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Photochemical [2+4]‐Dimerization Reaction from the Excited State.
- Source :
- Angewandte Chemie International Edition; Jan2024, Vol. 63 Issue 4, p1-8, 8p
- Publication Year :
- 2024
-
Abstract
- Aryl‐maleimides undergo a novel [2+4]‐photodimerization instead of the expected [2+2]‐photodimerization under both direct irradiation with visible light and under sensitized energy transfer conditions. This new excited state reactivity in aryl‐maleimides is deciphered through photochemical, photophysical, and spectroscopic studies. The stereochemistry of the photodimer depends on the type of non‐bonding interactions prevalent during photodimerization which is in turn dictated by the substituents on the maleimide ring. More importantly, the stereochemistry of the photodimer formed is complementary to the product observed under thermal conditions. [ABSTRACT FROM AUTHOR]
- Subjects :
- EXCITED states
PHOTODIMERIZATION
VISIBLE spectra
ENERGY transfer
STEREOCHEMISTRY
Subjects
Details
- Language :
- English
- ISSN :
- 14337851
- Volume :
- 63
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Angewandte Chemie International Edition
- Publication Type :
- Academic Journal
- Accession number :
- 174782105
- Full Text :
- https://doi.org/10.1002/anie.202316662