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Copper(II) complexes derived from (2-carboxymethoxy-phenylamino)acetic acid and analogue
Authors:W Marjit Singh
Institution:Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781 039 Assam, India
Abstract:The synthesis and characterization of mononuclear copper complex of (3-oxo-2,3-dihydro-benzo1,4]oxazin-4-yl)-acetic acid (1) and a tetranuclear copper complex of (2-carboxymethoxy-phenylamino)acetic acid (2) is reported. The sodium salt 1 on reaction with copper(II) chloride hexahydrate followed by treatment with pyridine gave a mononuclear copper complex; whereas, a tetra-nuclear complex in the case of reaction of 2 with copper(II) chloride hexahydrate and 2,2′-bipyridine was obtained. In tetra-nuclear copper(II) complex the NH group co-ordinates to copper and cluster has five co-ordination around copper(II).
Keywords:Copper carboxylates  Tetra-nuclear complex  Dicarboxylic acid  Crystal structure
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