Journal
MOLECULAR DIVERSITY
Volume 14, Issue 2, Pages 249-256Publisher
SPRINGER
DOI: 10.1007/s11030-009-9169-1
Keywords
o-Phenylenediamine; Benzimidazoles; 1,5-Benzodiazepines; PBBS; TBBDA
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Funding
- Bu-Ali Sina University, Center of Excellence and development of Chemical Methods (CEDCM)
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Poly(N, N'-dibromo-N-ethyl-benzene-1, 3-di-sulfonamide) (PBBS) and N, N, N', N'- tetrabromobenzene-1,3-disulfonamide (TBBDA) are effective catalysts for the one-pot synthesis of 2-aryl-1-arylmethyl-1H-1,3-benzimidazoles and 1,5-benzodiazepines and new reagents for synthesis of benzimidazoles from o-phenylenediamine (OPDA) with aldehydes and ketones at room temperature with good to high yield.
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