A novel Pd-metalated porous organic phenanthroline-based polymer for heterogeneous cyanation of aryl halides.

IF 3.3 3区 化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR
Xuan Lai, Sanqi Liang, Wu Zhang, Jie Lin, Jiale Huang, Shunmin Ding, Shengjun Deng
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引用次数: 0

Abstract

The construction of porous organic phenanthroline-based polymers without functional groups is meaningful but also challenging, as they could offer a novel, single-site, stable platform for diverse catalytic applications. In this study, a unique strategy was devised to construct porous organic phenanthroline-based polymers (POP-Phen-X) without reactive/coordinating functional groups in the polymer skeleton. The polymers POP-Phen-X with high BET surface areas were synthesized using a solvent knitting Friedel-Crafts polymerization method. The well-defined and isolated phenanthroline sites of POP-Phen-X can serve as a platform for the immobilization of metal catalysts via coordination bonds. The post-synthetic metalation of POP-Phen-A with palladium(II) acetate afforded a selective heterogeneous Pd catalyst for the cyanation of aryl halides. The resulting Pd/POP-Phen-A exhibited effective catalytic performance towards the cyanation of aryl halides with a TON of 200 and good recyclability.

一种用于芳卤化合物异构氰化的新型钯金属化多孔有机菲罗啉聚合物。
构建无官能团的多孔有机菲罗啉聚合物是有意义的,但也是具有挑战性的,因为它们可以为各种催化应用提供一种新颖的、单位点的、稳定的平台。在这项研究中,设计了一种独特的策略来构建多孔有机菲罗啉基聚合物(pop - phenx),在聚合物骨架中没有反应性/配位官能团。采用溶剂编织Friedel-Crafts聚合法制备了具有高BET表面积的聚合物POP-Phen-X。pop - pheni - x的邻菲罗啉位点明确且分离,可作为通过配位键固定金属催化剂的平台。pop - phena与醋酸钯合成后的金属化反应为芳基卤化物的氰化反应提供了一种选择性的非均相钯催化剂。所制得的Pd/POP-Phen-A对芳烃卤化物氰化反应具有良好的催化性能,TON为200,可回收性好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Dalton Transactions
Dalton Transactions 化学-无机化学与核化学
CiteScore
6.60
自引率
7.50%
发文量
1832
审稿时长
1.5 months
期刊介绍: Dalton Transactions is a journal for all areas of inorganic chemistry, which encompasses the organometallic, bioinorganic and materials chemistry of the elements, with applications including synthesis, catalysis, energy conversion/storage, electrical devices and medicine. Dalton Transactions welcomes high-quality, original submissions in all of these areas and more, where the advancement of knowledge in inorganic chemistry is significant.
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