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Issue 22, 1992

Triazacyclane-based trithiols and their use in the preparation of site-differentiated iron–sulfur clusters

Abstract

The new tripodal thiol ligands 1,4,7-tris(4-mercaptobenzoyl)-1,4,7-triazacyclononane (H3L1) and 1,5,9-tris(4-mercaptobenzoyl)-1,5,9-triazacyclododecane (H3L2) have been synthesised and characterised. On reaction with iron–sulfur clusters [Fe4S4(SR)4]2–(R = Et or But), subsite-differentiated clusters, for example [Fe4S4(L1)(SEt)]2–, are formed. Site-specific reaction at the differentiated iron is demonstrated. The novel clusters have been prepared both in solution and as isolated solids, and characterised mainly by 1H NMR and Mössbauer spectroscopy.

Article information


J. Chem. Soc., Dalton Trans., 1992, 3229-3234
Article type
Paper

Triazacyclane-based trithiols and their use in the preparation of site-differentiated iron–sulfur clusters

D. J. Evans, G. Garcia, G. J. Leigh, M. S. Newton and M. D. Santana, J. Chem. Soc., Dalton Trans., 1992, 3229 DOI: 10.1039/DT9920003229

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