unsaturated ketones and hydrazine hydrate with acetic/formic acid in ethanol/DMSO. The structures of 2-pyrazolines have been established by spectroscopic techniques i.e. UV, IR, 1H NMR, 13C NMR and micro element analysis. Fluorescence spectra were recorded in the solution at fixed concentration and same excitation wavelength at 290 nm. The absorption band positions of all the compounds broadly lie between
在乙醇/ DMSO中,由α,β不饱和酮和水合肼与乙酸/甲酸合成了一系列2-吡唑啉。2-吡唑啉的结构已通过光谱技术确定,即UV,IR,1 H NMR,13 C NMR和微量元素分析。以固定的浓度和相同的激发波长在290 nm记录溶液中的荧光光谱。所有化合物的吸收带位置大致在280至336 nm之间,荧光带位置在300至370 nm(近紫外区域)之间。
Facile Microwave-assisted Synthesis of 1,3,5-Trisubstituted Pyrazoline Derivatives Incorporating Sulfonyl Moiety
作者:Fei Liu、Jin-Feng Yang、Hong Liu、Wen-Zhen Wei、Yan-Mei Ma
DOI:10.1002/jccs.201500385
日期:2016.3
8a∼8f, 9a∼9f) with p‐toluene sulfonhydrazide af‐ forded 1,3,5‐trisubstitued pyrazoline derivatives using microwave‐assisted process in 25 min and 140 watt power in glycol. The structures of targeted compounds were established by IR, 1H NMR, MS and ele‐ mental analysis. The results indicate that microwave‐assisted synthetic process presents advantages in terms of enhancement in rate, decrease in reaction
我们开发的1,3,5-三取代的吡唑啉建设(环境友好,便捷的微波辅助进程10A〜10F,11A〜11F,12A〜12F,13A〜13F)。查耳酮,作为密钥intermedi-茨,通过各适当取代的芳族醛(的的缩合得到的1〜4)与4-取代的苯乙酮(图5a〜图5f通过微波辐射的作用下克莱森-施密特反应)。查耳酮(环化6A〜6F,7A〜7F,图8A〜8F,图9A〜9F)与p -甲苯sulfonhydrazide AF-涉水使用微波辅助的过程在25分钟内和在乙二醇140瓦特功率1,3,5-三取代吡唑啉衍生物。通过IR,1 H NMR,MS和元素分析确定了目标化合物的结构。结果表明,微波辅助合成工艺具有提高反应速率,减少反应时间,反应干净,操作方便等优点。
Biological activity evaluation and action mechanism of chalcone derivatives containing thiophene sulfonate
Synthesis, antibacterial, antiviral activities and action mechanism of chalcone derivatives containing thiophene sulfonate.
巯基硫酸基硫代酮衍生物的合成、抗菌、抗病毒活性及作用机制。
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
作者:Suvitha Syam、Siddig Ibrahim Abdelwahab、Mohammed Ali Al-Mamary、Syam Mohan
DOI:10.3390/molecules17066179
日期:——
Several chalcones were synthesized and their in vitro cytotoxicity against various human cell lines, including human breast adenocarcinoma cell line MCF-7, human lung adenocarcinoma cell line A549, human prostate cancer cell line PC3, human adenocarcinoma cell line HT-29 (colorectal cancer) and human normal liver cell line WRL-68 was evaluated. Most of the compounds being active cytotoxic agents, four of them with minimal IC50 values were chosen and studied in detail with MCF-7 cells. The compounds 1, 5, 23, and 25 were capable in eliciting apoptosis in MCF-7 cells as shown by multiparameter cytotoxicity assay and caspase-3/7, -8, and -9 activities (p < 0.05). The ROS level showed 1.3-fold increase (p < 0.05) at the low concentrations used and thus it was concluded that the compounds increased the ROS level eventually leading to apoptosis in MCF-7 cells through intrinsic as well as extrinsic pathways.