Camptothecins and Two New Monoterpene Glucosides from Ophiorrhiza liukiuensis

Mariko Kitajima; Norie Fujii; Fumie Yoshino; Hiroshi Sudo; Kazuki Saito; Norio Aimi; Hiromitsu Takayama

doi:10.1248/cpb.53.1355

Chemical and Pharmaceutical Bulletin

Online ISSN : 1347-5223
Print ISSN : 0009-2363

Notes

Camptothecins and Two New Monoterpene Glucosides from Ophiorrhiza liukiuensis

Mariko Kitajima, Norie Fujii, Fumie Yoshino, Hiroshi Sudo, Kazuki Saito, Norio Aimi, Hiromitsu Takayama

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Keywords: Ophiorrhiza liukiuensis, alkaloid, iridoid, secoiridoid, camptothecin, β-carboline

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Volume 53 (2005) Issue 10 Pages 1355-1358

DOI https://doi.org/10.1248/cpb.53.1355

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Abstract

Two new monoterpene glucosides, demethylsecologanol and 3′′′-O-glucosylsenburiside II, were isolated from Ophiorrhiza liukiuensis (Rubiaceae) together with 23 known compounds, including camptothecins and β-carboline-type alkaloids. Their structures were determined by spectroscopic analysis.

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