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cephalaria transsylvanica/glycoside
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A new lignan glycoside and other constituents from Cephalaria ambrosioides.
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A new lignan glycoside, 1,5-dihydroxy-2-(4"-beta-D-glucopyranosyloxy-3"-methoxyphenyl)-6-(4'-hydroxy-3'-methoxyphenyl)-3,7-dioxabicyclo[3.3.0]octane, named ambrosidine ([structure: see text]), along with seven known compounds (four iridoids and three hydroxycinnamic esters) were isolated from the
Structural elucidations and spectral assigments of two novel triterpene glycosides from Cephalaria paphlagonica.
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Two novel triterpene glycosides, paphlagonoside A (1) and B (2), were characterised as 28-O-[beta-D-glucopyranosyl(1 --> 2)-alpha-L-arabinopyranosyl(1 --> 4)-beta-D-glucopyranosyl]-hederagenin (1) and 28-O-[beta-D-xylopyranosyl(1 --> 4)-alpha-L-rhamnopyranosyl(1 --> 3)-beta-D-xylopyranosyl (1 -->
Antimicrobially active hederagenin glycosides from Cephalaria elmaliensis.
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A phytochemical investigation of the aerial parts of Cephalaria elmaliensis resulted in the isolation of ten hederagenin-type triterpene saponins (1-10) including three new ones, elmalienoside A (1), elmalienoside B (2), elmalienoside C (3), and two known flavonoid glycosides (11-12). Their
An acidic triterpene glycoside from Cephalaria transsylvanica.
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Transsylvanoside B, which is a new acidic triterpene glycoside, was isolated from dried flowers of Cephalaria transsylvanica. The structure was determined as 3-O-[beta-D- glucopyranosyl(1-->2)-beta-D-xylopyranosyl(1-->4)-alpha-L-rhamnopyran osy l (1-->4)-beta-D-xylopyranosyl]-3 beta,23-dihydroxy
Transsylvanoside A, an acidic triterpene glycoside from Cephalaria transsylvanica.
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A new acidic triterpene glycoside, transsylvanoside A, was isolated from dried flowers of Cephalaria transsylvanica. The structure was determined to be 3-O-[beta-D-glucopyranosyl(1-->6)-beta-D-glucopyranosyl(1-->4)-al pha-L-rhamnopyranosyl(1-->4)-beta-D-xylopyranosyl]-3beta,23-dihydroxy
Triterpenoid glycosides from Cephalaria transsylvanica.
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On the basis of spectroscopic and chemical methods, the structures of two new triterpenoid glycosides, transsylvanoside E and F, isolated from Cephalaria transsylvanica have been established as 3-O-[beta-D-xylopyranosyl (1-->3)-alpha-L-rhamnopyranosyl (1-->4)-beta-D-glucopyranosyl
Antimicrobial triterpenoid glycosides from Cephalaria scoparia.
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Five new oleanane-type triterpenoid glycosides (1-5), named scoposides A-E, along with one known bisdesmosidic triterpene glycoside, were isolated from the aerial parts of Cephalaria scoparia. Three prosapogenins (2a-4a) were also obtained after alkaline hydrolysis of the bisdesmosidic compounds
Hederagenin glycosides from the flowers of Cephalaria transsylvanica.
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Three new triterpenoidal saponins, 3-O-[beta-D-glucopyranosyl(1-->4)-beta-D-Glucopyranosyl(1-->3)-alpha-L- rhamnopyranosyl (1-->4)-beta-D-xylopyranosyl]-hederagenin 28-O-[beta-D-glucopyranosyl (1-->4)-beta-D-glucopyranosyl] ester (1), 3-O-[beta-D-glucopyranosyl
Isolation and identification of a new saponin from Cephalaria aytachii.
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A new hederagenin-type triterpenoid glycoside (1) named Aytachoside A, along with eight known triterpene glycosides, were isolated from the aerial parts of Cephalaria aytachii Gokturk and Sumbul (Dipsacaceae). The structures of compounds 1-9 were determined by spectroscopic (1D and 2D NMR, HRESIMS)
Toxicity of Cephalaria Species and their Individual Constituents against Aedes aegypti.
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Crude acetone and ethanol extracts of the aerial parts of 21 Cephalaria species collected from Turkey were investigated for larvicidal and adult topical activity against Aedes aegypti. The ethanol extracts from C. elazigensis var. purpurea, C. anatolica, and C. elmaliensis possessed the highest
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