期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 52, 页码 18942-18947出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201911356
关键词
heterogeneous catalysis; mechanochemistry; poly(para-phenylene); sustainable chemistry; Suzuki cross-coupling
资金
- Federal Ministry of Education and Research (Bundesministerium fur Bildung und Forschung, BMBF) [03SF0498]
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.
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