Synthesis and characterization of new Cu(II) and [CuII3MnII] complexes of macrocyclic oxamides

En Qing Gao, Guang Ming Yang, Zong Hui Jiang, Shi Ping Yan, Geng Lin Wang, Dai Zheng Liao

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Two new Cu(II) complexes of [14]N4 and [15]N4 macrocyclic oxamides, [CuL1] and [CuL2] [L1 and L2 are the dianions of 2,3-dioxo-5,6:14,15-dibenzo-7,13-bis(ethoxycarbonyl)-1,4,8,12- tetraazacyclotetradeca-7,12-diene and 2,3-dioxo-5,6:9,10:13,14-tribenzo-7,12-bis(ethoxycarbonyl)-1,4,8,11- tetraazacyclotetradeca-7,11-diene, respectively], have been prepared by the template reactions of 2,2′-(oxalyldiimino)bis(phenylglyoxylate) with diamines and cupric acetate in the presence of triethylamine. Using the strategy of "complexes as ligands", two tetranuclear complexes of the formula [(CuL1)3Mn](ClO4)2 and [(CuL2)3Mn](ClO4)2 have been synthesized. The complexes have been characterized by means of elemental analyses, IR and electronic spectra, conductivity and magnetic susceptibility measurements.

Original languageEnglish
Pages (from-to)1053-1061
Number of pages9
JournalSynthesis and Reactivity in Inorganic and Metal-Organic Chemistry
Volume29
Issue number6
DOIs
StatePublished - 1999
Externally publishedYes

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