Alpa Y. Shah, A. Wadawale, V. S. Sagoria
2009
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Journal
Indian journal of chemistry. Sect. A: Inorganic, physical, theoretical & analytical
Abstract
Di- and tri-organogermanium carboxylates, [R 2 Ge(O 2 CAr) 2 ] and [R 3 Ge(O 2 CAr)] (R = Me, Et or Bu; Ar = C 5 H 4 N. C 9 H 6 N), 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, (C 5 H 4 N.COOH, C 9 H 6 N.COOH). in 1:2 and 1:1 molar ratio in anhydrous benzene. These compounds have been characterized by elemental analysis, IR and NMR ( 1 H and 13 C{ 1 H}) spectroscopy. Molecular structures of [Me 3 Gc(O 2 CC 9 H 6 N)] and [Et 2 Ge(O 2 CC S H 4 N) 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.