A Simple and Convenient One-Pot Synthesis of Benzimidazole Derivatives Using Cobalt(II) Chloride Hexahydrate as Catalyst

REFERENCES

• Bhattacharya , S. ; Chaudhuri , P. Medical implications of benzimidazole derivatives as drugs designed for targeting DNA and DNA associated processes . Curr. Med. Chem. 2008 , 15 , 1762 – 1777 , and references cited therein .
   PubMed Web of Science ®Google Scholar
• Chi , Y.-C. ; Sun , C.-M. Soluble polymer-supported synthesis of a benz-imidazole library . Synlett 2000 , 591 – 594 .
   Web of Science ®Google Scholar
• Huang , W. ; Scarborough , R. M. A new “traceless” solid-phase synthesis strategy: Synthesis of a benzimidazole library . Tetrahedron Lett. 1999 , 40 , 2665 – 2668 .
   Web of Science ®Google Scholar
• Dudd , L. M. ; Venardou , E. ; Garcia-Verdugo , E. ; Licence , P. ; Blake , A. J. ; Wilson , C. ; Poliakoff , M. Synthesis of benzimidazoles in high-temperature water . Green Chem. 2003 , 5 , 187 – 192 .
   Web of Science ®Google Scholar
• Goker , H. ; Ku , C. ; Boykin , D. W. ; Yildiz , S. ; Altanar , N. Synthesis of some new 2-substituted-phenyl-1H-benzimidazole-5-carbonitriles and their potent activity against Candida species . Bioorg. Med. Chem. 2002 , 10 , 2589 – 2596 .
   PubMed Web of Science ®Google Scholar
• Gogoi , P. ; Konwar , D. An efficient and one-pot synthesis of imidazolines and benzimidazoles via anaerobic oxidation of carbon–nitrogen bonds in water . Tetrahedron Lett. 2006 , 47 , 79 – 82 .
   Web of Science ®Google Scholar
• Navarrete-Vazquez , G. ; Moreno-Diaz , H. ; Aguirre-Crespo , F. ; Leon-Rivera , I. ; Villalobs-Molina , R. ; Munoz-Munizd , O. ; Estrada-Soto , S. Design, microwave-assisted synthesis, and spasmolytic activity of 2-(alkyloxyaryl)-1H-benzimidazole derivatives as constrained stilbene bioisosteres . Bioorg. Med. Chem. Lett. 2006 , 16 , 4169 – 4173 .
   PubMed Web of Science ®Google Scholar
• Salehi , P. ; Dabiri , M. ; Zolfigol , M. A. ; Otokesh , S. ; Baghbanzadeh , M. Selective synthesis of 2-aryl-1-arylmethyl-1H-1,3-benzimidazoles in water at ambient temperature . Tetrahedron Lett. 2006 , 47 , 2557 – 2560 .
   Web of Science ®Google Scholar
• Du , L.-H. ; Wang , Y.-G. A rapid and efficient synthesis of benzimidazoles using hypervalent iodine as oxidant . Synthesis 2007 , 675 – 678 .
   Web of Science ®Google Scholar
• Bahrami , K. ; Khodaei , M. M. ; Kavianinia , I. A simple and efficient one-pot synthesis of 2-substituted benzimidazoles . Synthesis 2007 , 547 – 550 .
   Web of Science ®Google Scholar
• Lin , S. ; Yang , L. A simple and efficient procedure for the synthesis of benzimidazoles using air as the oxidant. Tetrahedron Lett. 2005, 46, 4315–4319.
   Web of Science ®Google Scholar
• Das , B. ; Holla , H. ; Srinivas , Y. Efficient (bromodimethyl)sulfonium bromide–mediated synthesis of benzimidazoles . Tetrahedron Lett. 2007 , 48 , 61 – 64 .
   Web of Science ®Google Scholar
• Bahrami , K. ; Khodaei , M. M. ; Naali , F. Mild and highly efficient method for the synthesis of 2-arylbenzimidazoles and 2-arylbenzothiazoles . J. Org. Chem. 2008 , 73 , 6835 – 6837 .
   PubMed Web of Science ®Google Scholar
• Khan , A. T. ; Parvin , T. ; Choudhury , L. H. Iron(III) chloride–catalyzed convenient one-pot synthesis of β-acetamido carbonyl compounds . Tetrahedron 2007 , 63 , 5593 – 5601 , and references cited therein .
   Web of Science ®Google Scholar
• Alloum , A. B. ; Bougrin , K. ; Soufiaoui , M. Synthèse chimiosélective des benzimida zoles sur silice traitée par le chlorure du thionyle . Tetrahedron Lett. 2003 , 44 , 5935 – 5937 .
   Web of Science ®Google Scholar