Faculté des sciences

Specific reactivity of SH versus OH functions towards dinuclear arene ruthenium units : synthesis of cationic complexes of the type [(arene)2Ru2(SR)3]+

Chérioux, Frédéric ; Thomas, Christophe M. ; Monnier, Tiffany ; Süss-Fink, Georg

In: Polyhedron, 2003, vol. 22, p. 543-548

The reaction of [(arene)RuCl2]2 (arene=C6H6, p-Me—C6H4—iPr, C6Me6) with p-thiocresol, 2-mercaptoethanol and p-mercaptophenol in refluxing ethanol gives the tris-thiolato complexes [(arene) 2Ru2(SR)3]+... More

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    Summary
    The reaction of [(arene)RuCl2]2 (arene=C6H6, p-Me—C6H4iPr, C6Me6) with p-thiocresol, 2-mercaptoethanol and p-mercaptophenol in refluxing ethanol gives the tris-thiolato complexes [(arene) 2Ru2(SR)3]+ (R=p-C6H4—Me, CH2CH2OH, p-C6H4OH) which can be isolated as the chloride salts. The remarkable selectivity of (arene)ruthenium units for SH versus OH functions reflects the affinity of ruthenium towards sulfur.