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Synthesis of the First Lanthanoid(II) Pyrazolate Complex by Redox Transmetallation from Thallium and Mercury Reagents

✍ Scribed by Glen B. Deacon; Ewan E. Delbridge; Brian W. Skelton; Allan H. White

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 368 KB
Volume: 1998
Category: Article
ISSN: 1434-1948
DOI: 10.1002/(sici)1099-0682(199805)1998:5<543::aid-ejic543>3.0.co;2-d

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✦ Synopsis

Ytterbium metal reacts with thallium(I) 3,5-diphenylpyrazo-razolate complex, [Yb(Ph 2 pz) 2 (DME) 2 ]. The molecular struclate, or with diphenylmercury and 3,5-diphenylpyrazole ture reveals eight coordinate ytterbium(II) with two cisoid η 2 -(Ph 2 pzH) in tetrahydrofuran or 1,2-dimethoxyethane (DME) 3,5-diphenylpyrazolate and two chelating 1,2-dimethoxygiving, after appropriate isolation, the first lanthanoid(II) py-ethane ligands.

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Organotin Compounds as Reagents for the Synthesis of Lanthanoid Complexes by Redox Transmetallation Reactions

✍ Samar Beaini; Glen B. Deacon; Matthias Hilder; Peter C. Junk; David R. Turner 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 186 KB

## Abstract Redox transmetallation reactions between trimethyltin compounds, SnMe~3~L [L = 3,5‐diphenylpyrazolate (Ph~2~pz), 2,6‐di‐__tert__‐butyl‐4‐methylphenolate (OAr), or C~6~F~5~] and lanthanoid metals have yielded [Ln(Ph~2~pz)~2~(DME)~2~] (Ln = Eu, Yb), [Ln(Ph~2~pz)~3~(DME)~2~] (Ln = Y, La, N