Identification of a Water-Soluble Indirubin Derivative as Potent Inhibitor of Insulin-like Growth Factor 1 Receptor through Structural Modification of the Parent Natural Molecule
preferential inhibitor of insulin-like growth factor 1 receptor (IGF-1R) in a panel of 22 protein kinases and in cells. Consistently, 6ha inhibited tumor cell growth in the NCI 60 cell line panel and induced apoptosis. The results indicate that the 5′-position provides limited space for chemicalmodifications and identify 6ha as a potent water-soluble indirubin-based IGF-1R inhibitor.
To utilize the unique scaffold of a natural product indirubin, we herein adopted the strategy of combined pharmacophores to design and synthesize a series of novel indirubin derivatives as dualinhibitors against cyclin-dependent kinase (CDK) and histonedeacetylase (HDAC). Among them, the lead compound 8b with remarkable CDK2/4/6 and HDAC6 inhibitory activity of IC50 = 60.9 ± 2.9, 276 ± 22.3, 27.2
An improved synthesis of 1-acetyl-1<i>H</i>-indol-3-yl acetates
作者:Juan C. Rodríguez-Domínguez、Alexander Balbuzano-Deus、Miguel A. López-López、Juan C. Rodríguez-Domínguez、Gilbert Kirsch
DOI:10.1002/jhet.5570440146
日期:2007.1
An efficient two steps procedure for the synthesis of 1-acetyl-1H-indol-3-ylacetates, starting from 2-chlorobenzoic acids, was developed and in general, moderate to good yields were obtained
with antibacterialactivity serve as good candidates for developing novel antibacterial drugs which is very urgent and important. In this work, based on the unique scaffold of indirubin, an active ingredient of traditional Chinese medicine formulation Danggui Luhui Wan, we synthesized 29 indirubin-3′-monoximes and preliminarily evaluated their antibacterialactivities. The antibacterialactivity results
多重耐药微生物病原体是一个严重的全球健康问题。具有抗菌活性的新化合物是开发新型抗菌药物的良好候选者,这是非常紧迫和重要的。本工作基于中药当归鹿汇丸活性成分靛玉红独特的支架,合成了29个靛玉红-3'-单肟,并初步评价了其抗菌活性。抗菌活性结果表明,合成的靛玉红-3′-单肟5a-5z和5aa-5ad对金黄色葡萄球菌ATCC25923表现出良好的效力(MIC = 0.4-25.6 μg mL -1 )。其中,我们发现5-F、5-Cl和7-CF 3取代的靛玉红-3′-单肟5r 、 5s和5aa对金黄色葡萄球菌也表现出更好的抗菌效率(MIC高达0.4 μg mL -1 )比原型天然产物靛玉红(MIC = 32 μg mL -1 )。更重要的是,靛玉红-3'-单肟5aa与左氧氟沙星对临床多重耐药金黄色葡萄球菌具有一定的协同作用(分数抑菌浓度指数:0.375)。此外,还进行了电镜观察、PI染色、细胞外钾离子和核酸(260
111. Carbazoles, carbolines, and related compounds. Part I. Quindoline derivatives