Synthesis of hydroxyflavanones from substituted acetophenones and benzaldehydes in the presence of silica gel, boric acid and piperidine

Article abstract of DOI:10.3987/com-96-7611

Direct synthesis of hydroxyflavanones from appropriately substituted acetophenones and benzaldehydes was achieved in the presence of boric acid, silica gel and piperidine. The formation of flavanones presumably involved the reaction between the acetopheno