Asymmetric [2+2] photocycloaddition via charge transfer complex for the synthesis of tricyclic chiral ethers
- 10 February 2021
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- Vol. 57 (24), 3046-3049
- https://doi.org/10.1039/d1cc00035g
Abstract
The asymmetric synthesis of chiral polycyclic ethers by an intramolecular [2+2] photocycloaddition is described. This process proceeded through a photocatalytically active iminium ion-based charge transfer (CT) complex under visible light irradiation. In this way a stereocontrolled [2+2] photocycloaddition is enabled leading to tricyclic products with good enantiomeric ratios.Funding Information
- European Research Council (ERC-CoG, Contract No. 647550)
- Comunidad de Madrid
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