Properly functionalized dithienylethenes show promise for light-induced switching processes. However, <i>cis-trans</i> isomerization is known to compete with 6 π-electron ring closure, to prevent this competition, the ethane segment is usually combined in a (perfluorinated) cyclopentene. The focus of our research was the syntheses of perhydrocyclopentene, which is suitable for large scale alterations. Further functionalization of this compound is possible due to the chloro group at the 5-position of the thiophene rings. The chloro group was later reacted with the designated p type material (2,7-(bispinacolato diboron) fluorene) via a Suzuki reaction. Results from this and other coupled products will be presented.

Thiophene rings as semiconductor building blocks

251st National Meeting (2016)

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