1) Synthesis, characterization and electrochemical properties of b-diketone complexes of ruthenium(III), F. A. El-Saied, R. M. El-Bahnasawy, M. Abdel Azzem and Ayman K. El-Sawaf, Polyhedron, 13, 1781 (1994).
2) Iron(III) complexes of some pyrazolone derivatives, synthesis, Characterization and electrochemical properties, M. Abdel Azzem , F. A. El-Saied, R. M. El-Bahnasawy, and Ayman K. El-Sawaf, Egypt. J. Chem., No. 90/94 (1994).
3) Characterization and electrochemical properties of antipyrine-4-azo-2(5,5-dimethyl-1,2-cyclohexanedione) complexes of Palladium(II), iron(III) and ruthenium(III), F. A. El-Saied, R. M. El-Bahnasawy, M. Abdel Azzem and Ayman K. El-Sawaf, Polish J. Chem., 69, 311 (1995).
4) Synthesis, characterization and electrochemical properties of ruthenium(III) complexes of some Schiff bases derived from 4-aminoantipyrine, F. A. El-Saied, R. M. El-Bahnasawy, M. Abdel Azzem and Ayman K. El-Sawaf, Egypt. J. Chem., No. 11/95 (1995).
5) Copper(II) complexes of 4-formylantipyrine N(4)-substituted thiosemicarbazones, Ayman K. El-Sawaf, Douglas X. West, F. A. El-Saied and R. M. El- Bahnasawy, Transition Metal Chem., 22, 360 (1997).
6) Iron(III), Cobalt(II), Nickel(II), Copper(II) and Zinc(II) complexes of 4-formylantipyrine thiosemicarbazone, Ayman K. El-Sawaf, Douglas X. West, F. A. El-Saied and R. M. El- Bahnasawy, Synth. React. Inorg. Met-org. Chem., 27, 1127 (1997).
7) Metal complexes of N(4)-substituted analogous of the antiviral drug methisazone{1-methylisatin thiosemicarbazone}, Douglas X. West, Ayman K. El-Sawaf and G. A. Bain, Transition Metal Chem., 23, 1 (1998).
8) Synthesis, magnetic and spectral studies of Iron(III) and Cobalt(II, III) complexes of 4-formylantipyrine N(4)-substituted thiosemicarbazones, Ayman K. El-Sawaf, Douglas X. West, F. A. El-Saied and R. M. El-Bahnasawy, Transiion Metal Chem., 23, 227 (1998).
9) Spectral and structural studies of metal complexes of 1-phenylglyoxoal bis {N(3)-diethyl thiosemicarbazone}, Alfonso Castineiras, Elena Bermejo, Douglas X. West, Ayman K. El-Sawaf, and K. Swearingen, Polyhedron, 17, 2751 (1998).
10) Synthesis, magnetic and spectral studies of nickel(II) and zinc(II) complexes of 4-formylantipyrine N(4)-substituted thiosemicarbazones, Ayman K. El-Sawaf, Douglas X. West, F. A. El-Saied and R. M. El-Bahnasawy, Transiion Metal Chem., 23, 417 (1998).
11) Palladium(II) complexes of 4-formylantipyrine N(4)-substituted thiosemicarbazones, Presented at the 1st international conference of south East European Countries of Thessaloniki, Greece, P. N. Yadav, M. A. Demertzis, N. G. Kijkisa, D. Kovala-Demertzia, Douglas X. West and Ayman K. El-Sawaf.
12) Synthesis, magnetic and spectral studies of Iron(III) and Cobalt(II, III), nickel(II), copper(II) and zinc(II) complexes of 4-formylantipyrine N(4)-antipyrinyl thiosemicarbazones, Ayman K. El-Sawaf, Douglas X. West, F. A. El-Saied and R. M. El-Bahnasawy, Transiion Metal Chem., 23, 565 (1998).
13) Synthesis, magnetic and spectral studies of Iron(III) and Cobalt(II, III), nickel(II), copper(II) and zinc(II) complexes of 2-formylpyridine N(4)-antipyrinyl thiosemicarbazones, Ayman K. El-Sawaf, Douglas X. West, F. A. El-Saied and R. M. El-Bahnasawy, Transiion Metal Chem., 23, 649 (1998).
14) Iron(III) and Cobalt(II, III), nickel(II) complexes of 2-pyridineformamide N(4)-methyl thiosemicarbazones, Douglas X. West, John K. Swearingen, Jesus Valdes Martinez, Simon Hernandez-Ortega, Ayman K. El-Sawaf, Frank Van der Meurs, Alfonso Castineiras, Isabel Garcia and Elena Bermejo, Polyhedron, 18, 2919 (1999).
15) Copper(II) complexes of 2-pyridineformamide N(4)-methylthiosemicarbazones, Douglas X. West, John K. Swearingen and Ayman K. El-Sawaf, Transiion Metal Chem., 25, 87 (2000).
16) Coordination of Zn(II), Cd(II) and Hg(II) by 3-piperidylthiosemicarbazone, A. Castieiras, I. Garcia, E. Bermejo, K. A. Ketcham, Douglas X. West and Ayman K. El-Sawaf, Z. Anorg. Allg. Chem., 628, 492 (2002).
17) Spectral studies and x-ray crystal structure of three nickel complexes of 2-pyridineformamide 3-piperidylthiosemicarbazone, I.Garcia, E. Bermejo, K.A. Ketcham, John K. Swearingen, Ayman K. El-Sawaf, A. Castieiras, and Douglas X. West, Polyhedron, 21, 859 (2002).
18) Structural studies of metal complexes of 2-pyridineformamide N(4)-methylthiosemicarbazones, I.Garcia, E. Bermejo, Ayman K. El-Sawaf, A. Castieiras, and Douglas X. West, Polyhedron, 21, 729 (2002).19) mer-Bis(2,3-dimethyl-5-oxo-1-phenyl-2,5-dihydro-1H-pyrazole-4-carbaldehyde- 4,4- dimethylthiosemicarbazonato-K3S,N,O) cobalt(III)tetra fluoroborate, J. Valdes-Martinez, S.Hernandez-Ortega, Douglas X. West, Ayman K. El-Sawaf, R. M. El-Bahnasawy and F. A. El-Saied, Acta Cryst., 61, 1593 (2005).
20) Structural studies of N(4)-substituted thiosemicarbazones prepared from 4-formylantipyrine and a thiourea derived from 4-aminoantipyrine, Ayman K. El-Sawaf, S.Hernandez-Ortega, J. Valdes-Martinez, John K. Swearingen and Douglas X. West, J.Chem.Cryst.,submitted.