Aspidofractinine alkaloids from Kopsia teoi

Four new alkaloids of the aspidofractinine-type, viz, 11-hydroxy-kopsingine, 11-methoxykopsingine, 11-methoxy-12-hydroxy- kopsinol and 14,15-β-epoxykopsingine were isolated from the leaf extract of Kopsia teoi Four new alkaloids of the aspidofractinine-type, viz., 11-hydroxykopsingine, 11-methoxykop...

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Published inPhytochemistry (Oxford) Vol. 46; no. 4; pp. 789 - 792
Main Authors Kam, Toh-Seok, Yoganathan, K., Mok, Shiueh-Lian
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier Ltd 01.10.1997
Elsevier
Subjects
Apocynaccae
aspidofractinine-type indole alkaloids
Biochemistry & Molecular Biology
Biological and medical sciences
Chemical constitution
Fundamental and applied biological sciences. Psychology
Kopsia species
leaves
Life Sciences & Biomedicine
Plant physiology and development
Plant Sciences
Science & Technology
Kopsia species
Apocynaccae
leaves
aspidofractinine-type indole alkaloids
Apocynaceae
INDOLE ALKALOIDS
Alkaloid
Molecular structure
Angular nitrogen heterocycle
Dicotyledones
Angiospermae
Isolation
Spermatophyta
Plant leaf
Indole derivatives
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Summary:Four new alkaloids of the aspidofractinine-type, viz, 11-hydroxy-kopsingine, 11-methoxykopsingine, 11-methoxy-12-hydroxy- kopsinol and 14,15-β-epoxykopsingine were isolated from the leaf extract of Kopsia teoi Four new alkaloids of the aspidofractinine-type, viz., 11-hydroxykopsingine, 11-methoxykopsingine, 11-methoxy-12-hydroxy-kopsinol and 14,15-β-epoxykopsingine, were isolated from the leaf extract of Kopsia teoi. © 1997 Elsevier Science Ltd
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(97)00349-X