A rare isocyanide derived from an unprecedented neutral yttrium(ii) bis(amide) complex.

Autor: Jena R; Michigan State University, Department of Chemistry 578 S. Shaw Ln East Lansing MI USA 48824 odoma@msu.edu sdemir@chemistry.msu.edu mccracke@msu.edu., Benner F; Michigan State University, Department of Chemistry 578 S. Shaw Ln East Lansing MI USA 48824 odoma@msu.edu sdemir@chemistry.msu.edu mccracke@msu.edu., Delano F 4th; Michigan State University, Department of Chemistry 578 S. Shaw Ln East Lansing MI USA 48824 odoma@msu.edu sdemir@chemistry.msu.edu mccracke@msu.edu., Holmes D; Michigan State University, Department of Chemistry 578 S. Shaw Ln East Lansing MI USA 48824 odoma@msu.edu sdemir@chemistry.msu.edu mccracke@msu.edu., McCracken J; Michigan State University, Department of Chemistry 578 S. Shaw Ln East Lansing MI USA 48824 odoma@msu.edu sdemir@chemistry.msu.edu mccracke@msu.edu., Demir S; Michigan State University, Department of Chemistry 578 S. Shaw Ln East Lansing MI USA 48824 odoma@msu.edu sdemir@chemistry.msu.edu mccracke@msu.edu., Odom AL; Michigan State University, Department of Chemistry 578 S. Shaw Ln East Lansing MI USA 48824 odoma@msu.edu sdemir@chemistry.msu.edu mccracke@msu.edu.
Jazyk: angličtina
Zdroj: Chemical science [Chem Sci] 2023 Mar 21; Vol. 14 (16), pp. 4257-4264. Date of Electronic Publication: 2023 Mar 21 (Print Publication: 2023).
DOI: 10.1039/d3sc00171g
Abstrakt: A room temperature stable complex formulated as Y(NHAr*) 2 has been prepared, where Ar* = 2,6-(2,4,6-( i Pr) 3 C 6 H 2 )C 6 H 3 , by KC 8 reduction of ClY(NHAr*) 2 . Based on EPR evidence, Y(NHAr*) 2 is an example of a d 1 Y(ii) complex with significant delocalization of the unpaired electron density from the metal to the ligand. The isolation of molecular divalent metal complexes is challenging for rare earth elements such as yttrium. In fact, stabilization of the divalent state requires judicious ligand design that allows the metal center to be coordinatively saturated. Divalent rare earth elements tend to be reactive towards various substrates. Interestingly, Y(NHAr*) 2 reacts as a radical donor towards t BuNC to generate an unusual yttrium isocyanide complex, CNY(NHAr*) 2 , based on spectroscopic evidence and single-crystal X-ray diffraction data.
Competing Interests: There are no conflicts to declare.
(This journal is © The Royal Society of Chemistry.)
Databáze: MEDLINE
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