共 52 条
Palladium-Catalyzed Asymmetric Decarboxylation of 5-Vinyloxazolidine-2,4-Diones Triggering the Dearomatization of Electron-Deficient Indoles for the Synthesis of Chiral Highly Functionalized Pyrroloindolines
被引:12
作者:
Dou, Pei-Hao
[1
,2
,3
]
Fu, Xiao-Hui
[1
,2
,3
]
Chen, Yan
[1
,2
,3
]
Ge, Zhen-Zhen
[2
,3
]
Zhou, Ming-Qiang
[2
,3
]
Wang, Zhen-Hua
[1
]
You, Yong
[1
]
Yang, Lei
[1
]
Zhang, Yan-Ping
[1
]
Zhao, Jian-Qiang
[1
]
Yuan, Wei-Cheng
[1
,2
,3
]
机构:
[1] Chengdu Univ, Inst Adv Study, Innovat Res Ctr Chiral Drugs, Chengdu 610106, Peoples R China
[2] Chinese Acad Sci, Chengdu Inst Organ Chem, Natl Engn Res Ctr Chiral Drugs, Chengdu 610041, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
基金:
中国国家自然科学基金;
关键词:
ENANTIOSELECTIVE SYNTHESIS;
CASCADE DEAROMATIZATION;
CONSTRUCTION;
CYCLOADDITION;
DERIVATIVES;
ACCESS;
FUROINDOLINES;
ANNULATION;
CATIONS;
D O I:
10.1021/acs.orglett.4c01003
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
A catalyst system consisting of a chiral phosphoramidite ligand and Pd-2(dba)(3)<middle dot>CHCl3 causes the decarboxylation of 5-vinyloxazolidine-2,4-diones to generate amide-containing aza-pi-allylpalladium 1,3-dipole intermediates, which are capable of triggering the dearomatization of 3-nitroindoles for diastereo- and enantioselective [3+2] cycloaddition, leading to the formation of a series of highly functionalized pyrroloindolines containing three contiguous stereogenic centers with excellent results (up to 99% yield, 88:12 dr, and 96% ee).
引用
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页码:3310 / 3315
页数:6
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