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Synthesis, Characterization, and Application of Poly(N, N′-dibromo-N-ethylnaphthyl-2, 7-disulfonamide) as an Efficient Reagent for the Synthesis of 2-Arylbenzimidazole and 2-Aryl-1-arylmethyl-1H-1, 3-benzimidazole Derivatives. (6th May 2015)
Record Type:
Journal Article
Title:
Synthesis, Characterization, and Application of Poly(N, N′-dibromo-N-ethylnaphthyl-2, 7-disulfonamide) as an Efficient Reagent for the Synthesis of 2-Arylbenzimidazole and 2-Aryl-1-arylmethyl-1H-1, 3-benzimidazole Derivatives. (6th May 2015)
Main Title:
Synthesis, Characterization, and Application of Poly(N, N′-dibromo-N-ethylnaphthyl-2, 7-disulfonamide) as an Efficient Reagent for the Synthesis of 2-Arylbenzimidazole and 2-Aryl-1-arylmethyl-1H-1, 3-benzimidazole Derivatives
Abstract : The condensation of O-phenylenediamine (OPD) with aryl aldehydes is carried out in acetonitrile using poly(N, N′-dibromo-N-ethylnaphthyl-2, 7-disulfonamide) (PBNS) as a novel and heterogeneous catalyst. PBNS has some potential advantages which include ease of separation from the reaction mixture by simple filtration, easy preparation, recoverablility, convenience, and stability under normal condition and also is not dangerous as molecular bromine.