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采用紫外光谱及ESR分别测定了不同取代基团的芳香族硝基化合物与多硫化钠溶液的反应。表明当硝基邻位含有取代基团时，将不利于反应；而当甲基邻位含有推电子基团时，使反应速率降低，含有吸电子基因时将促进反应。
The reaction of aromatic nitro compounds with different substituent groups with sodium polysulfide solution was determined by UV spectrum and ESR respectively. This shows that when the ortho-nitro group contains a substituent group, it will be detrimental to the reaction. When the ortho-methyl group contains a push electron group, the reaction rate will be lowered, and the reaction will be promoted when the electron-withdrawing gene is contained.