Addition of triphenylcyclopropenium bromide to the thiocarbonyl complex [RhCl(CS)(PPh ) ] affords novel bicyclic metalla-3-mercapto-thiapyrylliums [Rh(κ -C,S-C S Ph )(PPh ) X ] (X=Cl, Br) - heterocycles with no metal-free isolobal precedent. Halide abstraction with silver triflate (AgOTf) in acetonitrile affords the salt [Rh(κ -C,S-C S Ph )(NCMe) (PPh ) {Ag(OH ) }{Ag(OTf) }]-OTf which in turn reacts with sodium chloride to return [Rh(κ -C,S-C S Ph )(PPh ) Cl ].
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| http://dx.doi.org/10.1002/chem.202301753 | DOI Listing |
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