The curious case of a sterically crowded Stenhouse salt

We report a peculiar Stenhouse salt. It does not evolve into cyclopentenones upon basification{,} due to the steric hindrance of its bulky stable carbene patterns. This allowed for the observation and characterization of the transient open-chain neutral derivative{,} which was isolated as its cyclized form. The latter features an unusually long reactive C–O bond (150 pm) and a rich electrochemistry{,} including oxidation into an air-persistent radical cation.

Références

Titre
The curious case of a sterically crowded Stenhouse salt
Type de publication
Article de revue
Année de publication
2022
Revue
Chem. Sci.
Volume
13
Pagination
9755-9760
Soumis le 12 septembre 2022