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We have discovered that the racemization of configurationally stable, axially chiral 2,2′‐dihydroxy‐1,1′‐biaryls proceeds with a catalytic amount of a cyclopentadienylruthenium(II) complex at 35–50 °C. Combining this racemization procedure with lipase‐catalyzed kinetic resolution led to the first lipase/metal‐integrated dynamic kinetic resolution of racemic axially chiral biaryl compounds. The method...
Radikalische Racemisierung beeinträchtigt oft die Herstellung von optisch reinen 1,1′‐Bi‐2‐naphtholen in übergangsmetallkatalysierten oxidativen Kupplungen von 2‐Naphtholen. In ihrer Zuschrift auf S. 10435 verwenden S. Akai et al. diese unerwünschte Racemisierung und etablieren die erste Lipase/Ru‐integrierte dynamische kinetische Racematspaltung von racemischen C1‐ und C2‐symmetrischen Biaryldiolen,...
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