5 years ago

Synthesis and Properties of Functional Twisted Tolanes

Synthesis and Properties of Functional Twisted Tolanes
Uwe H. F. Bunz, Andreas Dreuw, Maximilian Krämer, Yury Kozhemyakin, Frank Rominger, Andreas Kretzschmar
The synthesis and optical properties of several novel fluorescent and/or phosphorescent bridged tolanes (tolanophanes) are reported and their optical and structural properties are investigated. Specifically, diiodinated and bisalkynylated tolanophanes were obtained, and characterized by spectroscopy and computational methods. They represent attractive building blocks for novel polymers and emissive solid-state materials. Let's twist again: We access a family of twisted tolanes carrying iodine and alkynyl substituents. The functionalized twisted tolanes show optical and electronic properties that are surprisingly different from those of the unsubstituted twisted tolane.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201701519

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