Abstract
Treatment of the ruthenium complex [Ru] CC(Ph)C(S)N(Ph)C(NPh)S ( 3, [Ru]=Cp(dppe)Ru) containing a heterocyclic [1,3]-thiazine-4-thione six-membered-ring ligand with various organic halides results in alkylation at the thione sulfur terminus of the ligand to yield [Ru] CC(Ph)C(SCH2R)N(Ph)C(NPh)S ][X] ( 4a, R=CN, X=I; 4b, R=Ph, X=Br; 4c, R=CH=CH 2, X=I, 4d, R= p-C 6H 4CF 3, X=Br). Similarly the reaction of 3 with HgCl 2 at room temperature affords [Ru] CC(Ph)C(SHgCl)N(Ph)C(NPh)S ][Cl] ( 5). Transformation of 5 to the cationic vinylidene complex {[Ru]CC(Ph)C(O)NHPh} 2[Hg 2Cl 6] ( 6) readily occurred in the air. The structures of 4c and 6 are determined by single crystal X-ray diffraction analysis.
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