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Copper-catalyzed radical reactions of 2-azido-N-arylacrylamides with 1-(trifluoromethyl)-1,2-benziodoxole and 1-azidyl-1,2-benziodoxole.
The reactions of 2-azido-N-arylacrylamides with trifluoromethyl radicals and azidyl radicals were investigated by using Togni's reagent and Zhdankin's reagent as the source of these radicals. Under… Expand
tert‐Butyl Hydroperoxide and Tetrabutylammonium Iodide‐Promoted Free Radical Cyclization of α‐Imino‐N‐arylamides and α‐Azido‐N‐arylamides
The oxidizing system of tert-butyl hydroperoxide (TBHP) and tetrabutylammonium iodide (TBAI) is capable of generating -(arylaminocarbonyl)iminyl radicals from ethyl… Expand
Iron-Catalyzed Intramolecular C-H Amination of α-Azidyl Amides.
- Xiaopeng Zhao, Siyu Liang, Xing Fan, Tonghao Yang, Wei Yu
- Chemistry, Medicine
- Organic letters
- 7 March 2019
Iron-catalyzed intramolecular C-H amination of aliphatic azides has recently emerged as a powerful tool for the preparation of nitrogen heterocycles. This paper reports that α-azidyl amides can be… Expand
Synthesis of quinazolinones via radical cyclization of α-azidyl benzamides
This paper reports a new radical-based method for the synthesis of quinazolinones from α-azidyl benzamides. Under the conditions of visible light irradiation with N-bromosuccinimide (NBS), α-azidyl… Expand
Retracted: tert‐Butyl Hydroperoxide and Tetrabutylammonium Iodide‐ Promoted Free Radical Cyclization of α‐Azido‐N‐arylamides
The oxidizing system of tert-butyl hydroperoxide (TBHP) and tetrabutylammonium iodide (TBAI) is capable of engendering α-(aminocarbonyl)iminyl radicals from α-azido-N-phenylacetamides. These iminyl… Expand
Iron-Catalyzed Acyl Migration of Tertiary α-Azidyl Ketones: Synthetic Approach toward Enamides and Isoquinolones.
This paper reports that tertiary α-azidyl phenyl ketones can be transformed into enamides by treatment with FeBr2 at elevated temperature in DMF. The reaction proceeds via 1,2-benzoyl migration from… Expand
Iron-Phosphine Complex-Catalyzed Intramolecular C(sp3)-H Amination of Azides.
Fe(II)-phosphine complex [Fe(dpbz)]Cl2 was demonstrated to be effective for the intramolecular C(sp3)-H amination of organic azides. This catalyst exhibited a high catalytic capacity for the… Expand
Iron-catalysed 1,2-acyl migration of tertiary α-azido ketones and 2-azido-1,3-dicarbonyl compounds
Iron-catalysed 1,2-acyl migration of tertiary α-azido ketones and 2-azido-1,3-dicarbonyl compounds provides a simple and atom-economical approach toward enamides and isoquinolones. This paper reports… Expand
tert‐Butyl Hydroperoxide and Tetrabutylammonium Iodide‐Promoted Free Radical Cyclization of α‐Imino‐N‐arylamides and α‐Azido‐N‐arylamides.