Synthesis of α,ω-dithienylpolyenes as potential model compounds for copolymers related to poly[p-phenylene vinylene
Nickel, Eric G.
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All isomers of the DPP's prepared in the reports cited were characterized by melting points and UV spectral information. The DDP's prepared in this study are in agreement with the MP's and UV data of the all trans isomers previously characterized. The method used by Kuhn and Winterstein, however, did not list any yields for the higher order polyenes, and the process itself is rather involved for producing a series of DPP. Also, a detailed study of chemical doping with respect to the changes in the UV spectra and conductivity of these polyenes has never been examined.