chemistry*; D014230:Triazoles / Q000737:chemistry*
chemical_list: D000480:Alkynes; D001372:Aza Compounds; D005456:Fluorescent Dyes; D014230:Triazoles; D006046:Gold