Palladium(ii)-catalysed total synthesis of naturally occurring pyrano[3,2-a]carbazole and pyrano[2,3-b]carbazole alkaloids??
Organic & Biomolecular Chemistry Pub Date: 2014-04-07 DOI: 10.1039/C4OB00367E
Abstract
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.
![Graphical abstract: Palladium(ii)-catalysed total synthesis of naturally occurring pyrano[3,2-a]carbazole and pyrano[2,3-b]carbazole alkaloids](http://scimg.chem960.com/usr/1/C4OB00367E.jpg)
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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