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Metal-Free Aziridination of Unactivated Olefins via Transient N-Pyridinium Iminoiodinanes
被引:1
|作者:
Tan, Hao
[1
]
Thai, Phong
[1
]
Sengupta, Uddalak
[1
]
Deavenport, Isaac R.
[1
]
Kucifer, Cali M.
[1
]
Powers, David C.
[1
]
机构:
[1] Texas A&M Univ, Dept Chem, College Stn, TX 77843 USA
来源:
JACS AU
|
2024年
/
4卷
/
11期
基金:
美国国家卫生研究院;
关键词:
olefin aziridination;
iminoiodinane;
nitrogen-grouptransfer;
C-N coupling;
N-aminopyridinium;
ELECTROCHEMICAL AZIRIDINATION;
CATALYZED AZIRIDINATION;
IODINE;
MECHANISM;
ALCOHOLS;
ALKENES;
ELUCIDATION;
ACTIVATION;
CHEMISTRY;
EFFICIENT;
D O I:
10.1021/jacsau.4c00556
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
We describe a metal-free aziridination of unactivated olefins to generate N-pyridinium aziridines. Subsequent cross-coupling affords N-aryl aziridines, and reductive depyridylation affords N-H aziridines. Kinetics experiments, based on a variable time normalization analysis (VTNA), indicate that aziridination proceeds via a highly electrophilic N-pyridinium iminoiodinane intermediate. These studies expand build-and-couple aziridine synthesis to unactivated olefins and introduce charge-enhanced electrophilicity into the chemistry of iminoiodinanes.
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页码:4187 / 4193
页数:7
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