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We report an improved method to make the ligand N,N′-(pyrazine-2,5-diylbis(methanylylidene))bis(2-(pyridin-2-yl)ethanamine) (L) and the subsequent complexation of this ligand to make the triangular metallo-macrocycles [Co3L3](ClO4)6·2H2O (C1·2H2O) and [Mn3L3](ClO4)6·3H2O (C2·3H2O). Single crystal X-ray analysis of both trimeric circular helicates reveal the complexes pack in enantiomeric pairs in...
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