Preparation of Polyhydroacridines and Polyhydroquinolines Using BPHSBF as a Novel Organic–Inorganic Hybrid Magnetic Nanocatalyst

Initially, 1,3-bis(4-pyridyl)propane hydrogen sulfate grafted to chloropropyl functionalized bilayer silica-nano-Fe 3 O 4 (BPHSBF) has been synthesized. The resulting nanocomposite has been characterized by Fourier transform infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy (EDS),...

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Published in:Journal of inorganic and organometallic polymers and materials 2024-03, Vol.34 (3), p.1136-1149
Main Authors: Abdullaev, Sherzod Shukhratovich, Al-Hawary, Sulieman Ibraheem Shelash, Al-dolaimy, F., Saleh, Ebraheem Abdu Musad, Shoja, Sarah Jawad, Alkhayyat, Murtadha Raad Radhi, Alsaalamy, Ali H., Shaghnab, Murtadha Lafta, Fathollahi, Rohollah
Format: Article
Language:English
Subjects:
Bilayers
Chemical synthesis
Chemistry
Chemistry and Materials Science
Electron microscopy
Field emission microscopy
Field emission spectroscopy
Fourier transforms
Infrared spectroscopy
Inorganic Chemistry
Iron oxides
Magnetic measurement
Microscopy
Nanocomposites
Organic Chemistry
Polymer Sciences
Recyclability
Spectrum analysis
Thermal analysis
Thermogravimetric analysis
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Summary:Initially, 1,3-bis(4-pyridyl)propane hydrogen sulfate grafted to chloropropyl functionalized bilayer silica-nano-Fe 3 O 4 (BPHSBF) has been synthesized. The resulting nanocomposite has been characterized by Fourier transform infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy (EDS), field emission scanning electron microscopy (FE SEM), transmission electron microscopy (TEM), vibrating sample magnetometry (VSM), thermal gravimetric analysis (TGA), Brunauer–Emmett–Teller (BET) and X-ray diffraction (XRD) analyses. Afterward, polyhydroacridines and polyhydroquinolines were produced in a one-pot multicomponent synthesis (via Hantzsch reaction) in the presence of our magnetic nanocatalyst and in a solvent-free environment. Some of the key characteristics of this protocol are atom economy, high yields, very suitable turnover number (TON) and turnover frequency (TOF) values, simple work-up, environmental friendliness, simplicity in separating the catalyst by an external magnet, and mild reaction conditions. Furthermore, in both synthetic protocols, the heterogeneous nature of BPHSBF was investigated and affirmed by utilizing the hot filtration technique and its remarkable recyclability and reusability in 6 runs. Graphical Abstract
ISSN:1574-1443
1574-1451
DOI:10.1007/s10904-023-02859-7