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152044-53-6生产厂家

152044-53-6价格

152044-53-6

152044-53-6结构式
152044-53-6结构式

化源商城直购

中文名 埃博霉素 A
英文名 (1R,5S,6S,7R,10S,14S,16S)-6,10-dihydroxy-5,7,9,9-tetramethyl-14-[(E)-1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-13,17-dioxabicyclo[14.1.0]heptadecane-8,12-dione
中文别名 埃博霉素A
西洛他唑
英文别名 UNII-51E07YBX96
Epothilone A
(-)-Epothilone A
Epo A
4,17-Dioxabicyclo[14.1.0]heptadecane-5,9-dione, 7,11-dihydroxy-8,8,10,12-tetramethyl-3-[(E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-, (1S,3S,7S,10R,11S,12S,16R)-
[1R*,3R*(E),7R*,10S*,11R*,12R*,16S*]-7,11-dihydroxy-8,8,10,12-tetramethyl-3-[1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione
Epothilon A
(1S,3S,7S,10R,11S,12S,16R)-7,11-dihydroxy-8,8,10,12-tetramethyl-3-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione
(1S,3S,7S,10R,11S,12S,16R)-7,11-Dihydroxy-8,8,10,12-tetramethyl-3-[(1E)-1-(2-methyl-1,3-thiazol-4-yl)-1-propen-2-yl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione
4,17-Dioxabicyclo[14.1.0]heptadecane-5,9-dione, 7,11-dihydroxy-8,8,10,12-tetramethyl-3-[(E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-, (1R,3R,7R,10S,11R,12R,16S)-
(1R,3R,7R,10S,11R,12R,16S)-7,11-Dihydroxy-8,8,10,12-tetramethyl-3-[(1E)-1-(2-methyl-1,3-thiazol-4-yl)-1-propen-2-yl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione
epithilone A
Epothilones
(1S,3S,7S,10R,11S,12S,16R)-7,11-dihydroxy-8,8,10,12-tetramethyl-3-[(1E)-1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione
描述 Epothilone A 是紫杉醇和管蛋白 (tubulin) 聚合物结合的竞争性抑制剂,其 Ki 值为 0.6-1.4 μM。
相关类别
体外研究 埃坡霉素A是[3H]紫杉醇与微管蛋白聚合物结合的竞争性抑制剂。通过Hanes分析,Epothilone A的表观Ki值为1.4μM,Dixon分析的表观Ki值为0.6μM[1]。当应用于人T-24膀胱癌细胞系时,埃坡霉素A在体外具有高度细胞毒性(IC 50 =0.05μM)。基于竞争测定,埃坡霉素A与微管蛋白的结合亲和力与紫杉醇对微管蛋白的结合亲和力具有相同的数量级。从微管蛋白结合位点取出100nM(3H)紫杉醇的IC50对于紫杉醇为3.6μM,对于埃坡霉素A为2.3μM,对于patupilone为3.3μM[2]。
参考文献

[1]. Kowalski RJ, et al. Activities of the microtubule-stabilizing agents epothilones A and B with purified tubulin and in cells resistant to paclitaxel (Taxol(R)). J Biol Chem. 1997 Jan 24;272(4):2534-41.

[2]. Cheng KL, et al. Novel microtubule-targeting agents - the epothilones. Biologics. 2008 Dec;2(4):789-811.

密度 1.1±0.1 g/cm3
沸点 683.3±55.0 °C at 760 mmHg
熔点 95ºC
分子式 C26H39NO6S
分子量 493.656
闪点 367.1±31.5 °C
精确质量 493.249817
PSA 137.49000
LogP 2.54
蒸汽压 0.0±2.2 mmHg at 25°C
折射率 1.532
储存条件 -20°C
危险品运输编码 NONH for all modes of transport