1) Ullmann coupling
Ullmann偶联
1.
2,2\',6,6\'-Tetranitro-4,4\'-di (trifluoromethyl)-biphenyl was prepared from p-chloro trifluoromethylbenzene via nitration and Ullmann coupling reaction in an overal yield of 68%.
以对氯三氟甲苯为原料,经硝硫混酸硝化得到3,5-二硝基对氯三氟甲苯,3,5-二硝基对氯三氟甲苯在铜粉催化下经Ullmann偶联反应得到2,2\',6,6\'-四硝基-4,4\'-二(三氟甲基)联苯。
2) 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。
3) Ullmann cross-coupling
Ullmann交叉偶联
1.
The copper-salt catalyzed Ullmann cross-coupling is a powerful tool for theformation of C-N bond.
铜催化的Ullmann交叉偶联反应是构建C-N键的重要工具之一。
4) 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-type coupling
Ullmann-type偶合
补充资料:[3-(aminosulfonyl)-4-chloro-N-(2.3-dihydro-2-methyl-1H-indol-1-yl)benzamide]
分子式:C16H16ClN3O3S
分子量:365.5
CAS号:26807-65-8
性质:暂无
制备方法:暂无
用途:用于轻、中度原发性高血压。
分子量:365.5
CAS号:26807-65-8
性质:暂无
制备方法:暂无
用途:用于轻、中度原发性高血压。
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