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N , N , N ′, N ′‐Tetrabromobenzene‐1,3‐disulfonamide and Poly( N ‐bromo‐ N ‐ethylbenzene‐1,3‐disulfonamide) as Mild and Efficient Catalysts for Solvent‐free Synthesis of N ‐Cyclohexyl‐2‐aryl(alkyl)‐imidazo[1,2‐ a ]pyridin‐3‐amine Derivatives
Author(s) -
GhorbaniVaghei Ramin,
Amiri Mostafa
Publication year - 2014
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.1875
Subject(s) - chemistry , ethylbenzene , isocyanide , amine gas treating , alkyl , aryl , catalysis , solvent , organic chemistry , medicinal chemistry
N ‐Cyclohexyl‐2‐aryl(alkyl)‐imidazo[1,2‐ a ]pyridin‐3‐amine derivatives have been synthesized in good to high yields from o ‐aminopyridine, aromatic and aliphatic aldehydes , and cyclohexyl isocyanide in the presence of N , N , N ′, N ′‐tetrabromobenzene‐1,3‐disulfonamide and poly( N ‐bromo‐ N ‐ethylbenzene‐1,3‐disulfonamide) as catalysts, at room temperature under solvent‐free conditions.