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以对甲苯胺为原料,“一锅法”合成了邻硝基对甲苯酚。经研究得出反应最优工艺条件为:n(对甲苯胺):n(亚硝酸钠)=1:1.1,以质量分数为13%的硝酸钠......
5-甲基吲哚是一种重要的化学中间体,在合成医药、染料等方面具有重要的作用[1].传统合成方法路线较长、收率低、催化剂价格贵[2-5]......
合成了香兰素与对甲苯胺希夫(Schiff)碱的重稀土配合物,(LnL2Cl·3H2O)Cl2(Ln:Gd,Dy;L:希夫碱配体)和(LnL2Cl2·2H2O)Cl·H2O(L......
对甲苯胺主要用作合成染料中间体,溴化工序主要原料是对甲苯胺和氢溴酸。对甲苯胺易溶于有机溶剂,微溶于水,但是对甲苯胺易溶于盐......
研究了稀土与邻香兰素对甲苯胺希夫碱配合物的合成 ,并用元素分析、红外光谱、摩尔电导、紫外可见光谱、Χ-射线衍射物相分析、热......
采用三乙醇胺碱性脱活,研制出了碱性PEG-20M高效毛细管色谱柱。该柱对邻甲基苯胺、间甲基苯胺、对甲基苯胺同分异构体显示了很好的......
用活性炭吸附法分离了4B酸溶液中的少量对甲苯胺.研究了溶液中对甲苯胺质量浓度与析出4B酸晶体中对甲苯胺质量分数的对应关系.绘制了......
研究了2,6-二溴-4-甲基乙酰苯胺的一步合成反应,优化了合成的条件。通过增加加热时间及蒸馏步骤,使得串联反应得以发生,从而获得最......
Two new zinc(II) complexes, [Zn2L2Cl4]·2[ZnL(CH3OH)Cl2] 1 and [ZnL2(NO3)2] 2, were synthesized by reacting ZnX2......
研究了对硝基甲苯气相催化氢化制取对甲苯胺的工艺条件,考察了催化剂,反应温度及氢油比对氢化反应的影响。适宜的反应温度为250-270℃,适宜的......