Ein neuer Abbau des Indolalkaloids Kopsin; chemische Korrelierung der Alkaloide vom Kopsin‐ und Pleiocarpin‐Typ mit Minovincin
作者:
A. Guggisberg,
A. A. Gorman,
B. W. Bycroft,
H. Schmid,
期刊:
Helvetica Chimica Acta
(WILEY Available online 1969)
卷期:
Volume 52,
issue 1
页码: 76-89
ISSN:0018-019X
年代: 1969
DOI:10.1002/hlca.19690520108
出版商: WILEY‐VCH Verlag GmbH
数据来源: WILEY
摘要:
AbstractA new chemical degradation of (–)‐kopsine is described which completely confirms the structure of this alkaloid. Correlation of (–)‐aspidofractinine, (–)‐pleiocarpine and (–)‐kopsine with (–)‐minovincine establishes the absolute stereochemistry of these bases. It appears that, in contrast to the aspidospermine group, all alkaloids containing the aspidofractinine skeleton possess the same absol
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