Desulfonylative Radical Truce-Smiles Rearrangement Utilizing the Benzimidazoline and Benzimidazolium Redox Couple

被引:0
|
作者
Miyajima, Ryo [1 ]
Okamura, Manon [1 ]
Oomori, Kazuki [1 ]
Iwamoto, Hajime [1 ]
Wakamatsu, Kan [2 ]
Hasegawa, Eietsu [1 ]
机构
[1] Niigata Univ, Fac Sci, Dept Chem, 8050 Ikarashi 2,Nishi Ku, Niigata 9502181, Japan
[2] Okayama Univ Sci, Fac Sci, Dept Chem, 1-1 Ridai Cho,Kita Ku, Okayama 7000005, Japan
基金
日本学术振兴会;
关键词
benzimidazoline and benzimidazolium redox couple; single-electron transfer; photoreducing catalyst; radical Truce-Smiles rearrangement; desulfonylative aryl migration; PHOTOINDUCED ELECTRON-TRANSFER; TRANSFER PROBES; HYDROGEN-ATOM; LEAVING GROUP; ALPHA; REDUCTION; HYDRIDE; ELECTROCHEMISTRY; TRANSITION; CLEAVAGE;
D O I
10.1055/a-2153-6594
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
We have developed protocols for promoting redox reactions utilizing the 2-substituted 1,3-dimethylbenzimidazoline (BIH-R) and benzimidazolium (BI*-R) couples which were applied to the desulfonylative radical Truce-Smiles rearrangement. Expected rearrangement products formed in modest to good yields in these processes, in which added or in situ generated BIH-R serve as electron-and hydrogen-atom-donating reagents or photocatalysts. DFT calculations were carried out to gain the information about the radical intermediates involved in the rearrangement reaction.
引用
收藏
页码:352 / 356
页数:5
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