213819-66-0Relevant articles and documents
Novel (E)- and (Z)-2-styrylchromones from (E,E)-2′-hydroxycinnamylideneacetophenones - Xanthones from daylight photooxidative cyclization of (E)-2-styrylchromones
Silva, Artur M. S.,Pinto, Diana C. G. A.,Tavares, Hilario R.,Cavaleiro, Jose A. S.,Jimeno, M. Luisa,Elguero, Jose
, p. 2031 - 2038 (2007/10/03)
The oxidative cyclization of (E,E)-2′-hydroxycinnamylideneacetophenones 1a-e, and (E,E)-2′-benzyloxy-6′-hydroxycinnamylideneacetophenones 1i-1 with DMSO/ iodine, gave (E)-2-styrylchromones 3a-e,i-1. However, in the case of (E,E)-γ-alkyl-2′-hydroxycinnamyl