An Improved Preparation of 4,7-Phenanthrolino-5,6:5′,6′-pyrazine

@inproceedings{Imor1996AnIP,
  title={An Improved Preparation of 4,7-Phenanthrolino-5,6:5′,6′-pyrazine},
  author={Susan Imor and Robert J. Morgan and S. Wang and Oma Morgan and Arthur David Baker},
  year={1996}
}
Abstract An overall three step preparation of the bis-diimine bridging ligand 4,7-phenanthrolino-5,6:5′,6′-pyrazine (ppz, 1) from 2-methoxy-1,4-phenylenediamine hydrosulfate 4 is reported.