title: Cruciform pi-systems: hybrid phenylene-ethynylene/phenylene-vinylene oligomers.
abstract: The cruciform pentamers 3a-g were synthesized by a combined Horner-Sonogashira approach; their band gaps vary significantly with emission varying from blue to red depending upon their substituent pattern.
authors.affiliation: Department of Chemistry and Biochemistry, Georgia Institute of Technology, 770 State St., Atlanta, GA 30332, USA.
authors.forename: James N
authors.initials: JN
authors.lastname: Wilson
authors.forename: Mira
authors.initials: M
authors.lastname: Josowicz
authors.forename: Yiqing
authors.initials: Y
authors.lastname: Wang
authors.forename: Uwe H F
authors.initials: UH
authors.lastname: Bunz