Výsledky vyhledávání - "Ian Lih Tsai"

Chemical constituents and anti-platelet aggregation activity from the root of Peucedanum formosanum

Autor: Ian-Lih Tsai, Peng-Yin Chen, Chin-Chung Wu, Yu-Chang Chen, Ih-Sheng Chen

Publikováno v: Journal of Food and Drug Analysis. 16

Analysis of the root extract of Peucedanum formosanum (Taiwan Qian-Hu) led to the isolation of 32 known compounds. The structures of these isolates were determined by spectral data. Some of them displayed strong anti-platelet aggregation activities.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::199509dfcb464a7c848fc72a0f9daa07
https://doi.org/10.38212/2224-6614.2357

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Triterpenoids from the Roots of Rhaphiolepis indica var. tashiroi and Their Anti-Inflammatory Activity

Autor: Hsun-Shuo Chang, Ih-Sheng Chen, Hsiang-Ruei Liao, Ian-Lih Tsai, Chu-Hung Lin

Publikováno v: International Journal of Molecular Sciences, Vol 14, Iss 5, Pp 8890-8898 (2013)
International Journal of Molecular Sciences
Volume 14
Issue 5
Pages: 8890-8898

Two new triterpenoids, 2α,3β-dihydroxyolean-11,13(18)-dien-19β,28-olide (1) and 3β,5β-dihydroxyglutinol (2), together with eight known compounds (3–10) were isolated from the roots of Rhaphiolepis indica var. tashiroi (Rosaceae). The structure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::223dc73e6ada934ac02b0e705a1541a9
http://www.mdpi.com/1422-0067/14/5/8890

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Secondary metabolites from the root of Ehretia longiflora and their biological activities

Autor: Chien-Fang Peng, Yu-Chieh Chien, Ih-Sheng Chen, Hsun-Shuo Chang, Chu-Hung Lin, Ian-Lih Tsai, Chang-Hui Liao, Michael Y. Chiang

Publikováno v: Phytochemistry. 80:50-57

Bioassay-guided fractionation of the methanolic extract of the root of Ehretia longiflora (Boraginaceae) afforded eight compounds, ehretiquinone (1), ehretiolide (2), ehreticoumarin (3), ehretilactone A (4), ehretilactone B (5), ehretiamide (6), ehre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::855708d6f3a93a015c4475f848633caa
https://doi.org/10.1016/j.phytochem.2012.04.013

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Antitubercular Chromones and Flavonoids from Pisonia aculeata

Autor: Chien-Fang Peng, Ian-Lih Tsai, Ih-Sheng Chen, Ming-Chun Wu

Publikováno v: Journal of Natural Products. 74:976-982

Three new chromones, pisonins A (1), B (2), and D (4), two new flavonoids, pisonivanone [(2S)-5,7,2′-trihydroxy-8-methylflavanone] (7) and pisonivanol [(2R,3R)-3,7-dihydroxy-5,6-dimethoxyflavanone] (8), one new isoflavonoid, pisonianone (5,7,2′-t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b3d873e80feff4fd30e5d498b6fadb7
https://doi.org/10.1021/np1008575

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Anti-inflammatory Biphenyls and Dibenzofurans from Rhaphiolepis indica

Autor: Tai-Hsin Ou, Hsun-Shuo Chang, Chu-Hung Lin, Chang-Hui Liao, Ih-Sheng Chen, Ian-Lih Tsai

Publikováno v: Journal of Natural Products. 73:1628-1631

Bioassay-guided fractionation of the methanolic extract of the roots of Rhaphiolepis indica var. tashiroi afforded four new dibenzofurans, 2-hydroxy-3,4,6-trimethoxydibenzofuran (1), 2-hydroxy-3,4,9-trimethoxydibenzofuran (2), 2-hydroxy-3,4,6,9-tetra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0e4aeb3ae5fe7ac0fcb96753ee4bc99
https://doi.org/10.1021/np100200s

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2,3-Dichloro-5,6-dicyanobenzoquinone (DDQ) mediated oxidation-dehydrogenation of 2-aroyl-3,4-dihydro-2H-benzopyrans : synthesis of 2-aroylbenzopyran-4-ones

Autor: Po-Yuan Chen, Liang-Yeu Chen, Sie-Rong Li, Tzu-Pin Wang, Ho-Chiang Chang, Ian-Lih Tsai, Eng-Chi Wang

Publikováno v: ARKIVOC, Vol 2010, Iss 11, Pp 64-76 (2010)

DDQ mediated an oxidation-dehydrogenation of 2-aroyl-3,4-dihydro-2H-benzopyran prepared from salicylaldehyde to yield 2-aroylbenzopyran-4-one. Stochiometric amount of DDQ, acetic acid and water in refluxing dioxane are the optimal condition for this

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a572a4bfed94181940c329937c9f2ce5
https://doi.org/10.3998/ark.5550190.0011.b07

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Cryptocaryone, a Natural Dihydrochalcone, Induces Apoptosis in Human Androgen Independent Prostate Cancer Cells by Death Receptor Clustering in Lipid Raft and Nonraft Compartments

Autor: Ian-Lih Tsai, Ih-Sheng Chen, Yi-Cheng Chen, Fan-Lu Kung, Tsung-Hsien Chou, Jih-Hwa Guh

Publikováno v: Journal of Urology. 183:2409-2418

Androgen refractory prostate cancer is a major clinical challenge. Treatment approaches to prostate cancer are based on various mechanisms that cause malignant cell apoptosis. Of these strategies the anticancer effect of triggering death receptors is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37d3fd27541545d229dad798098a1ee0
https://doi.org/10.1016/j.juro.2010.01.065

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Cytotoxic alkyl benzoquinones and alkyl phenols from Ardisia virens

Autor: Ih-Sheng Chen, Hsun-Shuo Chang, Wei-Yu Lin, Shiow-Ju Lee, Yi-Ju Lin, Ian-Lih Tsai, Cheng-Wei Yang

Publikováno v: Phytochemistry. 70:2064-2071

Bioassay-guided fractionation of roots and stems of Ardisia virens Kurz (Myrsinaceae) led to isolation of fourteen compounds, (2'R)-6-(2'-acetoxypentadecyl)-5-hydroxy-2-methoxy-1,4-benzoquinone (1), (2'R)-6-(2'-acetoxytridecyl)-5-hydroxy-2-methoxy-1,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da2ba21e2c13ec88a09474c5d8761a6b
https://doi.org/10.1016/j.phytochem.2009.09.006

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Constituents of the Root Wood of Zanthoxylum wutaiense with Antitubercular Activity

Autor: Ian-Lih Tsai, Tsutomu Ishikawa, Ih-Sheng Chen, Chien-Fang Peng, Hung-Yi Huang

Publikováno v: Journal of Natural Products. 71:1146-1151

Bioassay-guided fractionation of the root wood of Zanthoxylum wutaiense led to the isolation of 11 new compounds, wutaiensol methyl ether (1), demethoxywutaiensol methyl ether (2), methyl wutaiensate (3), methyl 7-hydroxyanodendroate (4), methyl 7-me

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d88e508e022f4763dffa1c60815ed8a
https://doi.org/10.1021/np700719e

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