Chemistry - An Asian Journal, Journal Year: 2024, Volume and Issue: unknown
Published: Nov. 4, 2024
We have developed a visible-light-mediated convenient and efficient strategy for the iodination of heteroarenes using diacetoxyiodobenzene (PIDA) under photocatalyst-free conditions. This unique approach is first report on photocatalytic C-H employing PIDA as iodinating agent. The new applicable to wide range pyrazolo[1,5-a]pyrimidine derivatives with various functionalities. Iodination other electron-rich heterocycles like imidazo[1,2-a]pyridine, imidazo[1,2-a]pyrimidine, imidazo[2,1-b]thiazole, benzo[d]imidazo[2,1-b]thiazole, pyrazoles has been accomplished this benign protocol. usefulness 3-iodo synthetic intermediate in synthesizing functionalized pyrazolo[1,5-a]pyrimidines demonstrated.
Language: Английский