Isolation and Crystal Structure of [Cu(L1)(O2CH)](ClO4)?·?H2O: Hydrolysis of DMF ( N , N -Dimethylformamide) by a Copper(II) Tetraazamacrocycle |
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| Authors: | Ju Chang Kim Jungyun Roh Alan J. Lough |
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| Affiliation: | (1) Department of Chemistry, Pukyong National University, Pusan, 608 737, Korea;(2) Department of Chemistry, University of Toronto, Toronto, ON, Canada, M5S 3H6 |
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| Abstract: | The tetraazamacrocyclic copper(II) complex, [Cu(L)](ClO4)2 (L = 3,14-dimethyl-2,6,13,17-tetraazatricyclo[14.4.01.18.07.12]docosane), hydrolyzes DMF at room temperature. The formate anion which is one of the hydrolyzed species of DMF coordinates to the copper(II) ion to form [Cu(L1)(O2CH)](ClO4) · H2O (1). The crystals of the complex 1 were isolated and structurally characterized by a combination of analytical, spectroscopic, and crystallographic methods. In 1, the macrocyclic ligand contains two trans fused cyclohexane rings, and the coordination geometry about the copper(II) ion adopts a square pyramid with four equatorial nitrogen atoms from the macrocycle and an oxygen atom from the formato ligand with an uncoordinated perchlorate ion. |
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| Keywords: | Crystal structure Tetraazamacrocycle Amide hydrolysis Copper(II) complex |
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