Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/116000
Title: Three coordinated copper(I) complexes of chelating ligands derived from 2,6-diacetylpyridine and phenylalanine or tyrosine
Authors: Kwik, W.L. 
Tay, A.W.N. 
Issue Date: 1989
Source: Kwik, W.L.,Tay, A.W.N. (1989). Three coordinated copper(I) complexes of chelating ligands derived from 2,6-diacetylpyridine and phenylalanine or tyrosine. Polyhedron 8 (10) : 1321-1328. ScholarBank@NUS Repository.
Abstract: Copper(I) complexes of Schiff-base ligands, L1, and L2, derived from condensation of 2,6-diacetylpyridine with phenylalanine methyl ester or tyrosine ethyl ester have been prepared. On the basis of various spectroscopic data, it is proposed that these complexes in the solid-state have mononuclear structures in which the trimethine group acts as tridentate while retaining its planarity. In methanol, spectroscopic properties suggest at least partial dissociation of one-side arm leading to a two-coordinate copper(I) which then interacts with a free imino nitrogen of a second molecule of the copper(l) complex. This results in a more effective overlap of the copper(I) orbital with pπ* of the ligand and hence an increase in absorption intensities. © 1989.
Source Title: Polyhedron
URI: http://scholarbank.nus.edu.sg/handle/10635/116000
ISSN: 02775387
Appears in Collections:Staff Publications

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