Pregnanes and Pregnane Glycosides from the Roots of Apocynumvenetum var. basikurumon (Apocynum. I)

FUMIKO ABE; TSUNEATSU NAGAO; YUJIRO MORI; TATSUO YAMAUCHI; YASUHISA SAIKI

doi:10.1248/cpb.35.4087

Pregnanes and Pregnane Glycosides from the Roots of Apocynumvenetum var. basikurumon (Apocynum. I)

FUMIKO ABE, TSUNEATSU NAGAO, YUJIRO MORI, TATSUO YAMAUCHI, YASUHISA SAIKI

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Keywords: Apocynaceae, Apocynum venetum var. basikurumon, pregnane, piscicidal pregnane, neridienone A, 6, 7-didehydrocortexone, teikagenin bis-desmosidic glycoside, basikoside

JOURNAL FREE ACCESS

1987 Volume 35 Issue 10 Pages 4087-4092

DOI https://doi.org/10.1248/cpb.35.4087

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Abstract

Three piscicidal pregnanes including two known defense substances of water beetles and four pregnane glycosides having the same aglycone as that of teikaside A were isolated from the roots of Apocynum venetum L. var.basikurumon HARA and their structures were determined.

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