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- Title
d/f‐Polypnictides Derived by Non‐Classical Ln<sup>2+</sup> Compounds: Synthesis, Small Molecule Activation and Optical Properties.
- Authors
Reinfandt, Niklas; Michenfelder, Nadine; Schoo, Christoph; Yadav, Ravi; Reichl, Stephan; Konchenko, Sergey N.; Unterreiner, Andreas N.; Scheer, Manfred; Roesky, Peter W.
- Abstract
Reduction chemistry induced by divalent lanthanides has been primarily focused on samarium so far. In light of the rich physical properties of the lanthanides, this limitation to one element is a drawback. Since molecular divalent compounds of almost all lanthanides have been available for some time, we used one known and two new non‐classical reducing agents of the early lanthanides to establish a sophisticated reduction chemistry. As a result, six new d/f‐polyphosphides or d/f‐polyarsenides, [K(18‐crown‐6)] [Cp′′2Ln(E5)FeCp*] (Ln=La, Ce, Nd; E=P, As) were obtained. Their reactivity was studied by activation of P4, resulting in a selective expansion of the P5 rings. The obtained compounds [K(18‐crown‐6)] [Cp′′2Ln(P7)FeCp*] (Ln=La, Nd) are the first examples of an activation of P4 by a f‐element‐polypnictide complex. Additionally, the first systematic femtosecond (fs)‐spectroscopy investigations of d/f‐polypnictides are presented to showcase the advantages of having access to a broader series of lanthanide compounds.
- Subjects
SMALL molecules; OPTICAL properties; CHEMICAL reduction; RARE earth metals; MOLECULES; REDUCING agents
- Publication
Chemistry - A European Journal, 2021, Vol 27, Issue 29, p7862
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202100605