Tripodal Bis(imidazole) Thioether Copper(I) Complexes:  Mimics of the Cu(B) Site of Hydroxylase Enzymes

Tripodal bis(imidazole) thioether ligands and the corresponding copper(I) complexes [(BIMT-OR)Cu(L)]PF6 [L = CH3CN (2), CO (3); R = H (a), CH3 (b)] have been prepared as models for the Cu(B) site of copper hydroxylase enzymes. The IR ν(CO) values of 3a and 3b (L = CO) are comparable to those of the...

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Bibliographic Details
Published inInorganic chemistry Vol. 45; no. 10; pp. 3840 - 3842
Main Authors Zhou, L, Powell, D, Nicholas, K. M
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 15.05.2006
Subjects
Copper - chemistry
Crystallography, X-Ray
Imidazoles - chemistry
Ligands
Mixed Function Oxygenases - chemistry
Models, Biological
Models, Molecular
Molecular Structure
Organometallic Compounds - chemical synthesis
Organometallic Compounds - chemistry
Sulfides - chemistry
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Summary:Tripodal bis(imidazole) thioether ligands and the corresponding copper(I) complexes [(BIMT-OR)Cu(L)]PF6 [L = CH3CN (2), CO (3); R = H (a), CH3 (b)] have been prepared as models for the Cu(B) site of copper hydroxylase enzymes. The IR ν(CO) values of 3a and 3b (L = CO) are comparable to those of the carbonylated enzymes. The reaction of 2a with O2 gives dinuclear complex 4 with bridging BIMT-O ligands and oxidized −SMe groups, whereas oxygenation of 2b affords [(BIMT-OMe)2Cu2O(H)2](CF3SO3)2 (5) and Cu(BIMT-OMe)(DMF)2](PF6)2 (6).
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ISSN:0020-1669
1520-510X
DOI:10.1021/ic052121b