Photochemical Aryl Radical Cyclizations to Give (E)-3-Ylideneoxindoles

oleh: Michael Gurry, Ingrid Allart-Simon, Patrick McArdle, Stéphane Gérard, Janos Sapi, Fawaz Aldabbagh

Format: Article
Diterbitkan: MDPI AG 2014-09-01

Deskripsi

(E)-3-Ylideneoxindoles are prepared in methanol in reasonable to good yields, as adducts of photochemical 5-exo-trig of aryl radicals, in contrast to previously reported analogous radical cyclizations initiated by tris(trimethylsilyl)silane and azo-initiators that gave reduced oxindole adducts.