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Studies On the Synthesis of Mavacurine Type Alkaloids. Synthesis of 6a-Homopleiocarpamine

 

作者: M.-Lluisa Bennasar,   Ester Zulaica,   Juan-Miguel Jimenez,   Joan Bosch,  

 

期刊: Natural Product Letters  （Taylor Available online 1992）
卷期: Volume 1, issue 1  

页码: 15-19

 

ISSN:1057-5634

 

年代: 1992

 

DOI:10.1080/10575639208048879

 

出版商: Taylor & Francis Group

 

关键词: C-mavacurine alkaloids;pleiocarpamine;nucleophilic addition;pyridinium salts;indole;vinoxine analogs

 

数据来源: Taylor

 

摘要:

Closure of the six-membered C ring of pentacyclic mavacurine type alkaloids, by formation of either C6-C7or N4-C5bonds, failed. In contrast, 6a-homopleiocarpamine has been synthesized using as the key step an electrophilic cyclization upon the indole 3-position (bond formed C6a-C7) from an appropriately substituted tetracyclic derivative having a three-carbon chain on the piperidine nitrogen.

 

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