Metal-Ion-Induced Mechanical Chirality: Achiral Rotaxane as the Only Ligand in Chiral Palladium(II)-N-Heterocyclic Carbene Complexes.
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DOI: 10.1021/acs.orglett.2c00426
Abstract: We report the insertion of Pd(II) into an originally achiral rotaxane producing two chiral metallorotaxanes: one is planar-chiral, with its two interlocked components both chelating nonequivalently to the metal center; the other is C2-symmetrical-chiral, with… read more here.
Keywords: achiral rotaxane; metal ion; chirality; heterocyclic carbene ... See more keywords
Synthesis of Mechanically Planar Chiral rac-[2]Rotaxanes by Partitioning of an Achiral [2]Rotaxane: Stereoinversion Induced by Shuttling.
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DOI: 10.1021/acs.orglett.7b02043
Abstract: Mechanically planar chiral [2]rotaxanes were synthesized by the introduction of bulky pyrrole moieties into the axle component of an achiral [2]rotaxane. The enantiomers were separated by chiral HPLC. The shuttling of the ring component between… read more here.
Keywords: synthesis mechanically; achiral rotaxane; stereoinversion; mechanically planar ... See more keywords