1) ullmann reaction
Ullmann反应
1.
The theoretical study on the Ullmann reaction activity of halogenated benzene;
卤代苯Ullmann反应活性的理论研究
2.
The ullmann reaction of 4-chlorophenol and 1-(2,4-dichloro-phenyl) -ethanon by one-pot was researched,which was more efficient and convenient compared with the traditional two-step method.
以一锅法研究了对氯苯酚与2,4-二氯苯乙酮间的Ullmann反应,对传统的两步法进行了改进。
3.
Under the protection of N2,the compound 4-methoxy-N-phenyl-N-(4-(2,2-dip-henyLvinyl)phenyl) benzenamine was synthesized from diphenylamine,1-iodo-4-methoxyben-zene and chlorodiphenylmethane via Ullmann reaction,Vilsmeier-Haack reaction and Wittig reaction,the total yield reached 20.
在氮气保护下,以二苯胺、对碘苯甲醚和二苯基氯甲烷为原料,经过Ullmann反应、Vilsmeier-Haack反应和Wittig反应,合成了电荷传输材料4-甲氧基-N-苯基-N-(4-(2,2-二苯乙烯基)苯基)苯胺,收率达到20。
2) Ullmann reaction with iodobenzene
碘苯Ullmann反应
3) Ullmann coupling reaction
Ullmann偶联反应
1.
In this study,the synthesis of a PCB congener BZ # 77 (3,3′,4,4′-tetrachlorobiphenyl) was carried out using the Ullmann coupling reaction of 1,2-dichloro-4-iodobenzene (DCIB) cat- alyzed by copper powders or palladium coated activated carbon (Pd/C).
分别用铜粉和活性炭负载钯(Pd/C)催化1,2-二氯-4-碘苯(DCIB)进行Ullmann偶联反应,合成一种多氯联苯BZ#77(3,3′,4,4′-四氯联苯)。
2.
In recent years, copper, iron-catalyzed Ullmann coupling reactions have attracted much attention, and some useful domino processes have been developed to construct nitrogen heterocycles via Cu-catalyzed Ullmann-type reactions.
近年来,铜、铁催化的Ullmann偶联反应越来越受到研究者的关注,成为有机合成化学研究领域的热点之一。
4) Ullmann coupling reaction
Ullmann偶合反应
1.
4-Alkoxybenzoic N-phenyl-N -alkyl imidazolium esters were synthesized via copper(I) catalyzed Ullmann coupling reaction as key step.
以Ullmann偶合反应为关键步骤合成了含烷氧基苯甲酸的苯基咪唑盐酯,用偏光显微镜(POM)对这类物质的液晶性能进行了研究,发现当咪唑环N上所带的烷基链(CnH2n+1)的长度在n=9~16之间时,这类化合物能呈现近晶层状A相(SmA),它们的液晶行为被分析为分子结构中柔性链与刚硬部分进行微观相分离及咪唑阳离子间的静电吸引相互作用的结果。
5) Ullmann-type coupling reaction
Ullmann-type偶联反应
1.
DAB-Cy as ligand for palladium-catalyzed Ullmann-type coupling reaction In order to optimize the reaction conditions, the homocoupling of p-bromoanisole as substrate was examined.
本论文主要研究了两种合成对称联苯类化合物的偶联方法，分别为钯催化的Ullmann-type偶联反应和one-pot borylation／Suzuki偶联反应。
6) Ullmann coupling reaction in aqueous solution
水溶液中Ullmann反应
补充资料：Graebe-Ullmann reaction
分子式：
CAS号：
性质：2-氨基二苯胺用亚硝酸重氮化成苯并[d]-1,2,3-三唑，加热分解，放出氮气，生成咔唑。是合成咔唑类化合物的重要方法。
CAS号：
性质：2-氨基二苯胺用亚硝酸重氮化成苯并[d]-1,2,3-三唑，加热分解，放出氮气，生成咔唑。是合成咔唑类化合物的重要方法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条