Transition metal complexes of 13- and 14-membered N2O2 macrocycles: synthesis and characterization

Two novel series of 13- and 14-membered diazadioxamacrocyclic complexes [ML 1 Cl 2 ] and [ML 2 Cl 2 ] (M=Co 2+ , Ni 2+ , Cu 2+ , and Zn 2+ ) have been synthesized via the condensation reaction of o -aminophenol and 1,2-dibromoethane with a dialdehyde or a diketone in the presence of transition metal...

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Published inTransition metal chemistry (Weinheim) Vol. 33; no. 3; pp. 285 - 288
Main Author Nasman, Omar S. M.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.04.2008
Springer Nature B.V
Subjects
Catalysis
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Organometallic Chemistry
Physical Chemistry
Electronic Spectral Study
Macrocyclic Complex
Octahedral Geometry
Phthalaldehyde
Charge Transfer Excitation
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ISSN0340-4285
1572-901X
DOI10.1007/s11243-007-9040-0

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Summary:Two novel series of 13- and 14-membered diazadioxamacrocyclic complexes [ML 1 Cl 2 ] and [ML 2 Cl 2 ] (M=Co 2+ , Ni 2+ , Cu 2+ , and Zn 2+ ) have been synthesized via the condensation reaction of o -aminophenol and 1,2-dibromoethane with a dialdehyde or a diketone in the presence of transition metal ions as templates in ethanol. The mode of bonding and overall geometry of the complexes have been inferred through IR, 1 H NMR, EPR, and electronic spectral studies, conductivity, and magnetic moment measurements. An octahedral geometry is proposed for all the complexes.
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ISSN:0340-4285
1572-901X
DOI:10.1007/s11243-007-9040-0