期刊
SYNLETT
卷 27, 期 10, 页码 1511-1515出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0035-1561420
关键词
nanostructure ionic liquid; [2,2 '-bipyridine]-1,1 '-diium tricyanomethanide; 2-aryl-5-methyl-2; 3-dihydro-1H-3-pyrazolone; solvent-free condition
资金
- Bu-Ali Sina University
- Iran National Science Foundation (INSF) [94002177]
{[2,2-BPyH][C(CN)(3)](2)} was synthesized and fully characterized by IR, H-1 NMR, C-13 NMR, mass, X-ray diffraction patterns (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric (TG), and differential thermal (DTA) analysis. [2,2-Bipyridine]-1,1-diium tricyanomethanide {[2,2-BPyH][C(CN)(3)](2)} as a bifunctional nanostructure ionic liquid beneficial catalyzed the synthesis of 2-aryl-5-methyl-2,3-dihydro-1H-3-pyrazolone derivatives via the one-pot, four-component condensation reaction of aromatic aldehydes, ethyl acetoacetate, phenyl hydrazine, and -naphthol under solvent-free conditions at room temperature. The major advantages of the offered process are efficient catalysis and recyclability of catalyst.
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