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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2015, Volume 66, Issue 7,





IONEL JIANU, DANIELA RADU, GABRIEL BUJANCA, ILEANA COCAN, RAMONA LILE
New Polydentate Sequestrants: Synthesis, Management and Potential Applications

Abstract:

Nitrilotriacetic acid (NTA), a polydentate sequestrant, is accessed in fundamental and applied research for coordination processes of metal cations, generally of small entities. Practical interest determined also the diversification of the structural range by the synergistic cumulation of the sequestering competences of NTA with “homogeneous” (n =3-18) polyoxyethylene (PEO) chains, cyanoethylated and hydrolyzed exhaustively under acid catalysis in the presence of phase-transfer catalysts (PTC). This work aims to achieve, to formulate managerial considerations, potential applications and to characterize the series of “homogeneous” polyethoxylated (n=3-18) nitrilotripropionic acids, starting from triethanolamine (TEOA), “homogeneously” polyethoxylated (n=3-18) by the modified Williamson method, followed by cyanoethylation and exhaustive hydrolysis. Keywords: Triethanolamine polyethoxylated, nitrilotripropionic acid, complexon, triethanolamine cyanoethylated


Issue: 2015, Volume 66, Issue 7
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