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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 6
BKCSDE 33(6)
June 20, 2012 

SnO2/SiO2 Nanocomposite Catalyzed One-Pot Synthesis of 2-Arylbenzothiazole Derivatives
Ajeet A. Yelwande, Madhukar E. Navgire, Deepak T. Tayde, Balasaheb R. Arbad, Machhindra K. Lande*
Nanocomposite, Sol-gel, SnO2/SiO2, Heterogeneous catalyst, 2-Arylbenzothiazoles
SnO2/SiO2 nanocomposite has been synthesized by using sol-gel method. Prepared catalytic materials has been well characterized by using X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FT-IR), Brunauer-Emmer-Teller (BET) surface area, and temperature-programmed desorption of ammonia (NH3-TPD). SnO2/SiO2 nanocomposite catalyzed synthesis of 2-arylbenzothiazoles by the cyclocondensation of 2-aminothiophenol and aromatic aldehydes under reflux condition in 1:1 EtOH:H2O. After completion of the reaction, catalyst can be recovered efficiently and reused with consistent activity.
1856 - 1860
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