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Australine and related alkaloids: easy structural confirmation by C-13 NMR spectral data and biological activities

Abstract:

The first polyhydroxylated pyrrolizidine alkaloid with a hydroxymethyl group at C-3 was isolated from pods of Alexa leiopetala (Leguminosae) and designated alexine 1. The Australian legume Castanospermum australe is also known to produce the same structural type of pyrrolizidines. There are reports of the isolation of australine (7a-epi-alexine) 2, 1-epi-australine 3, 3-epi-australine 4, and 7-epi-australine 5 from this plant to date. Their unambiguous syntheses established that the natural p...

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Publication status:
Published

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Authors


Molyneux, RJ More by this author
Watson, AA More by this author
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Journal:
TETRAHEDRON-ASYMMETRY
Volume:
14
Issue:
3
Pages:
325-331
Publication date:
2003-02-07
DOI:
ISSN:
0957-4166
URN:
uuid:1ae3b272-fd7f-4a81-8926-f412f6a65ed6
Source identifiers:
38528
Local pid:
pubs:38528
Language:
English

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