利用Hantzsch方法设计并合成了新的N,4-二苯基噻唑-2-胺衍生物。在生态友好的条件下,合成中涉及的三步反应以更快的速率发生,并具有优异的收率。通过光谱技术(例如1 H NMR,1313 C NMR,FT-IR和GCMS。X射线单晶衍射研究也证实了标题化合物的形成。在体外评估了这些化合物的抗微生物和抗炎活性。结果表明,大多数测试化合物显示出有效的抗真菌活性。有趣的是,这些化合物还对敏感和耐药菌株表现出良好的抗炎和适度的抗菌活性。计算机研究表明,它们对金黄色葡萄球菌(PDB ID:1AD4)和白色念珠菌(PDB ID:1AI9)具有良好的结合亲和力。
Visible light triggered, catalyst free approach for the synthesis of thiazoles and imidazo[2,1-b]thiazoles in EtOH : H<sub>2</sub>O green medium
作者:Anu Mishra、Madhulika Srivastava、Pratibha Rai、Snehlata Yadav、Bhartendu Pati Tripathi、Jaya Singh、Jagdamba Singh
DOI:10.1039/c6ra05385h
日期:——
The development of a visible light promoted, mild and greener approach for the synthesis of highly functionalized thiazoles and imidazo[2, 1-b]thiazoles under photochemical activation in EtOH:H2O green medium is demonstrated....
Several straightforward and practical processes have been established for the construction of 2-aminothiazoles, 1,3-thiazoles and 1,3-selenazoles from aryliodoazides. These strategies successfully proceed with a wide spectrum of substituted thioamides and its derivatives producing the resulting five-membered heterocycles obtained in satisfactory yields. The unique features of these protocols are operational
Eco-Friendly Synthesis and Insecticidal Activity of Some Fluorinated 2-(N-Arylamino)-4-Arylthiazoles
作者:Ragini Gupta、Deepti Sharma、Swaroop Singh
DOI:10.1080/10426500903036014
日期:2010.6.30
A series of fluorinated 2-(N-arylamino)-4-arylthiazoles (3) was synthesized by the condensation of appropriate arylthioureas (2) with corresponding -bromoacetophenones (1) by using ogreen chemistryo techniques, viz. mechanochemical mixing and microwave or ultrasonic irradiation. Compared with conventional procedures, the reaction can be carried out under milder conditions, requiring a shorter reaction time and giving higher yields following the green chemistry methodology. All the synthesized compounds were characterized on the basis of elemental analyses and spectral data (IR, 1H NMR, and mass spectrometry). Representative compounds were also evaluated for their insecticidal activity against Helicoverpa armigera, and some of them showed promising activity. Supplemental materials are available for this article. Go to the publisher's online edition of Phosphorus, Sulfur, and Silicon and the Related Elements to view the free supplemental file.