The nickel, copper and zinc complexes of potentially heptadentate nitrogen–sulfur donor ligands

G. Steel, A. Mustapha, J. Reglinski, A.R. Kennedy

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The multidentate compound, tris-(o-butylthiobenzyl)- aminoethylamine (L), which contains four nitrogen and three sulfur donors has been synthesised by combining 2-amino-methyl-1,3-diamino-propane (tren) with o-butylthiobenzaldehyde. L has been reacted with the nitrate salts of nickel, copper and zinc to give a series of L M(NO) complexes which were crystallographically characterised. In all cases the metal binds to the N motif proffered by the tren moiety. The nickel complex achieves a hexacoordinate geometry by ligating with a didentate (-O,O′) nitrate. Copper and zinc both produced five coordinate species by ligating with a unidentate nitrate. None of the species reported include the thio-ethers in the coordination sphere of the metal. Replacing nitrate with nitrite in the copper system allows the synthesis of a five coordinate unidentate, oxygen bound, nitrite complex. A number of unsuccessful attempts have been made, using Cd, Pb and Au, to assemble the three thioethers groups into a secondary coordination motif for metals. These reactions produce a series of LM-halide complexes which have again been crystallographically characterised.
LanguageEnglish
Pages360-367
Number of pages8
JournalPolyhedron
Volume67
DOIs
Publication statusPublished - 8 Jan 2014

Fingerprint

Nickel
Sulfur
Nitrates
nitrates
Zinc
Copper
Nitrogen
sulfur
zinc
Ligands
nickel
nitrogen
copper
ligands
nitrites
Metals
Nitrites
metals
Propane
Ethers

Keywords

  • multidentate donor ligands
  • hydrogenated schiff base
  • nickel
  • zinc
  • copper

Cite this

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abstract = "The multidentate compound, tris-(o-butylthiobenzyl)- aminoethylamine (L), which contains four nitrogen and three sulfur donors has been synthesised by combining 2-amino-methyl-1,3-diamino-propane (tren) with o-butylthiobenzaldehyde. L has been reacted with the nitrate salts of nickel, copper and zinc to give a series of L M(NO) complexes which were crystallographically characterised. In all cases the metal binds to the N motif proffered by the tren moiety. The nickel complex achieves a hexacoordinate geometry by ligating with a didentate (-O,O′) nitrate. Copper and zinc both produced five coordinate species by ligating with a unidentate nitrate. None of the species reported include the thio-ethers in the coordination sphere of the metal. Replacing nitrate with nitrite in the copper system allows the synthesis of a five coordinate unidentate, oxygen bound, nitrite complex. A number of unsuccessful attempts have been made, using Cd, Pb and Au, to assemble the three thioethers groups into a secondary coordination motif for metals. These reactions produce a series of LM-halide complexes which have again been crystallographically characterised.",
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The nickel, copper and zinc complexes of potentially heptadentate nitrogen–sulfur donor ligands. / Steel, G.; Mustapha, A.; Reglinski, J.; Kennedy, A.R.

In: Polyhedron, Vol. 67, 08.01.2014, p. 360-367.

Research output: Contribution to journalArticle

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AU - Reglinski, J.

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