Photocatalyst-Free Visible-Light Photoredox Dearomatization of Phenol Derivatives Containing Ketoximes: An Easy Access to Spiropyrrolines.
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DOI: 10.1021/acs.orglett.9b00372
Abstract: A novel and simple visible-light photoredox intramolecular dearomatization of phenol derivatives containing ketoximes leading to spiropyrrolines has been developed. The protocol uses readily available 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) as the base and electron-donor, visible light as the… read more here.
Keywords: phenol derivatives; dearomatization phenol; light photoredox; visible light ... See more keywords