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IJC-A Vol.48A(03) [March 2009] >

Title: Di- and tri-organogermanium carboxylates: Synthesis, spectroscopy and structures of [Me₃Ge(O₂CC₉H₆N)] and [Et₂Ge(O₂CC₅H₄N)₂]
Authors: Shah, Alpa Y
Wadawale, Amey
Sagoria, V S
Jain, Vimal K
Sharma, Renu
Nagar, Meena
Bohra, Rakesh
Keywords: Coordination chemistry
X-ray diffraction
Issue Date: Mar-2009
Publisher: CSIR
IPC CodeInt. Cl. ⁸ C07F7/00
Abstract: Di- and tri-organogermanium carboxylates, [R₂Ge(O₂CAr)₂] and [R₃Ge(O₂CAr)] (R = Me, Et or Bu; Ar = C₅H₄N, C₉H₆N), have been synthesized by the reactions of the corresponding dialkyldichloro germane and trialkylchloro/bromo germane with an appropriate sodium salt of N-heterocyclic carboxylic acid, (C₅H₄N.COOH, C₉H₆N.COOH), in 1:2 and 1:1 molar ratio in anhydrous benzene. These compounds have been characterized by elemental analysis, IR and NMR (1H and ¹³C{¹H}) spectroscopy. Molecular structures of [Me₃Ge(O₂CC₉H₆N)] and [Et₂Ge(O₂CC₅H₄N)₂] have been determined unambiguously by X-ray diffraction study. The former has a distorted tetrahedral configuration around germanium with monodentate carboxylate group, while the latter has distorted trigonal bipyramidal geometry.
Page(s): 333-338
ISSN: 0376-4710
Source:IJC-A Vol.48A(03) [March 2009]

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