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Title
Synthesis of pyrazol-quinazolinones and 2,3dihydroquinazolin4(1H)ones using CoAl2O4 nanoparticles as heterogeneous catalyst
Type Article
Keywords
Not Record
Abstract
The preparation and characterization of cobalt aluminate (CoAl2O4) magnetic nanoparticles and its application as a catalyst for the synthesis of a novel class of pyrazol-quinazolinones and 2,3-dihydroquinazolin-4(1H)-ones is described. The structure of the catalyst was studied by Fourier transform infrared spectroscopy, transmission electron microscopy, X-ray difraction, and vibrating sample magnetometer analysis. The resulting cobalt aluminate (CoAl2O4) was an efcient catalyst and afords the desired products in good to excellent yields. Moreover, the catalyst could be easily recovered by magnetic separation and recycled for four times without signifcant loss of its catalytic activity.
Researchers Hossein Raanaei (Fifth researcher) , Khodabakhsh Niknam (Not in first six researchers)