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Anion-π Catalysis Enabled by the Mechanical Bond.


ABSTRACT: We report a series of rotaxane-based anion-π catalysts in which the mechanical bond between a bipyridine macrocycle and an axle containing an NDI unit is intrinsic to the activity observed, including a [3]rotaxane that catalyses an otherwise disfavoured Michael addition in >60 fold selectivity over a competing decarboxylation pathway that dominates under Brønsted base conditions. The results are rationalized by detailed experimental investigations, electrochemical and computational analysis.

SUBMITTER: Maynard JRJ 

PROVIDER: S-EPMC9303940 | biostudies-literature |

REPOSITORIES: biostudies-literature

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