• 제목/요약/키워드: Tripodal amine-catechol ligand

검색결과 1건 처리시간 0.016초

Potentially Multidentate Tripodal Amine Catechol Ligands as Chelators for Ga(III) and In(III)

  • Sahoo, Suban K.;Baral, Minati;Bera, Rati Kanta;Kanungo, B. K.
    • Bulletin of the Korean Chemical Society
    • /
    • 제30권9호
    • /
    • pp.1956-1962
    • /
    • 2009
  • The binding abilities of two multidentate tripodal amine catechol ligands, cis,cis-1,3,5-tris[(2,3-dihydroxybenzylamino) aminomethyl]cyclohexane (TMACHCAT, $L^1)\;and\;N^1,N^3,N^5$-tris(2-(2,3-dihydroxybenzylamino) ethyl)cyclohexane-1,3,5-tricarboxamide (CYCOENCAT, $L^2$) with Ga(III) and In(III) have been investigated by potentiometric and spectrophotometric methods in an aqueous medium of 0.1 M KCl at 25 ${\pm}\;1\;{^{\circ}C}.$ The ligands $L^1\;and\;L^2$ formed various monomeric species $MLH_3,\;MLH_2$, MLH and ML (M = $Ga^{+3}\;and\;In^{+3}$) and showed potential to form strong encapsulated tris(catechol) type complexes. The coordination modes, binding ability and selectivity of the ligands towards Ga(III) and In(III) have been discussed with the help of experimental evidences, and supported with molecular modeling calculations.