One-Pot Synthesis of Fused-Tetracyclic Scaffolds Employing a Lewis Acid Promoted Domino Reaction of Naphthoquinones
作者:Giovanna Zinzalla、Yassine Bendiabdellah、Isabel Villanueva-Margalef、Antonio Misale、Kazi Nahar、Mohammad Haque、[nl]David Thurston
DOI:10.1055/s-0030-1260073
日期:2011.7
The facile synthesis of tetracyclic molecular frameworks employing a Lewis acid promoted domino reaction of naphthoquinones with hydroxy- and amino-functionalized cross-conjugated trienes is reported. The reaction cascade involves a heterocyclization via hemiacetal or imine formation, and an intramolecular Diels-Alder cycloaddition. tetracyclic scaffolds - naphthoquinone - Lewis acid promoted domino
据报道,利用路易斯酸促进萘醌与羟基和氨基官能化的交叉共轭三烯的多米诺反应,可以轻松合成四环分子骨架。反应级联涉及通过半缩醛或亚胺形成的杂环化,以及分子内Diels-Alder环加成。 四环支架-萘醌-路易斯酸促进多米诺反应-分子内Diels-Alder环加成