Author(s)

Zinia Jaman, Mohammad R. Karim, Tasneem A. Siddiquee, Aminul H. Mirza, Mohamad A. Ali

Chemistry, Faculty of Science, University Brunei Darussalam, Brunei Darussalam, Sudan.
Department of Chemistry, Tennessee State University, Nashville, USA.

Eight new Schiff bases of 5-nitro and 5-bromo-substituted 1,10-phenanthroline-2,9-dicarboxaldehydes with sulfur-containing amines, thiosemicarbazide, S-alkyl/aryl dithiocarbazates and 2-mercaptoaniline have been synthesized and characterized by a variety of spectroscopic methods. The condensation reactions of the dialdehydes with the amines were carried out both in the presence and absence of conc. sulfuric acid. A significant increase in yield of the Schiff bases was observed when the reactions were carried out in the presence of sulfuric acid.

5-Nitro-1, 10-Phenanthroline Dialdehyde; 5-Bromo-1, 10-Phenanthroline Dialdehyde; Schiff Bases; S-Alkyl/Aryldithiocarbazates; Thiosemicarbazide

Jaman, Z. , Karim, M. , Siddiquee, T. , Mirza, A. and Ali, M. (2013) Synthesis of 5-Substituted 2, 9-Dimethyl-1,10-Phenanthroline Dialdehydes and Their Schiff Bases with Sulfur-Containing Amines. International Journal of Organic Chemistry, 3, 214-219. doi: 10.4236/ijoc.2013.33029.