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Through a computer‐guided approach, new series of monophosphine ligands were designed and developed for asymmetric Suzuki–Miyaura couplings of challenging heterocyclic substrates. Computer modeling pointed to a tunable, yet unexplored quadrant in BI‐DIME, leading to the discovery of the 3′,5′‐dimethyl‐substituted ligand which improved the atropisomeric selectivity of the Suzuki–Miyaura reaction from...
7′‐Hydroxyriccardin C (1) and marchantin E (2), two macrocyclic bisbibenzyls with a stereogenic center at the ethylene bridge from Chinese liverworts, were investigated stereochemically. Compound 1 was found to be optically active and occurred as a pair of dynamically interchangeable atropisomers at room temperature due to the low barrier of rotation around the biaryl bond, while 2 was a racemic mixture,...
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