Reduction chemistry yields stable and soluble divalent lanthanide tris(pyrazolyl)borate complexes.
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DOI: 10.1039/d2cc03189b
Abstract: Reduction of the heteroleptic Ln(III) precursors [Ln(Tp)2(OTf)] (Tp = hydrotris(1-pyrazolyl)borate; OTf = triflate) with either an aluminyl(I) anion or KC8 yielded the adduct-free homoleptic Ln(II) complexes dimeric 1-Eu [{Eu(Tp)(μ-κ1:η5-Tp)}2] and monomeric 1-Yb [Yb(Tp)2]. Complexes 1-Ln… read more here.
Keywords: pyrazolyl borate; chemistry; reduction chemistry;