In:
Angewandte Chemie, Wiley, Vol. 127, No. 19 ( 2015-05-04), p. 5684-5687
Abstract:
Perforalactone A ( 1 ), a new 20 S quassinoid with a unique cagelike 2,4‐dioxaadamantane ring system and a migrated side chain, was isolated from the plant Harrisonia perforata together with two biosynthetically related new quassinoids. The structures of these natural products were elucidated by NMR spectroscopy, X‐ray diffraction analysis, computational modeling, and the CD excitation chirality method. The compounds exhibited notable biological properties, including insecticidal activity against Aphis medicaginis Koch and antagonist activity at the nicotinic acetylcholine receptor of Drosophila melanogaster . The structural features of these compounds may be related to their promising biological characteristics. Their biosynthesis and an alternative origin of quassinoid‐type natural products are also discussed.
Type of Medium:
Online Resource
ISSN:
0044-8249
,
1521-3757
DOI:
10.1002/ange.v127.19
DOI:
10.1002/ange.201412126
Language:
German
Publisher:
Wiley
Publication Date:
2015
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514305-6
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505872-7
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1479266-7
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