Synthesis and characterization of Co(II) and Mn(II) [M3L3] triangles

Synthesis and characterization of Co(II) and Mn(II) [M3L3] triangles

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 [Co 3 L 3 ](ClO 4 ) 6 ·2H 2 O ( C1 ·2H 2 O) and [Mn 3 L 3 ](ClO 4 ) 6 ·3H 2 O (...

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Bibliographic Details
Published in:Journal of inclusion phenomena and macrocyclic chemistry Vol. 94; no. 3-4; pp. 175 - 182
Main Authors: Dais, Tyson N., Brown, Michael J., Coles, Martyn P., Laur, François, Price, Jason R., Rowlands, Gareth J., Plieger, Paul G.
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 15-08-2019
Springer Nature B.V
Subjects:
Chemistry
Chemistry and Materials Science
Crystallography and Scattering Methods
Crystals
Food Science
Ligands
Metallography
Organic Chemistry
Original Article
Single crystals
X ray analysis
Cyclohelicates
Metallo-macrocycle
Cobalt
Pyrazine
Manganese
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Summary: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 [Co 3 L 3 ](ClO 4 ) 6 ·2H 2 O ( C1 ·2H 2 O) and [Mn 3 L 3 ](ClO 4 ) 6 ·3H 2 O ( C2 ·3H 2 O). Single crystal X-ray analysis of both trimeric circular helicates reveal the complexes pack in enantiomeric pairs in close synergy with the accompanying anions. Graphical abstract
ISSN:1388-3127
1573-1111
DOI:10.1007/s10847-019-00904-y