Cruciform pi-systems: hybrid phenylene-ethynylene/phenylene-vinylene oligomers.
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.
Wilson
James N
JN
Department of Chemistry and Biochemistry, Georgia Institute of Technology, 770 State St., Atlanta, GA 30332, USA.
Josowicz
Mira
M
Wang
Yiqing
Y
Bunz
Uwe H F
UH