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You searched for: Publication Year 2017 Remove constraint Publication Year: 2017 Subject glucosides Remove constraint Subject: glucosides Subject lignans Remove constraint Subject: lignans Subject term chemical structure Remove constraint Subject term: chemical structure Text availability Citation in PubAg Remove constraint Text availability: Citation in PubAg
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1. Neolignan and megastigmane glucosides from the aerial parts of Isodon japonicus with cell protective effects on BaP-induced cytotoxicity

Author:
Takahiro Matsumoto; Seikou Nakamura; Souichi Nakashima; Tomoe Ohta; Keiko Ogawa; Masashi Fukaya; Junko Tsukioka; Tomohiro Hasei; Tetsushi Watanabe; Hisashi Matsuda
Source:
Phytochemistry 2017 v.137 pp. 101-108
ISSN:
0031-9422
Subject:
aerial parts; chemical structure; cytotoxicity; glucosides; lignans; nuclear magnetic resonance spectroscopy; protective effect; spectral analysis; Japan
Abstract:
... Six neolignan glucosides, named isodonosides I–VI, and a megastigmane glucoside named isodonmegastigmane I, were isolated together with 15 known compounds from the methanolic extract of aerial parts of Isodon japonicus cultivated in Tokushima, Japan. The chemical structures of the compounds were elucidated based on their MS and NMR spectroscopic analysis. The absolute configurations of the neolign ...
DOI:
10.1016/j.phytochem.2017.02.007

2. A New Insecticidal Lignan Glucoside from Galium verum

Author:
Jia Chen; Chun-Chao Zhao; Jian-Hua Shao; Ju-Di Fan; Xu-Hua Huang
Source:
Chemistry of natural compounds 2017 v.53 no.4 pp. 626-628
ISSN:
0009-3130
Subject:
Galium verum; Helicoverpa armigera; Scorpiones; chemical structure; glucosides; insecticidal properties; lignans; mortality; poisoning; scorpion venoms; spectral analysis; stomach; toxicity
Abstract:
... A new lignan glucoside, galiveroside A (1), and seven known compounds (2–8), were isolated from Galium verum L. The structure of 1 was elucidated on the basis of extensive spectroscopic analyses. Compound 1, at the concentration of 5 mg/mL, showed insecticide activity to 3 age cotton bollworm with a mortality of 16.3% through stomach poisoning. When combined with a recombinant scorpion toxin rLqh ...
DOI:
10.1007/s10600-017-2075-3

3. A New Lignan Glucoside from Cyclea racemosa

Author:
Jian-Hua Shao; Xue-Wei Zhang; Zi-Ling Dong; Si-Hui Li; Ben-Jie Miao; Ke-Zhi Cheng
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1025-1027
ISSN:
0009-3130
Subject:
Cyclea; chemical structure; glucosides; lignans; spectral analysis
Abstract:
... A new lignan glucoside 1, along with two known lignans (2, 3), was isolated from Cyclea racemosa Oliv. Its structure was elucidated as (+)-7′-methoxylariciresinol 4-O-β-D-glucopyranoside on the basis of extensive spectroscopic analyses. ...
DOI:
10.1007/s10600-017-2193-y

4. Two new lignan-iridoid glucoside diesters from the leaves of Vaccinium bracteatum and their relative and absolute configuration determination by DFT NMR and TDDFT-ECD calculation

Author:
Yong-Mei Ren; Chang-Qiang Ke; Attila Mándi; Tibor Kurtán; Chunping Tang; Sheng Yao; Yang Ye
Source:
Tetrahedron 2017 pp. -
ISSN:
0040-4020
Subject:
Vaccinium bracteatum; biochemical pathways; chemical reactions; chemical structure; circular dichroism spectroscopy; glucosides; iridoids; leaves; lignans; nuclear magnetic resonance spectroscopy; spectral analysis
Abstract:
... Two new lignan-iridoid glucoside diesters (2 and 3), together with their putative biosynthetic precursor 10-O-trans-caffeoyl-6α-hydroxyl-dihydromonotropein (1), were characterized from the leaves of Vaccinium bracteatum. Their planar structures and relative configuration were elucidated by spectroscopic measurements and DFT C NMR calculations, and their absolute configurations were determined by t ...
DOI:
10.1016/j.tet.2017.04.040