Organometallic Complex of fac-[Re (CO) 3]+ Moiety with a Modified Tetraamine Macroheterocyclic Molecule Dodecahydropyrimido [2′, 1′: 3, 4] Pyrazino [1, 2-a] Pyrimidine Chelate: Synthesis and X-Ray Crystallography Characterization

INGABIRE Ange Sabine,Gratien Habarurema, Eric Hosten, Janvier Mukiza, Richard Betz, Theonille Mukabagorora, Ange Sabine Ingabire, Théoneste Umumararungu, Daniel Umereweneza, Frodouard Hitimana, Jean Baptiste Habinshuti, Jean Bosco Nkuranga & Thomas Gerber