Metal complexes of sulfur-nitrogen chelating agents. Part 12. The chemistry of nickel(II), palladium(II), cobalt(II) and copper(II) complexes of N2S2 and N3S2 donor systems

Roy, Rita ; Paul, Parimal ; Nag, Kamalaksha (1984) Metal complexes of sulfur-nitrogen chelating agents. Part 12. The chemistry of nickel(II), palladium(II), cobalt(II) and copper(II) complexes of N2S2 and N3S2 donor systems Transition Metal Chemistry, 9 (4). pp. 152-155. ISSN 0340-4285

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Official URL: http://www.springerlink.com/content/n6763242451627...

Related URL: http://dx.doi.org/10.1007/BF00935932

Abstract

Nickel(II), palladium(II), cobalt(II) and copper(II) complexes of the ligand N',N-1,2-propane-bis(methyl 2-amino-cyclopent-1-ene-dithiocarboxylate) (H2L1),N,N'-1,3-propane-bis(methyl 2-aminocyclopent-1-ene-dithiocarboxylate) (H2L2) and N,N-[bis(methyl 2-aminocyclopent-1-ene-dithiocarboxylate)] diethylenetriamine (H2L3) have been synthesised. Both H2L1 and H2L2 form complexes of the type ML, and all but the copper(II) complexes, are square planar. In the copper(II) complexes tetrahedral distortion is significantly more with CuL2. From H2L3 square planar complexes of the type [M(HL3)X] (M=Ni, X=Cl, Br, I or SCN; M=Pd, X=Cl or Br) have been obtained in which the donor unit involved is N2SX. The composition of the cobalt(II) and copper(II) complexes is [M(H2L3)X2] (X=Cl or Br) which contain the chromophore [MN3X2].

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