Palladium(II)-Catalyzed Synthesis of the Formylcarbazole Alkaloids Murrayaline A-C, 7-Methoxymukonal, and 7-Methoxy-<i>O</i>-methylmukonal
作者:Ronny Hesse、Micha P. Krahl、Anne Jäger、Olga Kataeva、Arndt W. Schmidt、Hans-Joachim Knölker
DOI:10.1002/ejoc.201402201
日期:2014.7
We describe the synthesis of the naturally occurring 2,7-dioxygenated formylcarbazole alkaloids 7-methoxymukonal, 7-methoxy-O-methylmukonal, and the murrayalines A–C. The carbazole framework was constructed by a Buchwald–Hartwig amination and a subsequent palladium(II)-catalyzed oxidative cyclization.
我们描述了天然存在的 2,7-双氧合甲酰咔唑生物碱 7-甲氧基 mukonal、7-甲氧基-O-methylmukonal 和 murrayalines A-C 的合成。咔唑骨架是通过 Buchwald-Hartwig 胺化和随后的钯(II)催化氧化环化构建的。