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Symmetric Six-Fold Arrays of Photo- and Electrochromic Dithienylethene Switches

By Ben L. Feringa, Wesley R. Browne, Hella Logtenberg and Jetsuda Areephong


The direct synthesis of six-fold symmetric hexaphenylbenzenes with multiple photochromic dithienylethene units via a cobalt-catalyzed cyclotrimerization is reported. This approach allows for six photochromic units to be held in proximity with a well-defined spatial separation without affecting the photochromic properties of each unit.

Year: 2010
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