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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis, characterization, and crystal structure of the new Schiff-bases derived from 1,2,4-triazole and the structure of [(PPh3)(2)Cu(AMTT)NO3 center dot EtOH (AMTT=4-amino-5-methyl-2H-1,2,4-triazole-3(4H)-thione)
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Synthesis, characterization, and crystal structure of the new Schiff-bases derived from 1,2,4-triazole and the structure of [(PPh3)(2)Cu(AMTT)NO3 center dot EtOH (AMTT=4-amino-5-methyl-2H-1,2,4-triazole-3(4H)-thione)

机译:1,2,4-三唑衍生的新席夫碱的合成,表征和晶体结构以及[(PPh3)(2)Cu(AMTT)NO3中心点EtOH(AMTT = 4-amino-5-甲基-2H-1,2,4-三唑-3(4H)-硫酮)

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摘要

The reactions of 4-amino-5-methyl-2H-1,2,4-triazole-3(4H)-thione (AMTT, L1) with 2-thiophen carbaldehyde, salicylaldehyde and 2-nitrobenzaldehyde in methanol led to the corresponding Schiff-bases (L1a-c). The reaction of L1 with [(PPh3)(2)Cu]NO3 in ethanol gave the ionic complex [(PPh3)(2)Cu(L1)](NO3EtOH)-Et-. (2) All compounds were characterized by infrared spectroscopy, elemental analyses as well as by X-ray diffraction studies. Crystal data for L1a at 20 degrees C: space group P2(1) with a 439.6(2), b = 2074.0(9), c = 1112.8(4) pm, beta = 93.51(3)degrees, Z = 4, R-1 = 0.0406, L1b at -80 degrees C: space group P2(1) with a = 1268.9(2), b = 739.3(1), c = 1272.5(1) pm, beta = 117.97(1)degrees, Z = 4, R-1 = 0.0361, L1c at -80 degrees C: space group P2(1) with a = 847.8(1), b = 1502.9(2), c = 981.5(2) pm, beta = 110.34(1)degrees, Z = 4, R-1 = 0.0376 and for 2 at - 80 degrees C: space group P1 with a = 1247.8(1), b = 1270.3(1), c 1387.5(1) pm, alpha = 84.32(1)degrees, beta = 84.71(1)degrees, gamma = 63.12(1)degrees, Z = 2, R-1 = 0.0539.
机译:4-氨基-5-甲基-2H-1,2,4-三唑-3(4H)-硫酮(AMTT,L1)与2-噻吩甲醛,水杨醛和2-硝基苯甲醛的甲醇反应生成相应的席夫-bases(L1a-c)。 L1与[(PPh3)(2)Cu] NO3在乙醇中的反应得到离子络合物[(PPh3)(2)Cu(L1)](NO3EtOH)-Et-。 (2)所有化合物均通过红外光谱,元素分析以及X射线衍射研究表征。 L1a在20°C时的晶体数据:空间群P2(1)/ n为439.6(2),b = 2074.0(9),c = 1112.8(4)pm,beta = 93.51(3)°,Z = 4 ,R-1 = 0.0406,-80摄氏度下的L1b:空间组P2(1)/ n,a = 1268.9(2),b = 739.3(1),c = 1272.5(1)pm,β= 117.97(1度,Z = 4,R-1 = 0.0361,-80°C时的L1c:空间群P2(1)/ n,a = 847.8(1),b = 1502.9(2),c = 981.5(2)pm ,beta = 110.34(1)度,Z = 4,R-1 = 0.0376和2在-80摄氏度下:空间群P1的a = 1247.8(1),b = 1270.3(1),c 1387.5(1) pm,alpha = 84.32(1)度,beta = 84.71(1)度,gamma = 63.12(1)度,Z = 2,R-1 = 0.0539。

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