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Issue 40, 2014
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Synthesis of the 6,6,5,7-tetracyclic core of daphnilongeranin B

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Abstract

An efficient approach toward the synthesis of the 6,6,5,7-tetracyclic core of the daphnilongeranin B, a Daphniphyllum alkaloid, is reported. The bridged 6,6-bicyclic system was constructed using a gold(I) catalysed Conia-ene reaction, while the 5- and 7-membered rings were assembled by two diastereoselective Michael addition reactions, respectively.

Graphical abstract: Synthesis of the 6,6,5,7-tetracyclic core of daphnilongeranin B

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Article information


Submitted
14 Oct 2013
Accepted
11 Dec 2013
First published
12 Dec 2013

Chem. Commun., 2014,50, 5294-5297
Article type
Communication

Synthesis of the 6,6,5,7-tetracyclic core of daphnilongeranin B

X. Xiong, Y. Li, Z. Lu, M. Wan, J. Deng, S. Wu, H. Shao and A. Li, Chem. Commun., 2014, 50, 5294
DOI: 10.1039/C3CC47873D

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