Tetrahedron

Synthesis of a New Diaminodithiol Bifunctional Chelator for Radiolabeling Biomolecules with Indium (III)

Y Sun, AE Martell, MJ Welch

Index: Sun, Yizhen; Martell, Arthur E.; Welch, Michael J. Tetrahedron, 2000 , vol. 56, # 29 p. 5093 - 5103

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Citation Number: 5

Abstract

The synthesis of a new bifunctional ligand 1-(p-carboxybenzyl)-N, N′-bis-[1, 1-dimethyl-1- (p-methoxybenzylthio) ethyl]-ethylenediamine-N, N′-diacetic acid, di-t-butyl ester (1, nbi6ss) is described. It consists of a carboxybenzyl group substituted on a carbon atom of the ethylenediamine moiety of a hexadentate ligand, which has been found to have a very high affinity for In (III). The gem-dimethylthiol groups and the carboxylic acid groups of the ...

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