Synthesis of Chelating Agents. XI. Synthesis and Chelating Behavior of Diaxial trans-Decahydronaphthylene-trans-2,3-dinitrilotetraacetic Acid

Diaxial trans-decahydronaphthylene-trans-2,3-dinitrilotetraacetic acid (D[A.A]TA) was synthesized by carboxymethylation of diaxial trans-decalin-trans-2,3-diamine. The acid dissociation constants as well as chelate stability constants for alkaline earth metal ions were determined by potentiometric titration. The probable structure and chelating behavior of D[A.A]TA in aqueous solutions were discussed in reference to some related complexane ligands.

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