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FeNH(4)(SO(4))(2)·12H(2)O (alum)-catalyzed preparation of 1,4-dihydropyridines: improved conditions for the Hantzsch reaction
ABSTRACT: FeNH(4)(SO(4))(2)·12H(2)O (alum) efficiently catalyzes the one-pot three-component reaction of dimedone, aldehydes, and 3-aminocrotonate to afford 1,4-dihydropyridines. The work-up is easy, and the products are obtained in good to excellent yields and high purity. GRAPHICAL ABSTRACT: [Imag...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer Vienna
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4495042/ https://www.ncbi.nlm.nih.gov/pubmed/26166866 http://dx.doi.org/10.1007/s00706-011-0672-6 |