The cycloaddition chemistry of 3-oxidopyraziniums. Dimerisation of 1-(4-methoxybenzyl)-5,6-dimethyl-3-oxidopyrazinium
3-Oxidopyraziniums are accessed from 2(1H)-pyrazinones via N-alkylation and then exposure of the resulting pyrazinium salts to mild base at room temperature. 3-Oxidopyraziniums react with acrylates in a 1,3-dipolar cyclisation producing 3,8-diazabicyclo[3.2.1]octanes. 1-(4-methoxybenzyl)-5,6-dimethy...
| Autores: | , , , |
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| Tipo de documento: | artigo |
| Estado: | Versão publicada |
| Data de publicação: | 2024 |
| País: | España |
| Recursos: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repositório: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:10256/25171 |
| Acesso em linha: | http://hdl.handle.net/10256/25171 |
| Access Level: | Acceso aberto |
| Palavra-chave: | Reaccions d'addició Ciclització (Química) Compostos orgànics Addition reactions Ring formation (Chemistry) Organic compounds |
| Resumo: | 3-Oxidopyraziniums are accessed from 2(1H)-pyrazinones via N-alkylation and then exposure of the resulting pyrazinium salts to mild base at room temperature. 3-Oxidopyraziniums react with acrylates in a 1,3-dipolar cyclisation producing 3,8-diazabicyclo[3.2.1]octanes. 1-(4-methoxybenzyl)-5,6-dimethyl-3-oxidopyrazinium (C14H16N2O2) dimerises at room temperature, forming a tetracyclic alcohol C28H34N4O5, the structure of which was elucidated using spectroscopic and X-ray analyses |
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