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Die synergistische Katalyse eines Dipeptidphosphoniumsalzes und einer Lewis‐Säure wird von Zhishan Su, Tianli Wang et al. in ihrem Forschungsartikel (e202207334) für die asymmetrische Synthese von N‐verbrückten [3.2.1]‐Ringsystemen verwendet. Das Bild zeigt den Übergangszustand der Reaktion mit dem Phosphoniumsalz links oben und den Substraten Vinylsulfon und cyclisches Imin links bzw. rechts unten...
We present an unprecedented synergic catalytic route for the asymmetric construction of fluorinated N‐bridged [3.2.1] cyclic members of tropane family via a bifunctional phosphonium salt/silver co‐catalyzed cyclization process. A broad variety of substrates bearing an assortment of functional groups are compatible with this method, providing targeted compounds bearing seven‐membered ring and four...
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