General synthesis route to 4-SBF
4-Spirobifluorene derivatives - A new family of host materials for PhOLEDs
Research and innovation REF: IN304 V1
General synthesis route to 4-SBF
4-Spirobifluorene derivatives - A new family of host materials for PhOLEDs

Authors : Cyril PORIEL, Joëlle RAULT-BERTHELOT

Publication date: August 10, 2017 | Lire en français

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2. General synthesis route to 4-SBF

All 4-SBF derivatives presented in this article are synthesized from 4-bromo-9,9'-spirobifluorene (4-Br-SBF) or its pinacol borane derivative (4-Pin-SBF), which are the central platforms of the synthetic routes (figure 2 ). 4-Br-SBF is obtained by following two routes presented in figure 2 , either by coupling 2,2'-dibromobiphenyl 1 and fluorenone 2 (route A

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