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直接机械催化：钯作为机械化学铃木聚合反应中的研磨介质和催化剂

Direct Mechanocatalysis: Palladium as Milling Media and Catalyst in the Mechanochemical Suzuki Polymerization.

作者信息

Vogt Christian G, Grätz Sven, Lukin Stipe, Halasz Ivan, Etter Martin, Evans Jack D, Borchardt Lars

机构信息

Inorganic Chemistry I, Technische Universität Dresden, Bergstrasse 66, 01062, Dresden, Germany.

Inorganic Chemistry I, Ruhr-Universität Bochum, Universitätsstrasse 150, 44780, Bochum, Germany.

出版信息

Angew Chem Int Ed Engl. 2019 Dec 19;58(52):18942-18947. doi: 10.1002/anie.201911356. Epub 2019 Nov 7.

DOI:10.1002/anie.201911356
PMID:31593331
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6972522/
Abstract

The milling ball is the catalyst. We introduce a palladium-catalyzed reaction inside a ball mill, which makes catalyst powders, ligands, and solvents obsolete. We present a facile and highly sustainable synthesis concept for palladium-catalyzed C-C coupling reactions, exemplarily showcased for the Suzuki polymerization of 4-bromo or 4-iodophenylboronic acid giving poly(para-phenylene). Surprisingly, we observe one of the highest degrees of polymerization (199) reported so far.

摘要

研磨球即为催化剂。我们在球磨机内引入了钯催化反应，这使得催化剂粉末、配体和溶剂不再必要。我们提出了一种用于钯催化碳 - 碳偶联反应的简便且高度可持续的合成概念，以4 - 溴或4 - 碘苯硼酸的铃木聚合反应为例进行展示，该反应生成聚对亚苯基。令人惊讶的是，我们观察到了迄今为止报道的最高聚合度之一（199）。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5511/6972522/3ba8f435f9d4/ANIE-58-18942-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5511/6972522/9303f574b815/ANIE-58-18942-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5511/6972522/979d28b2fd0b/ANIE-58-18942-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5511/6972522/3ba8f435f9d4/ANIE-58-18942-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5511/6972522/9303f574b815/ANIE-58-18942-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5511/6972522/979d28b2fd0b/ANIE-58-18942-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5511/6972522/3ba8f435f9d4/ANIE-58-18942-g002.jpg

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