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N-heteroatom substitution effect in 3-aza-cope rearrangements
BACKGROUND: The nature of the heteroatom substitution in the nitrogen of a 3-aza-Cope system is explored. RESULTS: While N-propargyl isoxazolin-5-ones suffer 3-aza-Cope rearrangements at 60°C, the corresponding N-propargyl pyrazol-5-ones need a higher temperature of 180°C for the equivalent reaction...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2013
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3702470/ https://www.ncbi.nlm.nih.gov/pubmed/23714005 http://dx.doi.org/10.1186/1752-153X-7-94 |