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Efficient synthetic protocols for the preparation of common N-heterocyclic carbene precursors
The one-pot condensation of glyoxal, two equivalents of cyclohexylamine, and paraformaldehyde in the presence of aqueous HBF(4) provided a straightforward access to 1,3-dicyclohexylimidazolium tetrafluoroborate (ICy·HBF(4)). 1,3-Dibenzylimidazolium tetrafluoroborate (IBn·HBF(4)) was obtained along t...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Beilstein-Institut
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4685873/ https://www.ncbi.nlm.nih.gov/pubmed/26734080 http://dx.doi.org/10.3762/bjoc.11.252 |