Palladium ( II ) - Catalyzed Ullmann Reaction of Aryl Iodides

Pd（II）催化碘代芳烃的 Ullmann 偶联 反应

Copper-catalyzed C-N coupling reaction namely the Ullmann reaction is one of the most important and efficient method for the synthesis of N-arylated products .

铜催化的C-N偶联反应，即 Ullmann 反应，是合成N-芳基化合物最为重要和有效的方法之一。

During the past century especially after transition metals such as palladium were applied into catalytic reaction researchers found that Ullmann coupling reaction using palladium as catalyst could be carried out under mild conditions and were easy to purify .

在过去一百多年的发展时间里，特别是在钯等过渡金属被用于催化反应以后，人们发现使用钯等过渡金属催化的 Ullmann偶联 反应具有条件温和、反应简单以及后处理容易等优点。

Studies on the pd / mcm-41 catalyzed iodobenzene coupling ( Ullmann ) reaction in aqueous solution

Pd/MCM-41催化水溶液中碘苯 Ullmann 反应的研究

Ullmann-type coupling reaction is one of the most important methods to construct C & C bonds in organic synthesis .

Ullmann偶合 反应是有机合成中构建碳&碳键最重要的方法之一。

Seven new β - DDB derivatives were prepared from gallic acid in 9 steps such as Ullmann coupling reaction alkylation benzoylation etc. The structures of these compounds were identified by (() ~ 1HNMR . )

以没食子酸为 原料， 通过 Ullmann偶合 反应、烷基化、酰基化等9步反应合成了7种-βDDB的衍生物，其结构经1HNMR确认。

Our researches mainly interested in the study of the applications of ionic liquids as new reaction media in Ullmann-type cross coupling reactions the synthesis of new chiral ionic liquids and their applications in asymmetric reactions .

本论文的研究工作主要着眼于 ：离子液体作为新型 有机 溶剂在 Ullmann 型交叉偶联反应中的应用、新型手性离子液体的合成及其在不对称合成中的应用 等 几个方面。

By intermolecular Ullmann coupling reaction s.

通过分子间 Ullmann偶合 反应；

Ullmann Condensation Reaction of Bromamine Acid Using Solid Acid SO_4 ~ ( 2 - ) / TiO_2 as Catalyst

固体酸SO4~（2-）/TiO2催化溴氨酸 Ullmann缩合 反应