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- W2924377749 abstract "Cu(I)/Fe(III) promoted C4-dicarbonylation of 5-aminopyrazole is developed. The strategy involved radical triggered direct oxidative coupling of 5-aminopyrazoles with methyl ketones using aerial oxygen as a source of oxygen in newly generated carbonyl group. CuI is used as catalyst and FeCl3·6H2O is used as additive and the reaction proceeded at 120 °C in DMSO for 9–12 h. It is found that use of Cu(II) catalyst gives the thiomethylated product by reacting with DMSO instead of oxidative coupling. A plausible mechanism is also given." @default.
- W2924377749 created "2019-04-01" @default.
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- W2924377749 date "2019-04-01" @default.
- W2924377749 modified "2023-10-12" @default.
- W2924377749 title "Cu(I)/Fe(III) promoted dicarbonylation of aminopyrazole via oxidative C H coupling with methyl ketones" @default.
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- W2924377749 doi "https://doi.org/10.1016/j.tetlet.2019.03.059" @default.
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