Indole Alkaloids from the Leaves of Alstonia villosa in Sunbawa (Alstonia 6)

Fumiko ABE; Tatsuo YAMAUCHI; Hirotaka SHIBUYA; Isao KITAGAWA; Masami YAMASHITA

doi:10.1248/cpb.46.1235

Fumiko ABE, Tatsuo YAMAUCHI, Hirotaka SHIBUYA, Isao KITAGAWA, Masami YAMASHITA

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Keywords: indole alkaloid, 3, 4-dihydroquinoline alkaloid, Alstonia villosa, Apocynaceae

JOURNAL FREE ACCESS

1998 Volume 46 Issue 8 Pages 1235-1238

DOI https://doi.org/10.1248/cpb.46.1235

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Abstract

Seventeen alkaloids were isolated from the air-dried leaves of Alstonia villosa and their structures characterized. One of the seven new alkaloids was elucidated to be (19Z)-5α-methoxyrhazimine, having a 3, 4-dihydroquinoline nucleus.

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