Basinger, Mark A. published the artcileStructural requirements for mercury(II) antidotes, Computed Properties of 38260-01-4, the publication is Journal of Inorganic and Nuclear Chemistry (1981), 43(6), 1419-25, database is CAplus.
In order to determine the structural requirements for Hg(II) antidotes, stability constants were determined for Hg(II) complexes with thiol-containing ligands, and the relative efficacy was examined of 29 compounds as antidotes for Hg poisoning. Examples are not found in which 2 thiol groups on the same chelate mol. are simultaneously bonded to the same Hg(II) species, and Hg(II) complexes becoming 2 S donors generally have a bond angle of ?180¡ã between these 2 bonds. In general, mols. which are not potential chelates are inferior as antidotes; the presence of a second donor group is required, apparently to provide the necessary kinetic stability of the complex. In the case of dithiols, Hg may move back and forth from a S donor site to another but may not (and possibly cannot) bind firmly and simultaneously to both donor sites.
Journal of Inorganic and Nuclear Chemistry published new progress about 38260-01-4. 38260-01-4 belongs to catalysis-chemistry, auxiliary class Chelating Agents, name is N1,N1′-(Ethane-1,2-diyl)bis(ethane-1,2-diamine) dihydrochloride, and the molecular formula is C6H20Cl2N4, Computed Properties of 38260-01-4.
Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia