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Keywords:

  • hydrogen bonds;
  • ion pairs;
  • organocatalysis;
  • silicon;
  • synthetic methods
Thumbnail image of graphical abstract

A perfect pair: Silanediols are effective catalysts for the addition of silyl ketene acetals to N-acylisoquinolinium ions. Importantly, this is the first example of a silanediol plausibly participating in anion-binding catalysis, a relatively new direction in the field of hydrogen-bond-donor catalysis. The chiral, enantiopure C2-symmetric silanediol 1 catalyzes enantioselective transformations.