Facile N9-Alkylation of Xanthine Derivatives and Their Use as Precursors for <i>N</i>-Heterocyclic Carbene Complexes
The xanthine-derivatives 1,3,7-trimethylxanthine, 1,3-dimethyl-7-benzylxanthine and 1,3-dimethyl-7-(4-chlorobenzyl)xanthine are readily ethylated at N9 using the cheap alkylating agents ethyl tosylate or diethyl sulfate. The resulting xanthinium tosylate or ethyl sulfate salts can be converted into...
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| Автори: | , , , |
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| Формат: | Artigo |
| Мова: | Inglês |
| Опубліковано: |
MDPI AG
2021-06-01
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| Серія: | Molecules |
| Предмети: | |
| Онлайн доступ: | https://www.mdpi.com/1420-3049/26/12/3705 |
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