设计并合成了两个新的含索拉非尼衍生物9a - 9t的二芳基硫脲系列产品,并评估了它们对PC-3,HCT116和MDA-MB-231细胞系的抗增殖活性。所有化合物通常对PC-3细胞均具有抗增殖活性,大多数类似物均对HCT116细胞具有有效的抗增殖活性,化合物9e,9f,9o和9p对所有这三种细胞系均具有抑制活性。所有新合成的化合物的结构均通过1 H NMR,13 C NMR和HRMS确定。
Isothiocyanates from Tosyl Chloride Mediated Decomposition of in Situ Generated Dithiocarbamic Acid Salts
作者:Rince Wong、Sarah J. Dolman
DOI:10.1021/jo070246n
日期:2007.5.1
A facile and general protocol for the preparation of isothiocyanates from alkyl and arylamines is reported. This method relies on a tosyl chloride mediated decomposition of a dithiocarbamate salt that is generated in situ by treatment of an amine with carbondisulfide and triethylamine. Utilizing this protocol, we have prepared 19-alkyl- and arylisothiocyanates in moderate to excellent yield.
Design, synthesis and biological evaluation of thiourea and nicotinamide-containing sorafenib analogs as antitumor agents
作者:Xiangkai Kong、Zeyu Yao、Zuopeng He、Wenfang Xu、Jianwen Yao
DOI:10.1039/c4md00536h
日期:——
Thiourea and nicotinamide-containing sorafenib analogs with better antiproliferative and anti-angiogenic activities than sorafenib were well designed and synthesized.
A series of novel sorafenib derivatives containing diaryl thiourea and thioether, 9a-u, was designed and synthesized, and their antiproliferative activities against HCT116 and MDA-MB-231 cell lines were also evaluated and described. Most compounds exhibited potent antiproliferative activity against HCT116 cells with IC50 = 1.8-80.4 mu M. Compounds 9p, 9r, and 9s demonstrated competitive antiproliferative activities to sorafenib, against all two cancer cell lines. The structures of all the newly synthesized compounds were determined by H-1 NMR, C-13 NMR, and HRMS, and compound 9n was characterized by single-crystal X-ray diffraction. Primary structure-activity relationships (SAR) have also been established.
Design, synthesis and biological activities of sorafenib derivatives as antitumor agents
A series of novel sorafenib derivatives, 9a-w, was designed and synthesized in high yields using various substituted anilines, and their antiproliferative activities against HCT116, PC-3 and MDA-MB-231 cell lines were also evaluated and described. All compounds exhibited potent antiproliferative activity against HCT116 and PC-3 cells with IC50 = 2.8-52.0 and 2.2-45.6 mu M; compounds 9p and 9q demonstrated competitive antiproliferative activities to sorafenib against all three cancer cell lines, the cytotoxicity of compound 9r is more potent than that of sorafenib. Compounds (9g, 9p, 9q and 9r) were chosen for further evaluation of the anti-angiogenesis activity, and showed the inhibition of sprout formation from aortic ring ex vivo. The structures of all the newly synthesized compounds were determined by H-1 NMR, C-13 NMR and HRMS. (C) 2012 Elsevier Ltd. All rights reserved.
Thiazolidinone CFTR inhibitors with improved water solubility identified by structure–activity analysis
作者:N.D. Sonawane、A.S. Verkman
DOI:10.1016/j.bmc.2008.07.044
日期:2008.9
The thiazolidinone 3-[(3-trifluoromethyl)phenyl]-5-[(4-carboxyphenyl)methylene]-2-thioxo-4-thiazolidinone (CFTRinh-172) inhibits cystic fibrosis transmembrane conductance regulator ( CFTR) chloride channel conductance with submicromolar affinity and blocks cholera toxin-induced intestinal fluid secretion. Fifty-eight CFTRinh-172 analogs were synthesized to identify CFTR inhibitors with improved water solubility, exploring modi. cations in its two phenyl rings, thiazolidinone core, and core-phenyl connectors. Greatest CFTR inhibition potency was found for 3-CF3 and polar group-substituted-phenyl rings, and a thiazolidinone core. Two compounds with similar to 1 mu M CFTR inhibition potency and solubility >180 mu M(>10-fold more than CFTRinh-172) were identified: Tetrazolo-172, containing 4-tetrazolophenyl in place of 4-carboxyphenyl, and Oxo-172, containing thiazolidinedione in place of the thiazolidinone core. These water soluble thiazolidinone analogs had low cellular toxicity. The improved water solubility of Tetrazolo- and Oxo-172 make them potential lead candidates for therapy of secretory diarrheas and polycystic kidney disease. (C) 2008 Elsevier Ltd. All rights reserved.