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Ir-catalyzed asymmetric hydrogenation of 2-Aryl-3H-indoles with chiral phosphine-phosphoramidite ligands
被引:1
|作者:
Cao, Haiyan
[1
]
Zhou, Mingdong
[1
]
Yin, Hang
[1
]
Zheng, Kaikai
[1
]
Zhang, Zheng
[1
]
Shuai, Qiucen
[1
]
Guan, Ruitong
[1
]
Wang, Kangjun
[1
]
Yang, Ying
[1
]
Guan, Jin
[1
]
Hu, Xinhu
[1
]
机构:
[1] Shenyang Univ Chem Technol, Coll Chem Engn, Shenyang 110142, Peoples R China
关键词:
Hydrogenation;
Asymmetric catalysis;
Iridium;
2-Aryl-3H-indoles;
Chiral phosphine-phosphoramidite ligand;
HIGHLY ENANTIOSELECTIVE SYNTHESIS;
KINETIC RESOLUTION;
INDOLINES;
INDOLES;
ACID;
DEAROMATIZATION;
ALKYLATION;
DIVERSITY;
COMPLEXES;
SCAFFOLDS;
D O I:
10.1016/j.jorganchem.2023.122953
中图分类号:
O61 [无机化学];
学科分类号:
070301 ;
081704 ;
摘要:
An asymmetric synthesis of indolines has been described by using an Ir-catalyzed asymmetric hydrogenation of 2-aryl-3H-indoles with unsymmetrical hybrid chiral phosphine-phosphoramidite ligands. The result indicated that the catalytic performance could be significantly improved by the H8-binaphthyl moiety on this ligand motif. This method is characterized by a high asymmetric induction and a reasonable functional group tolerance, thus providing a concise and efficient approach toward chiral indoline and their derivatives with up to 94 % ee.
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