Synthesis, characterization and application of magnetic biochar sulfonic acid as a highly efficient recyclable catalyst for preparation of spiro-pyrazolo[3,4-b]pyridines

A magnetic biochar sulfonic acid was prepared and characterized by fourier infrared spectroscopy (FT-IR), powder x-ray diffraction technology, scanning electron microscope, transmission electron microscope and vibrating sample magnetometer techniques. The prepared catalyst exhibited excellent cataly...

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Veröffentlicht in:	Research on chemical intermediates 2022-03, Vol.48 (3), p.1249-1272
Hauptverfasser:	Dong, Li-Na, Zhang, Shuai-Zheng, Zhang, Wan-Lu, Dong, Yao, Mo, Li-Ping, Zhang, Zhan-Hui
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis Catalysts Catalytic activity Chemical synthesis Chemistry Chemistry and Materials Science Electron microscopes Infrared spectroscopy Inorganic Chemistry Magnetometers Physical Chemistry Pyridines Sulfonic acid X ray powder diffraction
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