Photoinduced Homolysis of the Ni-P Bond via Ligand to Metal Charge Transfer for C-P Bond Formation in Nickel Catalysis

被引：8

作者：

Ma, Yunpeng ^{[1
]}

Luo, Hang ^{[1
]}

Lin, Luqing ^{[1
]}

机构：

[1] Dalian Univ Technol, Zhang Dayu Sch Chem, Dalian 116024, Liaoning, Peoples R China

来源：

ORGANIC LETTERS | 2023年 / 25卷 / 19期

关键词：

PHOTOREDOX; PHOSPHORYLATION;

D O I：

10.1021/acs.orglett.3c01079

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Photoinduced homolysis of NiII-carbon and -heter-oatom bonds has been well studied for carbon-heteroatom couplings, but homolysis of the NiII-P bond is still undisclosed. Herein, we describe the homolysis of NiII-P bonds via ligand to metal charge transfer to access active nickel(I) complexes and phosphorus-centered radicals under visible-light irradiation for C-P couplings of diaryl phosphine oxides with aryl bromides. Experimental studies demonstrated that visible light enabled homolysis of the NiII-P bond and the NiI/NiIII self-sustained cycle was involved in C-P bond formation. Furthermore, homolysis of the NiII-P bond can be applied to the hydrophosphination of [1.1.1]propellane in single-nickel photocatalysis.

引用

页码：3492 / 3496

页数：5

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