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Monomeric C,N-Chelated Germanium Hydrides in N-C Bond Cleavage
Authors: Tremmel Jakub | Dostál Libor | Erben Milan | Růžičková Zdeňka | Turek Jan | De Proft Frank | Jambor Roman
Year: 2017
Type of publication: článek v odborném periodiku
Name of source: European Journal of Inorganic Chemistry
Publisher name: Wiley-VCH
Place: Weinheim
Page from-to: 3100-3104
Titles:
Language Name Abstract Keywords
cze Monomerní C,N-chelatované Germanaté Hydridy v N-C Bond rozkladu Byly studovány monomerní C,N-chelatované Germanaté Hydridy a byl pozorován rozklad CN vazby
eng Monomeric C,N-Chelated Germanium Hydrides in N-C Bond Cleavage The synthesis of the monomeric organogermanium(II) hydrides [(LGeH) M(CO)(5)] [M = Cr (4), W (5)] by utilizing the C,N-chelating ligand L {L = [2-(CH2NEt2)-4,6-tBu(2)C(6)H(2)](-)} was explored. Stabilization of the GeH terminal bond in 4 and 5 was accompanied by a combination of electronic and steric protection of ligand L. The reactivity of the GeH terminal bond was also investigated, and attempts to reduce the polar C equivalent to N bond in tBuNC provided an unexpected N-C bond-cleavage reaction yielding organogermanium(II) cyanides [(LGeCN) M(CO)(5)] [M = Cr (6), W (7)] instead of a hydrogermylation reaction. Hydrides; Germanium; Bond activation; NMR spectroscopy; DFT calculations