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Ir-Catalyzed Direct Borylation at the 4‑Position of Pyrene

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posted on 17.08.2012, 00:00 by Zhiqiang Liu, Yuanyuan Wang, Ying Chen, Jie Liu, Qi Fang, Christian Kleeberg, Todd B. Marder
The first direct borylation of a C–H bond at the 4-position of pyrene was achieved using [Ir­(COD)­Cl]2/dtbpy as the catalyst precursor and B2pin2 as the boron source. The position-related photophysical properties of pyrene derivatives are reported.