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Silica-supported Zinc Chloride (ZnCl2/SiO2)-induced Efficient Protocol for the Synthesis of N-sulfonyl imines and 2-Arylbenzothiazole

Author(s):

Hanan A. Soliman*, Mahmoud El-Shahat and Abdel-Ghany Soliman   Pages 1 - 8 ( 8 )

Abstract:


A straightforward strategy for the synthesis of N-sulfonyl imine derivatives from sulfonamides and aryl aldehydes utilizing Silica-supported zinc chloride (ZnCl2/SiO2, silzic) as a catalyst under solvent-free conditions has been developed. 2-Arylbenzothiazole derivatives were also synthesized by the reaction of 2-aminothiophenol with aryl aldehydes under the same conditions. This procedure has advantages of high yields, mild reaction condition, simple procedure, low cost, and simplicity of workup. The catalyst has the same efficiency on its reuse up to three times.

Keywords:

N-sulfonyl imine, ZnCl2/SiO2, solvent-free, 2-arylbenzothiazole, aryl aldehydes

Affiliation:

Photochemistry Department, National Research Centre, Dokki, Cairo, Photochemistry Department, National Research Centre, Dokki, Cairo, National Institute of Oceanography and fisheries



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