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苯甲醚

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The raw materials used by the method are green chemicals dimethyl carbonate and p-nitrophenol, and the catalyst is NaY molecular sieve, activated aluminum oxide or activated carbon which is impregnated by alkali metals or alkaline-earth metal compounds.

本发明涉及到一种合成对硝基苯甲醚的方法,该方法所用的原料为绿色化学品碳酸二甲酯和对硝基苯酚,催化剂是经碱金属或碱土金属化合物浸渍过的NaY分子筛、活性氧化铝或活性碳。

The experiment shows that the multiphoton ionization mechanism of anisole is parent molecule ionization-dissociation model.

实验结果表明苯甲醚分子的多光子电离机制属于母体分子电离-解离模型。

Excessive anisole is used instead of the classical polar solvent,which leads to clean reaction,simple operation and easy after-treatment.

反应中过量的苯甲醚可充当溶剂,替代传统的极性溶剂,使反应操作简单、工艺清洁,易于后处理。

At last, by comparing difference of the dissociation energy of anisole and its main fragment ions of the two channels, the theoretical results further demonstrate, in the experiment, that the main dissociation channel of anisole molecular will be formed.

比较两条通道的碎片离子能量的变化,理论验证了实验中苯甲醚分子主要解离通道的合理性。

The cycle test results show that the introduction of trace anisole can promote specific capacity and cycling efficiency and can reduce the declining rate of the specific capacity.

以Li金属和改性石墨为电极材料,循环性能测试结果表明,苯甲醚的加入,使电池的可逆比容量和充放电效率均得到提高,且可逆比容量的衰减速度减慢。

The anisole is studied by using multiphoton ionization technique and time-of-flight mass spectrum under the radiation of the 355 nm laser.

在355 nm激光作用下,利用多光子电离技术结合飞行时间质谱对苯甲醚分子进行了研究。

The more active catalyst and the more suitable carrier should be selected further not only to heighten the yield of MPC and DPC,but to avoid the production of anisole at above 250℃.

由此可以知道,要想使得MPC、DPC产率增加需选择更适合的催化剂,而对于高温下气固相反应应该选择更适合的能有效抑制苯甲醚副反应发生的催化剂载体。

This inexpensive anisole solvothermal method extended the field of organic solution phase pyrolysis or the area of the traditional solvothermal process, and paves a new way for the synthesis of other important pure or doping ternary functional materials.

这种廉价的苯甲醚溶剂热方法拓宽了传统有机液相高温热解法和溶剂热合成路线的应用范围,为合成其他纯相或掺杂的的三元化合物提供了一条方便廉价的新途径。

When metal oxides were supported on γ-Al〓O〓, higher conversions of phenol were obtained, but the selectivties to anisole, a by-product, were also higher.

在使用负载型催化剂催化苯酚与DMC的酯交换反应中,γ-Al〓O〓作载体时的催化性能比SiO〓作载体时好,但产物中苯甲醚的选择性也相对较高。

Cu2-Co2-KBr with high catalytic activity and selectivity shows synergistic effect between metal ions.Under the reaction conditions of mCu(Ac2:mCo(Ac2:m= 0.1:0.5:0.1, n:n=0.14, glacial acetic acid as solvent, overdosage sodium percarbonate, 65℃, the conversion can reach 45.9% and the selectivity for p-methoxy benzaldhyde is about 68.3%.

结果表明,Cu2-Co2-KBr具有较高的催化活性和选择性,体现出金属离子之间的协同作用,对甲基苯甲醚在mCu(Ac2:mCo(Ac2:m=0.1:0.5:0.1,n:n=0.14,冰醋酸作溶剂,稍过量的过碳酸钠,65℃的条件下,转化率可达45.9%,生成对甲氧基苯甲醛的选择性为68.3%。

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