title: Enhanced photochromism of 1,2-dithienylcyclopentene complexes with metal ion.
abstract: A new bis(5-pyridyl-2-methylthien-3-yl)cyclopentene, as a photochromic bridging ligand, has been synthesized and the photocyclization quantum yield was found to increase in the presence of a metal ion.
authors.affiliation: Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237, PR China.
authors.forename: Bing
authors.initials: B
authors.lastname: Qin
authors.forename: Rongxia
authors.initials: R
authors.lastname: Yao
authors.forename: Xueli
authors.initials: X
authors.lastname: Zhao
authors.forename: He
authors.initials: H
authors.lastname: Tian