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首页> 外文期刊>Zeitschrift fur Kristallographie. New crystal structures >Refinement of the crystal structure of propionaldehyde 2,4-dinitrophenyl-hydrazone, C_9H_(10)N_4O_4
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Refinement of the crystal structure of propionaldehyde 2,4-dinitrophenyl-hydrazone, C_9H_(10)N_4O_4

机译:丙醛2,4-二硝基苯基-C_9H_(10)N_4O_4的晶体结构的细化

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摘要

2,4-dinitrophenylhydrazine (1 mmol, 0,198 g) was dissolved in anhydrous ethanol (10 ml), H2SO4 (98 %, 0,5 ml) was added to this, the mixture was stirred for several minutes at 351 K, piopionaldehyde (1 mmol, 0.058 g) in ethanol (5 ml) was added dropwise and the mixture was stirred at refluxing temperature for 5 h. The product was separated and recrystallized in dichloro-methane, red single crystals were obtained after 3 d.
机译:将2,4-二硝基苯肼(1 mmol,0,198 g)溶于无水乙醇(10 ml)中,向其中加入H2SO4(98%,0.5 ml),将混合物在351 K下搅拌几分钟,逐滴加入1mmol,0.058g)的乙醇(5ml)溶液,并将混合物在回流温度下搅拌5h。分离产物,并在二氯甲烷中重结晶,3 d后获得红色单晶。

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