TY - JOUR
T1 - Sulfonated Silica Coated CoFe2O4 Magnetic Nanoparticles for the Synthesis of 3,4-Dihydropyrimidin-2(1H)-One and Octahydroquinazoline Derivatives
AU - Afshari, Mozhgan
AU - Carabineiro, Sónia A. C.
AU - Gorjizadeh, Maryam
N1 - Funding Information:
info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50006%2F2020/PT#
SACC is grateful to Fundação para a Ciência e a Tecnologia (FCT), Portugal for Scientific Employment Stimulus-Institutional Call (CEEC-INST/00102/2018) and to the Associate Laboratory for Green Chemistry-LAQV financed by national funds from FCT/MCTES (UIDP/5006/2020).
Funding Information:
The authors wish to acknowledge the support of this work by the Research Council of Shoushtar Branch, Islamic Azad University, Shoushtar, Iran.
Publisher Copyright:
© 2023 by the authors.
PY - 2023/6/9
Y1 - 2023/6/9
N2 - Sulfonated-silica-coated cobalt ferrite (CoFe2O4) magnetic nanoparticles (MNPs-SiCoFe-SO3H) are efficient heterogeneous catalysts for the synthesis of 3,4-dihydropyrimidin-2(1H)-one and octahydroquinazoline derivatives in the absence of solvent. The effects of solvent, temperature, and catalyst amount on the reaction are investigated. The easy separation, reusability of the catalyst, simplicity of the procedure, mild reaction conditions, and good yields (68–95%) within short reaction times (15–70 min) are the advantages of this method. The catalyst can be reused up to eight times with not much loss of activity. Scanning electron microscopy images, X-ray diffraction spectra, and elemental analysis of the recycled catalyst show that the catalyst is stable after the reaction.
AB - Sulfonated-silica-coated cobalt ferrite (CoFe2O4) magnetic nanoparticles (MNPs-SiCoFe-SO3H) are efficient heterogeneous catalysts for the synthesis of 3,4-dihydropyrimidin-2(1H)-one and octahydroquinazoline derivatives in the absence of solvent. The effects of solvent, temperature, and catalyst amount on the reaction are investigated. The easy separation, reusability of the catalyst, simplicity of the procedure, mild reaction conditions, and good yields (68–95%) within short reaction times (15–70 min) are the advantages of this method. The catalyst can be reused up to eight times with not much loss of activity. Scanning electron microscopy images, X-ray diffraction spectra, and elemental analysis of the recycled catalyst show that the catalyst is stable after the reaction.
KW - 3,4-dihydropyrimidin-2(1H)-one derivative
KW - cobalt ferrite
KW - magnetic nanoparticles
KW - octahydroquinazoline derivatives
KW - sulfonic acid
UR - http://www.scopus.com/inward/record.url?scp=85163897081&partnerID=8YFLogxK
U2 - 10.3390/catal13060989
DO - 10.3390/catal13060989
M3 - Article
AN - SCOPUS:85163897081
SN - 2073-4344
VL - 13
JO - Catalysts
JF - Catalysts
IS - 6
M1 - 989
ER -