Synthesis and Characterization of Cobalt(II) Complexes with Two Twelve-Membered Tetraaza Macrocyclic Ligands

Cobalt(II) complexes of the general composition CoLX 2 {where X = Cl, ½SO 4 , NO 3 , and SCN; L = 2,3,8,9-tetramethyl-1,4,7,10-tetraazacyclododeca-1,3,7,9-tetraene [N 4 ] (DAED) or 2,3,8,9-tetraphenyl-5,11-dimethyl-1,4,7,10-tetraazacyclododeca-1,3,7,9-tetraene[N 4 ] (BDAP)} have been prepared. On th...

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Published inSynthesis and reactivity in inorganic and metal-organic chemistry Vol. 34; no. 1; pp. 79 - 91
Main Authors Chandra, Sulekh, Sharma, Sunil Dutta, Kumar, Umendra
Format Journal Article
LanguageEnglish
Published NEW YORK Taylor & Francis Group 01.01.2004
Marcel Dekker Inc
Subjects
BDAP
Characterization
Chemistry
Chemistry, Inorganic & Nuclear
Cobalt(II) complexes
DAED
Physical Sciences
Science & Technology
Synthesis
synthesis
DAED
SEMICARBAZONES
COPPER(II)
cobalt(II) complexes
characterization
NICKEL(II)
BDAP
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Summary:Cobalt(II) complexes of the general composition CoLX 2 {where X = Cl, ½SO 4 , NO 3 , and SCN; L = 2,3,8,9-tetramethyl-1,4,7,10-tetraazacyclododeca-1,3,7,9-tetraene [N 4 ] (DAED) or 2,3,8,9-tetraphenyl-5,11-dimethyl-1,4,7,10-tetraazacyclododeca-1,3,7,9-tetraene[N 4 ] (BDAP)} have been prepared. On the basis of electronic and EPR spectral studies, the chloro, nitrato and thiocyanato complexes were found to have six-coordinate, octahedral geometry and the sulfato complexes were found to have five-coordinate, trigonal-bipyramidal geometry.
ISSN:0094-5714
1532-2440
DOI:10.1081/SIM-120027318