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- Another way was to combine directly anhydrous piperazine with 2,3-dichloro-bromobenzene through Ullmann reaction. 二是直接用无水哌嗪与2,3-二氯溴苯通过乌尔曼反应合成。
- Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields. 间苯氧基苯乙酮可由酚钾与间溴苯乙酮在醋酸铜催化下以高产率合成。
- Keywords Ullmann reaction;cross-coupling;copper reagent;aryl halide;ligand or additive;heteroatom neucleophilies; 乌尔曼反应;交叉偶联;铜试剂;芳基卤化物;配体;杂原子亲核试剂;
- Keywords hole transport material;triarylamine;Ullmann reaction;HOMO energy level;glass transition temperature; 空穴传输材料;三芳胺;乌尔曼反应;HOMO能级;玻璃化转变温度;
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- I'm displeased at your reaction. 我对你的反应很不满意。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- A sharp reaction; a repercussion. 强烈反应后果，影响
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The reaction of the audience was instantaneous. 观众即刻有了反应。
- What was his reaction to the plan? 他对这个计划有什么反应?
- The medicine produced a violent reaction. 这药物引起了剧烈的反应。
- My reaction will be to partake in the speech competition. 我的看法倒是要参加这次演说比赛。
- What was his reaction to the news? 他对这消息的反应如何？
- His reaction of swiftness surprised us. 他快速的反应能力让我们吃了一惊。
- ullmann reaction 乌尔曼反应
- I had a bad reaction after my typhoid injection. 我注射了伤寒针剂后产生了不良反应。
