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Iridoid glycosides and cucurbitacin glycoside from Neopicrorhiza scrophulariiflora
Ik Hwi Kim1, Nahoko Uchiyama, Nobuo Kawahara
1National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan.
Phytochemistry
|October 31, 2006
Abstract:
Three iridoid glycosides, picrorosides A (1), B (2) and C (3), and a cucurbitacin glycoside, scrophoside A (4), were isolated from the rhizomes of Neopicrorhiza scrophulariiflora (Scrophulariaceae), along with two known iridoid glycosides, picrosides I (5) and II (6), and three known cucurbitacin glycosides (7-9). Their structures were elucidated on the basis of both chemical and spectroscopic data.
