Potassium cation induced switch in anion selectivity exhibited by heteroditopic ruthenium(II) and rhenium(I) bipyridyl bis(benzo-15-crown-5) ion pair receptors
Imidazothiazole-based potent inhibitors of V600E-B-RAF kinase with promising anti-melanoma activity: biological and computational studies
摘要:
A series of imidazothiazole derivatives possessing potential activity against melanoma cells were investigated for molecular mechanism of action. The target compounds were tested against V600E-B-RAF and RAF1 kinases. Compound1zbis the most potent against both kinases with IC(50)values 0.978 and 8.2 nM, respectively. It showed relative selectivity against V600E mutant B-RAF kinase. Compound1zbwas also tested against four melanoma cell lines and exerted superior potency (IC(50)0.18-0.59 mu M) compared to the reference standard drug, sorafenib (IC(50)1.95-5.45 mu M). Compound1zbdemonstrated also prominent selectivity towards melanoma cells than normal skin cells. It was further tested in whole-cell kinase assay and showed in-cell V600E-B-RAF kinase inhibition with IC(50)of 0.19 mu M. Compound1zbinduces apoptosis not necrosis in the most sensitive melanoma cell line, UACC-62. Furthermore, molecular dynamic and 3D-QSAR studies were done to investigate the binding mode and understand the pharmacophoric features of this series of compounds.
Broad-spectrum antiproliferative activity of a series of 6-(4-fluorophenyl)-5-(2-substituted pyrimidin-4-yl)imidazo[2,1-b]thiazole derivatives
作者:Mohammed S. Abdel-Maksoud、Mohammed I. El-Gamal、Mahmoud M. Gamal El-Din、Seong-Shin Kwak、Hyun-Il Kim、Chang-Hyun Oh
DOI:10.1007/s00044-016-1529-7
日期:2016.5
This article described the synthesis and in vitro antiproliferative activities a series of 6-(4-fluorophenyl)-5-(2-substituted pyrimidin-4-yl)imidazo[2,1-b]thiazolederivatives. The nine target compounds were tested for in vitro antitumor effect against a panel of 55 cell lines of nine different cancer types at the NCI, and their activities were compared with that of Sorafenib as a reference standard
本文介绍了一系列6-(4-氟苯基)-5-(2-取代的嘧啶-4-基)咪唑并[2,1- b ]噻唑衍生物的合成及体外抗增殖活性。在NCI上测试了这9种目标化合物对55种9种不同癌症类型的细胞系的体外抗肿瘤作用,并将它们的活性与作为参考标准药物的索拉非尼进行了比较。具有末端芳基酰胺部分的化合物1d和1e针对不同的癌细胞系发挥出比索拉非尼更高的效力。两种化合物都比索拉非尼对UO-31肾癌细胞系和MCF7乳腺癌细胞系更有效。化合物1d与Sorafenib相比,它对COLO 205结肠癌细胞的杀伤力更强,化合物1e对OVCAR-3卵巢癌细胞和DU-145前列腺消除细胞的杀伤力也比Sorafenib高。例如,化合物1e对DU-145前列腺癌细胞系的IC 50值为1.04μM,是索拉非尼的三倍。
Synthesis of New 6-(4-Fluorophenyl)-5-(2-substituted pyrimidin-4-yl)imidazo[2,1-b] thiazole Derivatives and their Antiproliferative Activity against Melanoma Cell Line
作者:Jin-Hun Park、Chang-Hyun Oh
DOI:10.5012/bkcs.2010.31.10.2854
日期:2010.10.20
Synthesis of a new series of pyrimidinyl-imidazo(2,1-b)thiazolederivatives is described. Their antiproliferative activity against A375 human melanoma cell line was tested and the effect of substituents on the pyrimidinyl ring side chain was investigated. The biological results indicated that most of the newly synthesized compounds showed mo- derate activity against A375, compared with Sorafenib. Among
Cooperative binding of potassium cation and chloride anion by novel rhenium(I) bipyridyl amide crown ether receptors
作者:James E. Redman、Paul D. Beer、Simon W. Dent、James E. Redman、Paul D. Beer、Simon W. Dent、Michael G. B. Drew
DOI:10.1039/a707680k
日期:——
New rhenium(
I) bipyridyl amide crown ether receptors are prepared and shown to complex K
+Cl
– ion pairs in which crown ether complexation of the potassium cation co-operates in the binding of chloride anion.
制备了新的联吡啶酰胺冠醚受体铼(I),并展示了其与 K +Cl - 离子对的络合,其中钾阳离子的冠醚络合与氯阴离子的结合共同作用。
Anion selectivity properties of ruthenium(ii) tris(5,5′-diamide-2,2′-bipyridine) receptors dictated by solvent and amide substituent
作者:Lindsay H. Uppadine、Paul D. Beer、Michael G. B. Drew
DOI:10.1039/b008822f
日期:——
The ratio of the dichloromethaneâmethanol solvent
mixture medium and nature of the receptor amide substituent critically
dictates chloride vs. nitrate selectivity properties of new
ruthenium(II) tris(5,5â²-diamide-2,2â²-bipyridine)
receptors.
COMPOUNDS FOR THE TREATMENT OF PARAMOXYVIRUS VIRAL INFECTIONS
申请人:Alios Bio Pharma, Inc.
公开号:US20150238498A1
公开(公告)日:2015-08-27
Disclosed herein are new antiviral compounds, together with pharmaceutical compositions that include one or more antiviral compounds, and methods of synthesizing the same. Also disclosed herein are methods of ameliorating and/or treating a paramyxovirus viral infection with one or more small molecule compounds. Examples of paramyxovirus infection include an infection caused by human respiratory syncytial virus (RSV).