Redox-Active Sulphur Diimide Ligand Anion radicals of R−N=S=N−R have never been isolated or structurally characterized. In their Full Pa
per on
ps://doi.org/10.1002/chem.201604340" rel="references:https://doi.org/10.1002/chem.201604340">page 1278 ff., N P.
Gritsan, R. T. Boeré, P. W. Roesky, A. V. Zibarev, S. N. Konchenko et al. re
port the first C
p*
2Ln com
plexes (Ln = Sm, Eu, Yb; R = NSiMe
3) of sul
phur diimides and demonstrate by exhaustive characterisation (X-ray diffraction, EPR, UV-Vis-NIR s
pectrosco
py, SQUID magnetometry and rigorous ab initio com
putational methods) that these
powerful reducing agents transfer an electron to the coordinated thiazyl ligand. A brand new world of redox non-innocent ligands has thus emerged on the horizon.