The role of substituted pyridine Schiff bases as ancillary ligands in the optical properties of a new series of fac-rhenium(i) tricarbonyl complexes: a theoretical view.

ABSTRACT: Over the last few years, luminescent Re(i) tricarbonyl complexes have been increasingly proposed as fluorophores suitable for fluorescence microscopy to visualize biological structures and cells. In this sense, incorporating an asymmetrical pyridine Schiff base (PSB) as the ancillary ligand strongly modifies the staining and luminescent properties of Re(i) tricarbonyl complexes. In this work, we analyzed two series of Re(i) tricarbonyl complexes with their respective PSB ligands: (1) fac-[Re(CO)₃(2,2'-bpy)(PSB)]¹⁺ and (2) fac-[Re(CO)₃(4,4'-bis(ethoxycarbonyl)-2,2'-bpy)(PSB)]¹⁺, where the PSB exhibits substitutions at positions 4 or 6 in the phenolic ring with methyl or halogen substituents. Thus, we performed computational relativis

SUBMITTER: Morales-Guevara R 

PROVIDER: S-EPMC9043815 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature