... in catalytic reactions and combinatorial chemistry. 2,9-Dibromo-1,10-phenanthroline CAS: 39069-02-8 is synthesized by bromination ... organic solvents. There are several other names, e.g. 1,10-Phenanthroline, 2,9-dibromo; 2,9-dibromo-o-phenanthroline; ... 2,9-dibromophenathroline;2,9-dibromo-1,10-diazaphenanthrene;2,9-Dibrom-1,10-phenanthrolin;2,9-Dibromo-1,10-phénanthroline.