Palladium (II)-catalysed total synthesis of naturally occurring pyrano [3, 2-a] carbazole and pyrano [2, 3-b] carbazole alkaloids

…, A Jäger, AW Schmidt, HJ Knölker

文献索引：Hesse, Ronny; Jaeger, Anne; Schmidt, Arndt W.; Knoelker, Hans-Joachim Organic and Biomolecular Chemistry, 2014 , vol. 12, # 23 p. 3866 - 3876

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被引用次数: 32

摘要

Seven naturally occurring pyranocarbazole alkaloids (pyrayafoline A–E, O- methylmurrayamine A and O-methylmahanine) have been obtained by total synthesis using a palladium (II)-catalysed oxidative cyclisation of a diarylamine to an orthogonally diprotected 2, 7-dihydroxycarbazole as key step.