Visible light-mediated intramolecular C-H arylation of diazonium salts of N-(2-aminoaryl)benzoimines: a facile synthesis of 6-arylphenanthridines

被引：31
|
作者：
Natarajan, Palani [1 ]
Kumar, Naveen
Sharma, Manjeet
机构：
[1] Panjab Univ, Dept Chem, Chandigarh 160014, India
来源：
ORGANIC CHEMISTRY FRONTIERS | 2016年 / 3卷 / 10期
关键词：
TRANSITION-METAL-FREE; PHENANTHRIDINE DERIVATIVES; OXIDATIVE CYCLIZATION; PHOTOREDOX CATALYSIS; 2-ISOCYANOBIPHENYLS; FUNCTIONALIZATION; HETEROARENES; ISOCYANIDES; ISONITRILES; ACYLOXIMES;
D O I：
10.1039/c6qo00275g
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Utilizing [Ru(bpy)(3)]Cl-2 as a photoredox catalyst and a blue LED as an irradiation source, moderate to good yields of 6-arylphenanthridines were obtained from aryl diazonium salts in situ formed from the reactions of N-(2-aminoaryl) benzoimines and tert-butyl nitrite (tBuONO). Although few visible light-mediated protocols are available for the synthesis of 6-arylphenanthridines, this work provides a new method to access them readily from inexpensive and environmentally benign starting materials.
引用
收藏
页码：1265 / 1270
页数：6
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