Abstract:Introduction:
Chitin and pectin are important natural polymers which are used as natural catalyst for synthesis of tri- and tetra- phenyl substituted 1H-imidazoles.
Material and methods:
The reaction of benzil and aromatic aldehydes with ammonium acetate in the presence of chitin produces 2,4,5-triphenyl-1H-imidazoles and the reaction of benzil, aromatic aldehydes and aniline derivatives with ammonium acetate in the presence of pectin produces 1,2,4,5-tetraphenyl-1H-imidazoles, respectively.
Results:
The … Show more
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