Silica/APTPOSS anchored on MnFe2O4 as an efficient nanomagnetic composite for the preparation of spiro-pyrano [2, 3-c] chromene derivatives

Autor:	Samira Moein-Najafabadi, Javad Safaei-Ghomi
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	Nanocomposite Oligomeric silsesquioxane Heterogeneous One-pot synthesis Spirooxindoles Chemistry QD1-999
Zdroj:	BMC Chemistry, Vol 18, Iss 1, Pp 1-11 (2024)
Druh dokumentu:	article
ISSN:	2661-801X
DOI:	10.1186/s13065-024-01270-8
Popis:	Abstract The synthesis of Octakis [3- (3-amino propyl triethoxysilane) propyl] octa-silsesquioxane (APTPOSS), a derivative of polyhedral oligomeric silsesquioxane, was utilized to produce an efficient nanocomposite. MNPs@Silica/APTPOSS was characterized through scanning electron microscopy, Fourier transform infrared spectroscopy, vibrating sample magnetometry, X-ray diffraction, and Thermogravimetric analysis. These magnetic nanoparticles, a combination of organic-inorganic hybrid polyhedral oligomeric silsesquioxane, were utilized as a proficient heterogeneous catalyst in the one-pot synthesis of spirooxindoles derivatives. Furthermore, they could be swiftly isolated and reused six times while maintaining their catalytic efficiency.
Databáze:	Directory of Open Access Journals
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