Nimm das Salz: Die palladiumkatalysierte decarboxylierende Kupplung von Cyanacetatsalzen und deren mono‐ und disubstituierten Derivaten mit Arylchloriden, ‐bromiden und ‐triflate (siehe Schema; S‐Phos=2‐(2,6‐Dimethoxybiphenyl)dicyclohexylphosphan), Xant‐Phos=4,5‐Bis(diphenylphosphanyl)‐9,9‐dimethylxanthen) ist ein potenziell nützliches Verfahren zur Herstellung vielfältiger α‐Arylnitrile. Die Reaktion ist gut verträglich mit funktionellen Gruppen.
Using diverse carbon-centered radical precursors and electron-rich (hetero)aromatics and alcohols as nucleophiles, a visible-light driven chiral phosphoric acid (CPA) catalyzed asymmetric intermolecular, three-component radical-initiated dicarbofunctionalization and oxytrifluoromethylation of enamines was...
A protocol for the chemical divergent synthesis of β-lactams and α-amino acid derivatives with isothiourea (ITU) catalysis by switching solvents was developed. The stereospecific Mannich reaction occurring between imine and...
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