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Silylation of aryl bromides with disilanes of type {[2-(PGOCH2)C6H4]Me2Si}2 (PG: protecting group) successfully takes place in the presence of a Pd/Ruphos or Davephos/CuI catalytic system to afford HOMSi reagents containing various functional groups in good yields. BisHOMSi reagents were also prepared directly from the corresponding arylene dibromides.
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Minami et al. (2013) studied this question.
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