Access to 4-substituted isothiazoles through three-component cascade annulation and their application in C-H activation
| العنوان: | Access to 4-substituted isothiazoles through three-component cascade annulation and their application in C-H activation |
|---|---|
| المؤلفون: | Guoling Huang, Jian Li, Xiuwen Chen, Qiang Liu, Yubing Huang, Lu Chen, Yibiao Li, Xiaoliang Ji |
| المصدر: | Chemical communications (Cambridge, England). 56(43) |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | Annulation, Chemistry, Metals and Alloys, chemistry.chemical_element, General Chemistry, Medicinal chemistry, Sulfur, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, Cascade, Potassium ethyl xanthate, Materials Chemistry, Ceramics and Composites |
| الوصف: | The use of potassium ethyl xanthate (EtOCS2k) as a sulfur atom donor enabled the transition-metal-free [3 + 1 + 1] cascade annulation of isopropene derivatives with NH4I in DMSO/H2O, affording various 4-substituted isothiazoles in moderate to good yields with good functional group compatibility. Furthermore, Pd and Ag-catalyzed C5–H-selective direct oxidation dimerization of 4-substituted isothiazoles afforded 5,5′-bisisothiazoles. This series of reactions included the formation of new C–S, C–N, N–S, and C–C bonds via cascade addition, annulation, and direct C–H activation under mild conditions. |
| تدمد: | 1364-548X |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4912de6868c259b4bd3e791fe01a61df https://pubmed.ncbi.nlm.nih.gov/32319987 |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi.dedup.....4912de6868c259b4bd3e791fe01a61df |
| قاعدة البيانات: | OpenAIRE |
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