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Preparation and characterization of a novel DABCO‐based ionic liquid supported on Fe 3 O 4 @TiO 2 nanoparticles and investigation of its catalytic activity in the synthesis of quinazolinones
Author(s) -
BakhshaliDehkordi Raziyeh,
Ghasemzadeh Mohammad Ali,
SafaeiGhomi Javad
Publication year - 2020
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.5721
Subject(s) - chemistry , ionic liquid , dabco , dimedone , catalysis , magnetic nanoparticles , nanoparticle , nuclear chemistry , proton nmr , chemical engineering , organic chemistry , engineering
In this study, quinazolinone derivatives have been synthesized via a suitable and efficient procedure by one‐potmulti‐component reactions of 3‐amino‐1,2,4‐triazole or 2‐aminobenzimidazole, dimedone and aromatic aldehydes in the presence of Fe 3 O 4 @TiO 2 ‐IL as nanocatalyst under solvent‐free condition. The products were prepared in good to excellent yields using Fe 3 O 4 @TiO 2 ‐IL magnetic nanocatalyst. The Fe 3 O 4 @TiO 2 magnetic nanoparticles (MNPs) were prepared using beet juice extract and functionalized with IL based on DABCO. Moreover, the core‐shell structured magnetic Fe 3 O 4 @TiO 2 ‐IL has been characterized by different techniques such as 1 H‐NMR, FT‐IR, VSM, XRD, SEM, TGA, TEM and EDX. To the best of our knowledge, the prepared ionic liquid displayed a good protective and activator agent for magnetic nanocatalyst.