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首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Schiff Bases of Methanesulfonylhydrazine. Synthesis, Spectroscopic Characterization, Conformational Analysis, and Biological Activity
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Schiff Bases of Methanesulfonylhydrazine. Synthesis, Spectroscopic Characterization, Conformational Analysis, and Biological Activity

机译:甲烷磺酰肼的席夫碱。合成,光谱表征,构象分析和生物活性

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摘要

Three novel Schiff bases: salicylaldehyde methanesulfonylhydrazone (1), 2-hydroxyacetophenone methanesulfonylhydrazone (2) and 2-hydroxy-1-naphthaldehyde methanesulfonylhydrazone (3) have been synthesized. Compounds 1-3, as well as acetone methanesulfonylhydrazone (4) have been characterized by TLC, ~1H NMR and IR spectra. The spectroscopic results for 1-3 have revealed the presence of an intramolecular hydrogen bond between the hydroxyl group and the imine N atom. The conformational isomerism of 1-4 with respect to the rotations around the SN and NN bonds have been studied by the method of molecular mechanics. Compounds 1-4 and methanesulfonylhydrazine exhibit antibacterial and cytotoxic effects.
机译:合成了三种新颖的席夫碱:水杨醛甲烷磺酰((1),2-羟基苯乙酮甲烷磺酰hydr(2)和2-羟基-1-萘醛甲烷磺酰hydr(3)。通过TLC,〜1H NMR和IR光谱对化合物1-3和丙酮甲烷磺酰hydr(4)进行了表征。 1-3的光谱结果表明在羟基和亚胺N原子之间存在分子内氢键。通过分子力学方法研究了围绕SN和NN键旋转的1-4的构象异构现象。化合物1-4和甲磺酰肼具有抗菌和细胞毒性作用。

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