Syntheses and characterization of two dioxygen-reactive dinuclear macrocyclic Schiff-base copper(I) complexes
Inorganic Chemistry, ISSN: 0020-1669, Vol: 42, Issue: 5, Page: 1430-1436
2003
- 38Citations
- 15Captures
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Metrics Details
- Citations38
- Citation Indexes38
- 38
- CrossRef21
- Captures15
- Readers15
- 15
Article Description
The dinuclear copper(I) complex [CuL(CHCN)] (ClO) (1, L = 3,6,9,17,20,23-hexaazatricyclo[23.3.1.1]triaconta- 1(29),2,9,11(30),12(13),14,16,23,25,27-decaene) has been structurally characterized. As previously described, intramolecular ligand hydroxylation (at the aromatic ring) was observed when 1 was reacted with dioxygen. A stopped-flow analysis of the reaction of 1 with dioxygen under different conditions did not allow a "dioxygen intermediate" to be spectroscopically detected. Detailed NMR and electrochemical data on 1 are also presented and evaluated for the first time. No copper(II) complexes of L could be characterized due to hydrolysis of the compounds. In contrast, complex 2 - differing from 1 only in an increase in the size of the chelate rings - did not undergo intramolecular hydroxylation when it was oxidized. The crystal structure of 2 is also described.
Bibliographic Details
American Chemical Society (ACS)
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