Anion-π Catalysis Enabled by the Mechanical Bond.
Angew Chem Int Ed Engl
; 61(12): e202115961, 2022 Mar 14.
Article
em En
| MEDLINE
| ID: mdl-35040543
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.
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Base de dados:
MEDLINE
Idioma:
En
Ano de publicação:
2022
Tipo de documento:
Article