Ligand-tuned cobalt-containing coordination polymers and applications in water,Green Chemistry

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Ligand-tuned cobalt-containing coordination polymers and applications in water
Green Chemistry ( IF 9.3 ) Pub Date : 2020-10-30 , DOI: 10.1039/d0gc02341h
Rong Tao _{1,

2,

3,

4,

5} , Yike Yang _{4,

6,

7,

8} , Haiyan Zhu _{5,

9,

10,

11,

12} , Xinyu Hu _{5,

9,

10,

11,

12} , Dawei Wang _{1,

2,

3,

4,

5}

Affiliation

Ligands play a key role in modern catalysis research and occasionally determine whether a reaction will take place under specific conditions, such as in water. In this experiment, ligands containing an indole-based diacid moiety were employed to prepare the corresponding cobalt coordination polymer material (Co-CIA) and porous oval polymer material (Co-NCIA). Interestingly, it was observed that Co-CIA could promote the alkylation of ketones with alcohols and alcohols with alcohols, while Co-NCIA was effective for the synthesis of 1-benzyl-2-aryl-1H-benzo[d]imidazoles from various phenylenediamine and benzyl alcohols through borrowing hydrogen and dehydrogenation strategies. Other mechanism explorations, such as deuterium labeling experiments and a kinetics study, were conducted to better understand Co-CIA and Co-NCIA systems and the related transformations. Our studies provided an efficient method for the development of highly active cobalt coordination polymer materials with excellent recovery performance for dehydrogenation and borrowing hydrogen reactions under water and base-free conditions.

中文翻译：

配体调谐的含钴配位聚合物及其在水中的应用

配体在现代催化研究中起着关键作用，偶尔会确定反应是否会在特定条件下发生，例如在水中。在该实验中，使用含有基于吲哚的二酸部分的配体来制备相应的钴配位聚合物材料（Co-CIA）和多孔椭圆形聚合物材料（Co-NCIA）。有趣的是，据观察，Co-CIA可以促进酮与醇和醇与醇的烷基化，而Co-NCIA对于合成1-苄基-2-芳基-1 H-苯并[ d]有效。通过借用氢和脱氢策略，从各种苯二胺和苄醇制得]咪唑。进行了其他机制探索，例如氘标记实验和动力学研究，以更好地了解Co-CIA和Co-NCIA系统以及相关的转化。我们的研究为开发高活性钴配位聚合物材料提供了一种有效的方法，该材料具有优异的回收性能，可在水和无碱条件下进行脱氢和借用氢反应。

更新日期：2020-11-16

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