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Benzo[b]phosphole derivatives have attracted significant attention for their unique optoelectronic properties with potential for application in materials science. Herein we report a modular approach to a benzo[b]phosphole derivative based on a one‐pot sequential coupling of an arylzinc reagent, an alkyne, dichlorophenylphosphine (or phosphorus trichloride and a Grignard reagent), and an oxidant (for...
Ein Cobalt‐Xantphos‐Komplex katalysiert die Addition eines Arylzinkreagens an ein nichtaktiviertes internes Alkin. Die Reaktion beinhaltet wahrscheinlich die Insertion des Alkins in eine Arylcobaltspezies mit anschließender 1,4‐Wanderung des Cobaltfragments von der Vinyl‐ zur Aryleinheit, gefolgt von Transmetallierung mit dem Arylzinkreagens. Die resultierende ortho‐Alkenylaryl‐Zinkspezies reagiert...
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