Encapsulation of cationic ruthenium complexes into a chiral self-assembled cage |
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| Authors: | Fiedler Dorothea Pagliero Daniela Brumaghim Julia L Bergman Robert G Raymond Kenneth N |
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| Affiliation: | Department of Chemistry, University of California, Berkeley, California 94720-1460, USA. |
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| Abstract: | A chiral supramolecular assembly encapsulates the two cationic ruthenium sandwich complexes CpRu(eta(6)-C(6)H(6))](+) and CpRu(p-cymene)](+). The host-guest complexes K(11)CpRu(eta(6)-C(6)H(6)) subset Ga(4)L(6)] (2) and K(11)CpRu(p-cymene) subset Ga(4)L(6)] (3) were characterized by one- and two-dimensional NMR techniques as well as by electrospray mass spectrometry. Encapsulation of the prochiral complex CpRu(p-cymene)](+) by the chiral host renders enantiotopic protons diastereotopic as evidenced by (1)H NMR spectroscopy. |
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