Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 899, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2019.120885
Keywords
Lanthanide; Mechanochemistry; C-H activation; Reduction
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Funding
- National Science Foundation [CHE-1855328]
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Attempts to synthesize the sterically crowded complexes (C5Me5)(3)Ln of the smallest lanthanide metals, Ln = Tm and Lu, from (C5Me5)(2)Ln(mu-Ph)(2)BPh2 and KC5Me5 via mechanochemical methods has revealed C eH bond activation chemistry: the tuckover hydride complexes, (C5Me5)(2)Ln(mu-H)(mu-eta(1):eta(5)-CH2C5Me4) Ln(C5Me5), were observed in low crystalline yields. In the case of Ln = Yb, attempts to synthesize the cationic precursor, (C5Me5)(2)Yb(mu-Ph)(2)BPh2, from the reaction of (C5Me5)(2)Yb(eta(3)-C3H5) and [HNEt3][BPh4] led to the reduction of the metal and the formation of the Yb(II) cationic complex, (C5Me5)Yb(mu-Ph)(2)BPh2. (C) 2019 Elsevier B.V. All rights reserved.
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