New synthesis of N, N’-bis-(1H-pyrrol-2-yl-methylene)-benzene-1, 2-diamine and N, N’-bis-(1H-pyrrol-2-yl-methylene)-benzene-1, 4-diamine in the presence of argon or Zn2+

Considering the importance of aromatic amines derivatives due to their biological activities, new synthesis of N, N’-bis-(1H-pyrrol-2-yl-methylene)-benzene-1,2-diamine and N, N’-bis-(1H-pyrrol-2-yl-methylene)-benzene-1,4-diamine from the reaction of aromatic amines due to their biological activities and pyrrolcarbaldehyde in the presence of argon or zinc ion is reported.