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À propos de : Organometallic Macrocycle Chemistry. 5. σ-Vinyl andσ-Aryl Complexes of Ruthenium(II) Ligated by1,4,7-Trithiacyclononane: X-ray Crystal Structure of[Ru(CHCH2)(CO)(PPh3)([9]aneS3)]PF6·2CH2Cl2        

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  • Organometallic Macrocycle Chemistry. 5. σ-Vinyl andσ-Aryl Complexes of Ruthenium(II) Ligated by1,4,7-Trithiacyclononane: X-ray Crystal Structure of[Ru(CHCH2)(CO)(PPh3)([9]aneS3)]PF6·2CH2Cl2
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  • The reaction of coordinatively unsaturated σ-vinylcomplexes[Ru(CRCHR‘)Cl(CO)(PPh3)2]with 1,4,7-trithiacyclononane ([9]aneS3) provideschiral salts of the “half-sandwich” complexes[Ru(CRCHR‘)(CO)(PPh3)([9]aneS3)]+.The synthesis of the σ-aryl complex[Ru(C6H4Me-4)(CO)(PPh3)([9]aneS3)]+is also described. A representative NMR study of oneexampleallowed the assignment of individual chemical shifts for the 12diastereotopic protonenvironments of the macrocycle. The crystal structure of[Ru(CHCH2)(CO)(PPh3)([9]aneS3)]PF6.2CH2Cl2is also reported.
  • The reactions of arange of coordinatively unsaturated σ-vinyl and σ-aryl complexes ofruthenium(II) with 1,4,7-trithiacyclononane([9]aneS3) provide convenient access to the chiralcationic complexes[RuR(CO)(PPh3)([9]aneS3)]+(R = CHCH2, CPhCHPh,CHCHC6H4Me,C6H4Me,C(C⋮CPh)CHPh).
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