Synthesis and properties of diruthenium (II,III)compounds with trans-2-methyl-2-pentenoate ligand. Crystal structure of Ru2Cl(μ-O2CC(Me)CHEt)4

Add time:09/06/2019    Source:sciencedirect.com

The reaction of Ru2Cl(μ-O2CMe)4 with trans-2-methyl-2-pentenoic acid affords the polymeric compound Ru2Cl(μ-O2CC (Me)CHEt)4 (1). This compound has polymeric structure in solid state, but is non-polymeric in solution. The reaction of 1 with OPPh3 in CH2Cl2 solution gives Ru2Cl(μ-O2CC(Me)CHEt)4(OPPh3) (2) supporting the non-polymeric structure of 1 in solution. The reaction of 1 with AgSCN leads to Ru2(μ-O2CC(Me)CHEt)4(SCN) (3) which also has a polymeric structure in solid state. The Ru–Cl bond in 1 was broken with AgBF4 in THF solution, giving [Ru2(μ-O2CC(Me)CHEt)4]BF4(4). All compounds have been characterised by analysis elemental, spectroscopic data and mass and magnetic measurements. The X-ray analysis of 1 shows [Ru2(μ-O2CC(Me)CHEt)4]+ units linked by chloride ions giving linear chains. The Ru–Ru and Ru–Cl distances are 2.281(1) and 2.5705(9) Å respectively.

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