Visible-Light Induced Radical Perfluoroalkylation/Cyclization Strategy To Access 2-Perfluoroalkylbenzothiazoles/Benzoselenazoles by EDA Complex

Autor: Yufen Zhao, Lingbo Qu, Xiao-Yun Li, Yan Liu, Xiaolan Chen, Xiao-Ceng Liu, Fan-Lin Zeng, Kai Sun, Bing Yu
Rok vydání: 2019
Předmět:
Zdroj: Organic letters. 21(11)
ISSN: 1523-7052
Popis: A novel and practical fluoroalkyl radical-initiated cascade reaction was developed to access diverse 2-fluoroalkylbenzothiazoles by reacting various fluoroalkyl radical sources, including perfluoroalkyl iodide (IC nF2 n+1, n = 3-8, 10), ICF(CF3)2, ICF2COOEt, ICF2CF2Cl, or ICF2CF2Br, tetramethylethane-1,2-diamine (TMEDA), and 2-isocyanoaryl thioethers in tetrahydrofuran under nitrogen atmosphere and blue-light irradiation conditions. Furthermore, this one-pot protocol could well be expanded to access various 2-fluoroalkylbenzoselenazoles starting from (2-isocyanophenyl)(methyl)selane, perfluoroalkyl iodides (IC nF2 n+1, n = 3-8) or ICF2COOEt and TMEDA.
Databáze: OpenAIRE