Nickel-catalyzed Suzuki cross-coupling reaction of alkyl triaryl phosphonium salts

被引：2
|
作者：
Zhu, Meiqi [1 ]
Yu, Wen [1 ]
Zhong, Qin [1 ]
Cui, Benqiang [1 ]
Cao, Changsheng [1 ]
Shi, Yanhui [1 ]
机构：
[1] Jiangsu Normal Univ, Sch Chem & Mat Sci, Xuzhou 221116, Peoples R China
来源：
TETRAHEDRON | 2023年 / 135卷
基金：
中国国家自然科学基金;
关键词：
Suzuki cross-coupling reaction; Quaternary phosphonium salt; C-P bond Activation; Ni catalysis; PALLADIUM COMPLEXES; BOND-CLEAVAGE; ARYL HALIDES; LIGAND-FREE; FUNCTIONALIZATION; EFFICIENT; REAGENTS; NEGISHI; ESTERS; NANOPARTICLES;
D O I：
10.1016/j.tet.2023.133321
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The Suzuki cross-coupling reaction of triphenyl quaternary phosphonium triflates with boronic acids was reported. The reaction was catalyzed by Ni(COD)2 without additional ligand, using Cs2CO3 as the base in toluene, and various biphenyls were synthesized in medium to excellent yields. This protocol has a wide adaptability to boronic acids, and many functional groups are tolerated. The method is scalable and could be performed on the gram scale. The regioselective arylation of differently substituted phenyl phos-phonium triflates was observed at the side of electron-deficient phenyl group. (c) 2023 Elsevier Ltd. All rights reserved.
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页数：11
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