Novel Synthesis of 4-Arylsulfenyl-3-hydroxy-2-pyrone: One Pot Substitution-Rearrangement-Cyclization Reaction of Acetonide Protected 4,5-Dihydroxy-2-chloroglycidic Ester by Sodium Arylthiolate
Synthesis of Anthraquinone Derivatives: Tandem Diels-Alder-Decarboxylation-Oxidation Reaction of 3-Hydroxy-2-pyrone with 1,4-Naphthoquinone
作者:Sadao Tsuboi、Takuzo Komiyama、Yutaka Takaguchi
DOI:10.1055/s-2005-922769
日期:——
In the presence of triethylamine, the Diels-Alder reaction of 3-hydroxy-2-pyrones with 1,4-naphthoquinones by a decarboxylation-oxidation process gave anthraquinonederivatives in good to excellent yields.