Synthesis, molecular structure and electrochemical properties of the star-shaped dinuclear complexes [Ru2(η6-p-Me–C6H4-iPr)2(μ2-S-p-C6H4–C4H3S)3]+ and [Rh2(η5-C5Me5)2(μ2-S-p-C6H4–C4H3S)3]+

Chérioux, Frédéric; Therrien, Bruno; Sadki, Saïd; Comminges, Clément; Süss-Fink, Georg

doi:10.1016/j.jorganchem.2005.03.011

Synthesis, molecular structure and electrochemical properties of the star-shaped dinuclear complexes [Ru2(η6-p-Me–C6H4-iPr)2(μ2-S-p-C6H4–C4H3S)3]+ and [Rh2(η5-C5Me5)2(μ2-S-p-C6H4–C4H3S)3]+

Author(s)

Chérioux, Frédéric

Therrien, Bruno

Institut de chimie

Sadki, Saïd

Comminges, Clément

Süss-Fink, Georg

Institut de chimie

Date issued

April 29, 2005

In

Journal of Organometallic Chemistry, 2005/690/2365-2371

Subjects

Ruthenium Rhodium Complexes Thiophene Electrochemistry UV–Vis

Abstract

The dinuclear cations [Ru2(η6-p-Me–C6H4–iPr)2(μ2-S-p-C6H4–Br)3]+ and [Rh(η5-C5Me5)(μ2-S-p-C6H4–Br)3]+ are found to undergo triple Suzuki coupling with 2- or 3-thiophene boronic acid to give [Ru2(η6-p-Me–C6H4–iPr)2(μ2-S-pC6H4–C4H3S)3]+ (1 and 2) and [Rh2(η5-C5Me5)2(μ2-S-p-C6H4–C4H3S)3]+ (3 and 4), respectively. The star-like complexes are potential precursors for the insertion of dinuclear organometallic entities in the main chain of conjugated molecules thanks to their free thienyl moieties at their periphery. The electrochemical and optical properties of these new complexes have also been investigated.