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- Another way was to combine directly anhydrous piperazine with 2,3-dichloro-bromobenzene through Ullmann reaction. 二是直接用無(wú)水哌嗪與2,3-二氯溴苯通過(guò)烏爾曼反應合成。
- Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields. 間苯氧基苯乙酮可由酚鉀與間溴苯乙酮在醋酸銅催化下以高產(chǎn)率合成。
- Keywords Ullmann reaction;cross-coupling;copper reagent;aryl halide;ligand or additive;heteroatom neucleophilies; 烏爾曼反應;交叉偶聯(lián);銅試劑;芳基鹵化物;配體;雜原子親核試劑;
- Keywords hole transport material;triarylamine;Ullmann reaction;HOMO energy level;glass transition temperature; 空穴傳輸材料;三芳胺;烏爾曼反應;HOMO能級;玻璃化轉變溫度;
- Could I ask for your reaction to this policy? 我能問(wèn)一下您對這個(gè)政策的反應嗎？
- A reactor is a container for chemical reaction. 反應器是進(jìn)行化學(xué)反應的容器。
- I'm displeased at your reaction. 我對你的反應很不滿(mǎn)意。
- The forces of reaction made reform difficult. 反動(dòng)勢力給改革造成了困難。
- His reaction on this matter is unexpected. 沒(méi)料到，他對這件事的反應是這樣的。
- A sharp reaction; a repercussion. 強烈反應后果，影響
- Their reaction was one of qualified praise. 他們的反應是一種有保留的稱(chēng)贊。
- His initial reaction was one of shock. 他最初的反應是震驚。
- The reaction of the audience was instantaneous. 觀(guān)眾即刻有了反應。
- What was his reaction to the plan? 他對這個(gè)計劃有什么反應?
- The medicine produced a violent reaction. 這藥物引起了劇烈的反應。
- The programme was given a trial run to gauge viewers' reactions. 該節目進(jìn)行了試演以了解觀(guān)眾的反應。
- My reaction will be to partake in the speech competition. 我的看法倒是要參加這次演說(shuō)比賽。
- What was his reaction to the news? 他對這消息的反應如何？
- His reaction of swiftness surprised us. 他快速的反應能力讓我們吃了一驚。
- ullmann reaction 烏爾曼反應
