Uncommon Coordination Modes of a Potential Heptadentate Aminophenol Donor

  1. Corredoira-Vázquez, Julio 1
  2. González-Barreira, Cristina 1
  3. Deibe, Ana M. García 1
  4. Sanmartín-Matalobos, Jesús 1
  5. Fondo, Matilde 1
  1. 1 Departamento de Química Inorgánica, Facultade de Química, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
Konferenzberichte:
The 24th International Electronic Conference on Synthetic Organic Chemistry

Datum der Publikation: 2020

Art: Konferenz-Beitrag

DOI: 10.3390/ECSOC-24-08293 GOOGLE SCHOLAR lock_openOpen Access editor

Ziele für nachhaltige Entwicklung

Zusammenfassung

This work describes the synthesis, characterization and reactivity towards HoIII of a potential heptadentate N4O3 aminophenol donor. The crystal structure of the [Ho(1,1,4-H3L)(1,1,4-H6L)] complex (1,1,4-H6L = 6,6′-(2-(5-bromo-2-hydroxy -3-nitrobenzyl)-2,5,8,11-tetraazadodecane-1,12-diyl)bis(4-bromo-2-nitrophenol)) shows that the holmium atom binds two aminophenol ligands, one acting as trianionic hexadentate, and the other one as neutral monodentate. As far as we know, both coordination modes of the aminophenol are hitherto unknown for this kind of scarcely reported ligand. This leads to coordination number 7 for the HoIII ion, which is in a capped trigonal prism environment.