meta-Selective C-H Borylation of Benzylamine-, Phenethylamine-, and Phenylpropylamine-Derived Amides Enabled by a Single Anionic Ligand.
meta-Selective C-H Borylation of Benzylamine-, Phenethylamine-, and Phenylpropylamine-Derived Amides Enabled by a Single Anionic Ligand.
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DOI:
10.1002/anie.201708967
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发表时间:
2017-10-16
期刊:
影响因子:
--
通讯作者:
Phipps RJ
中科院分区:
文献类型:
--
作者:
Davis HJ;Genov GR;Phipps RJ
Selective functionalization at the meta position of arenes remains a significant challenge. In this work, we demonstrate that a single anionic bipyridine ligand bearing a remote sulfonate group enables selective iridium‐catalyzed borylation of a range of common amine‐containing aromatic molecules at the arene meta position. We propose that this selectivity is the result of a key hydrogen bonding interaction between the substrate and catalyst. The scope of this meta‐selective borylation is demonstrated on amides derived from benzylamines, phenethylamines and phenylpropylamines; amine‐containing building blocks of great utility in many applications.
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