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Isoflavanones from the Stem of Cassia siamea and Their Anti-tobacco Mosaic Virus Activities
Hu, Qiu-Fen,Niu, De-Yun,Zhou, Bin,Ye, Yan-Qing,Du, Gang,Meng, Chun-Yang,Gao, Xue-Mei Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.10
Two new isoflavanones, (3R) 7,2',4'-trihydroxy-3'-methoxy-5-methoxycarbonyl-isoflavanone (1) and (3R) 7,2'-dihydroxy-3',4'-dimethoxy-5-methoxycarbonyl-isoflavanone (2), together with six known isoflavanones (3-8), were isolated from the stems of Cassia siamea. The structure of 1-8 was elucidated by spectroscopic methods including extensive 1D- and 2D-NMR techniques. Compounds 1, 2, 5-8 were evaluated for their anti-tobacco mosaic virus (Anti-TMV) activity. The results showed that compounds 1 and 6 showed potential anti-TMV activity with inhibition rates of 24.6% and 26.9%, respectively. Compounds 2, 5, 7, 8 also showed anti-TMV activity with inhibition rates in the range of 11.8-18.6%.
Xiao, Wei-Lie,Shen, Yun-Heng,Niu, Xue-Mei,Sun, Han-Dong,Li, Sheng-Hong 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.7
Two new coumarin glucosides, $11-O-{\beta}-D-glucopyranosyl$ thamnosmonin (1) and $12-O-{\beta}-D-glucopyranosyl$ gosferol (2), were isolated from the roots of Angelica apaensis. Their structures were elucidated spectroscopically. Both compounds showed weak inhibitory effects on rabbit platelet aggregation induced by PAF, AA and APD.
Isoflavanones from the Stem of Cassia siamea and Their Anti-tobacco Mosaic Virus Activities
Qiu-Fen Hu,De-Yun Niu,Bin Zhou,Yan-Qing Ye,Gang Du,Chun-Yang Meng,Xue-Mei Gao 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.10
Two new isoflavanones, (3R) 7,2',4'-trihydroxy-3'-methoxy-5-methoxycarbonyl-isoflavanone (1) and (3R) 7,2'-dihydroxy-3',4'-dimethoxy-5-methoxycarbonyl-isoflavanone (2), together with six known isoflavanones (3-8), were isolated from the stems of Cassia siamea. The structure of 1-8 was elucidated by spectroscopic methods including extensive 1D- and 2D-NMR techniques. Compounds 1, 2, 5-8 were evaluated for their antitobacco mosaic virus (Anti-TMV) activity. The results showed that compounds 1 and 6 showed potential anti- TMV activity with inhibition rates of 24.6% and 26.9%, respectively. Compounds 2, 5, 7, 8 also showed anti- TMV activity with inhibition rates in the range of 11.8-18.6%.
Two New Diphenylethylenes from Arundina graminifolia and Their Cytotoxicity
Yin-Ke Li,Bin Zhou,Yan-Qing Ye,Gang Du,De-Yun Niu,Chun-Yang Meng,Xue-Mei Gao,Qiu-Fen Hu 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.11
Two new diphenylethylenes, gramniphenols H and I (1 and 2), together with six known diphenylethylenes (3- 8), were isolated from Arundina graminifolia. The structures of 1-8 were elucidated by spectroscopic methods including extensive 1D- and 2D-NMR techniques. Compounds 1 and 2 were evaluated for their cytotoxicity against five human tumor cell lines. Compound 1 showed cytotoxicity against PC3 cells with IC50 value of 3.5 μM. Compound 2 showed cytotoxicity against NB4 and PC3 cells with IC50 values of 3.6 and 3.8 μM, respectively.
Wei-Lie Xiao,Sheng-Hong Li,Yun-Heng Shen,Xue-Mei Niu,Han-Dong Sun 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.7
Two new coumarin glucosides, 11-O-β-D-glucopyranosyl thamnosmonin (1) and 12-O-β-D-glucopyranosyl gosferol (2), were isolated from the roots of Angelica apaensis. Their structures were elucidated spectroscopically. Both compounds showed weak inhibitory effects on rabbit platelet aggregation induced by PAF, AA and APD.
Two New Diphenylethylenes from Arundina graminifolia and Their Cytotoxicity
Li, Yin-Ke,Zhou, Bin,Ye, Yan-Qing,Du, Gang,Niu, De-Yun,Meng, Chun-Yang,Gao, Xue-Mei,Hu, Qiu-Fen Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.11
Two new diphenylethylenes, gramniphenols H and I (1 and 2), together with six known diphenylethylenes (3-8), were isolated from Arundina graminifolia. The structures of 1-8 were elucidated by spectroscopic methods including extensive 1D- and 2D-NMR techniques. Compounds 1 and 2 were evaluated for their cytotoxicity against five human tumor cell lines. Compound 1 showed cytotoxicity against PC3 cells with $IC_{50}$ value of 3.5 ${\mu}M$. Compound 2 showed cytotoxicity against NB4 and PC3 cells with $IC_{50}$ values of 3.6 and 3.8 ${\mu}M$, respectively.