title: A phenylbenzoxazole-amide-azacrown linkage as a selective fluorescent receptor for ratiometric sensing of Pb(II) in aqueous media.
abstract: A phenylbenzoxazole-amide-azacrown linkage (L) acts as a fluorescent receptor for ratiometric Pb(2+) sensing in aqueous media. This is promoted by the excited state intramolecular proton transfer (ESIPT) of the amide proton to benzoxazole nitrogen via coordination of Pb(2+) with amide oxygen.
authors.affiliation: Research Center for Solar Energy Chemistry, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan. shiraish@cheng.es.osaka-u.ac.jp
authors.forename: Yasuhiro
authors.initials: Y
authors.lastname: Shiraishi
authors.forename: Yoshinao
authors.initials: Y
authors.lastname: Matsunaga
authors.forename: Prannicha
authors.initials: P
authors.lastname: Hongpitakpong
authors.forename: Takayuki
authors.initials: T
authors.lastname: Hirai