Cyclic(alkyl)(amino)carbene (CAAC)- and bicyclic (alkyl)(amino)carbene (BICAAC)-derived glyoxal radical cations with excellent stability

被引：6
|
作者：
Das, Bindusagar [1 ]
Yadav, Ritu [1 ]
Sharma, Ankita [1 ]
Karmakar, Tarak [1 ]
Kundu, Subrata [1 ]
机构：
[1] Indian Inst Technol Delhi, Dept Chem, Delhi 110016, India
来源：
CHEMICAL COMMUNICATIONS | 2023年 / 59卷 / 35期
关键词：
TRANSITION-METAL-COMPLEXES; PERSISTENT; CARBENES; IONS;
D O I：
10.1039/d3cc00200d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Examples of air-and water-stable main-group radicals are scarce in the literature due to the higher reactivity of radical compounds as well as several synthetic challenges. Herein, we report two stable structurally characterized glyoxal radical cations (1(center dot+) and 2(center dot+)) stabilized by cyclic(alkyl)(amino)carbene (CAAC) and bicyclic (alkyl)(amino)carbene (BICAAC), respectively. Both 1(center dot+) and 2(center dot+) are stable under harsh conditions such as strong acids, bases, mild oxidizing agents, and reducing agents, as well as towards bovine serum. Radical (2(center dot+)) represents the first isolated radical stabilized by a BICAAC ligand.
引用
收藏
页码：5285 / 5288
页数：4
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