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Thioharnstoffe ‐‐ populäre H‐Brückendonoren in der Organokatalyse – wirken als Lewis‐basische Sekundärliganden bei der CuI‐Katalyse in der Zuschrift von N. Kumagai, M. Shibasaki et al. auf S. 2670. Achirale trisubstituierte Thioharnstoffe spielen eine entscheidende Rolle bei der Steuerung des stereochemischen Verlaufs der CuI‐katalysierten direkten Kupplung von α‐fluorierten Nitrilen und Aldiminen...
Thioureas have emerged as effective hydrogen‐bonding catalysts over the last two decades, and they are broadly utilized in asymmetric catalysis. We report that achiral trisubstituted thioureas function as beneficial secondary ligands to CuI catalysts, thereby enabling highly diastereo‐ and enantioselective addition of α‐fluoronitriles to imines. The structure of the thiourea significantly affects...
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