Summary
The reactions of methyl-2-amino-4-diethylamino thieno-[2,3-d]pyrimidine 6-carboxylate, methyl-2-amino-4-ethyl-phenylamine thieno-[2,3-d]pyrimidine-6-carboxylate) and methyl-2-amino, 4-morpholino-thieno-[2,3-d]pyrimidine-6-carboxylate with NiII and CoII halides produced complexes of the general formula ML2X2 (where L is thieno pyrimidine and X is Cl or Br). The complexes were characterized by elemental analyses, conductivity and magnetic susceptibility measurements and spectroscopy. All of the complexes were found to have pseudotetrahedral structures with the metal coordinated through the N(1) site of the thieno-[2,3-d]-pyrimidine.
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Tsiveriotis, P., Varvounis, G., Papadimitriou, C. et al. Nickel(II) and cobalt(II) complexes of 2,4-diaminothieno[2,3-d]-pyrimidines. Transition Met Chem 19, 335–339 (1994). https://doi.org/10.1007/BF00139107
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DOI: https://doi.org/10.1007/BF00139107