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The combination of thiolato and carboxylato bridges in 1 force a cis arrangement of the imine ligands unique for this type of complex. The chiral Binuclear complexes 1 are mesogenic and in nematic solvents induce cholesteric phases having a temperature-dependent helical screw sense. R′ is for example C6H13.
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Baena et al. (1993) studied this question.
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