Periodontitis is a serious global concern. Therefore, in the present study, we intend to synthesize novel valproic-acid pyrazoleconjugates as a novel agentagainstperiodontitis. The molecules were developed in a facile synthetic route and obtained in excellent yields. The entire set of molecules were screened for antibacterialactivityagainst a battery of micro-organisms responsible for periodontitis
Structure-activity relationship with pyrazoline-based aromatic sulfamates as carbonic anhydrase isoforms I, II, IX and XII inhibitors: Synthesis and biological evaluation
作者:Davide Moi、Alessio Nocentini、Alessandro Deplano、Gianfranco Balboni、Claudiu T. Supuran、Valentina Onnis
DOI:10.1016/j.ejmech.2019.111638
日期:2019.11
Four new series of aromatic sulfamates were synthesized and investigated for the inhibition of four human (h) isoforms of zinc enzyme carbonic anhydrase (CA, EC 4.2.1.1), hCA I, II, IX, and XII. The reported derivatives, obtained by a sulfamoylation reaction of the corresponding phenolic precursors, bear 3,5-diarylpyrazoline moieties as spacers between the benzenesulfamate fragment which binds the
Synthesis and antitumor activity of 1-acetyl-3-(4-phenyl)-4,5-dihydro-2-pyrazoline-5-phenylursolate and 4-chalcone ursolate derivatives
作者:Xue Bai、Wan Qi Shi、Hua Feng Chen、Ping Zhang、Ying Li、Shu Fan Yin
DOI:10.1007/s10600-012-0159-7
日期:2012.3
New 4-chalcone ursolate and 1-acetyl-3-(4-phenyl)-4,5-dihydro-2-pyrazoline-5-phenyl ursolate derivatives were synthesized by esterification of UA and chalcone or pyrazoline. The compounds were structurally confirmed by IR, 1H NMR, 13C NMR, and HR-MS spectroscopy. The cytotoxicity of ten derivatives was evaluated against A549, SKOV3, and HepG2 cell lines by MTT assay. The result showed that several compounds were more potent than UA against A549 and SKOV3 cells; however, none of them were more potent than UA against HepG2.
Synthesis and study of antibacterial activity of some 1-phenyl-3-aryl-5-(4-(2-ethanoloxy) phenyl)-1H-pyrazoles
作者:ANJU GOYAL、NEELAM JAIN、SANDEEP JAIN
DOI:10.13005/ojc/290223
日期:2013.6.30
A series of 1-phenyl-3-aryl-5-(4-(2-ethanoloxy) phenyl)-1H-pyrazoles were synthesized from chalcones and studied for their in vitro antibacterialactivity. Chalcones i.e.,1-aryl-3-(4hydroxyphenyl) prop-2-en-1-ones, 1 on reaction with phenyl hydrazine yielded the corresponding 1-phenyl-3-aryl-5-(4-hydroxyphenyl)-1H-pyrazoles 2 which on further reaction with 3-chloroethanol furnished the title compounds
从查耳酮合成了一系列的1-苯基-3-芳基-5-(4-(2-乙醇氧基)苯基)-1H-吡唑,并对其体外抗菌活性进行了研究。与苯基肼反应时,生成1个与相应的苯醌反应的Chalcones(1-芳基-3-(4-羟基苯基)丙-2-烯-1-酮),相应的1-苯基-3-芳基-5-(4-羟基苯基)-1H-吡唑2与3-氯乙醇进一步反应,得到标题化合物3。这些化合物通过CHN分析,IR,质量和1 H NMR光谱数据表征。评价所有化合物对两种革兰氏阴性菌株(大肠杆菌和铜绿假单胞菌)和两种革兰氏阳性菌株(枯草芽孢杆菌和金黄色葡萄球菌)的体外抗菌活性,并测定其最低抑菌浓度(MIC)。
Microwave-assisted synthesis and bioevaluation of new sulfonamides
In this study, 4-[5-(4-hydroxyphenyl)-3-aryl-4,5-dihydro-1H-pyrazol-1-yl]benzenesulfonamide derivatives (8-14) were synthesized for the first time by microwave irradiation and their chemical structures were confirmed by 1H NMR, 13C NMR and HRMS. Cytotoxic activities and inhibitory effects on carbonic anhydrase I and II isoenzymes of the compounds were investigated. The compounds 9 (PSE = 4.2), 12 (PSE = 4
在这项研究中,首次通过微波辐射合成了4- [5-(4-羟基苯基)-3-芳基-4,5-二氢-1H-吡唑-1-基]苯磺酰胺衍生物(8-14),它们的化学结构通过1 H NMR,13 C NMR和HRMS证实。研究了该化合物的细胞毒性活性及其对碳酸酐酶I和II同工酶的抑制作用。在细胞毒性实验中具有最高效能选择性表达(PSE)值的化合物9(PSE = 4.2),化合物12(PSE = 4.1)和13(PSE = 3.9)和化合物13(针对hCA I的Ki(3.73±0.91 nM))在CA抑制研究中,具有最低Ki值的14个化合物(对hCA II而言,Ki = 3.85±0.57 nM)可被视为进一步研究的先导化合物。