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A new secoiridoid glycoside, isopatrinioside (1) and a new sesquiterpenoid glycoside, valeriananoid F (2), together with nine known compounds, were isolated from the roots of Valeriana jatamansi. Their structures were elucidated on the basis of spectroscopic analysis. Compound 1 was an unusual monocyclic iridoid glycoside ring-opened between C-1 and C-2 produced by the cleavage of the pyran ring....
Tanaconitine (1), a novel Aconitum alkaloid with a C 29 skeleton, together with six known diterpenoid alkaloids, was isolated from the roots of Aconitum tanguticum. The structure of 1 was elucidated to be 17-dehydroxyl-3′a(cis-1′-methyl-3′,3′a,7′,7′a-tetrahydro-1H-indol-6′(2H)-one)-naviculine A by spectroscopic analysis.
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