Synthesis of aldehydes and ketones of 1-methyl-2-(5-methyl-2-hetaryl)-1 H-benzimidazole series.

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    • Abstract:
      1-Methyl-2-(5-methyl-2-furyl)-1 H- and 1-methyl-2-(5-methyl-2-thienyl)-1 H-benzimidazoles were synthesized by Weidenhagen reaction followed by N-methylation. The obtained 1 H-benzimidazoles were formylated with hexamethylenetetramine in polyphosphoric acid and acylated with carboxylic acids in polyphosphoric acid. [ABSTRACT FROM AUTHOR]
    • Abstract:
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