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Title: Hydroselenation of olefins: elucidating the β-selenium effect

Journal Article · · Chemical Science
DOI: https://doi.org/10.1039/D4SC05766J · OSTI ID:2478738

We report a light-promoted hydroselenation of alkenes with high anti-Markovnikov selectivity. Blue light activates an aryl diselenide to generate a seleno radical with subsequent addition into an alkene to form a β-seleno carbon radical. Hydrogen atom transfer (HAT) from the selenol to the carbon radical generates the linear selenide with high selectivity in preference to the branched isomer. These studies reveal a unique β-selenium effect, where a selenide β to a carbon radical imparts high anti-selectivity for radical addition through delocalization of the HAT transition state.

Research Organization:
Univ. of California, Irvine, CA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0025405
OSTI ID:
2478738
Journal Information:
Chemical Science, Journal Name: Chemical Science Journal Issue: 48 Vol. 15; ISSN 2041-6539; ISSN 2041-6520
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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