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Synthesis, structure, and reactivity of osmium pi-thiophene complexes

Birri, A; Steed, JW; Tocher, DA; (2000) Synthesis, structure, and reactivity of osmium pi-thiophene complexes. J ORGANOMET CHEM , 596 (1-2) 46 - 52.

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Abstract

[{(eta(6)-p-cymene)OsCl(mu-Cl)}(2)] reacts with silver triflate and thiophenes to give the sandwich compounds [Os(eta(6)-p-cymene)(eta(5-)thio)](OTf)(2) (thio = thiophene, 2,5-dimethylthiophene (DMT), 2,3,4,5-tetramethylthiophene (TMT)). While these compounds do not react cleanly with nucleophiles to form thiopheneyl derivatives, they do react via base hydrolysis to give new acyl thiolate complexes, [Os(eta(6)-p-cymene)(SC3R3C(O)R)], which have closely related ruthenium analogues. (C) 2000 Elsevier Science S.A. All rights reserved.

Type:Article
Title:Synthesis, structure, and reactivity of osmium pi-thiophene complexes
Keywords:osmium, thiophene, arene, thiolate, hydrolysis, X-ray, RUTHENIUM, PENTAAMMINEOSMIUM(II), PROTONATION, CATALYSIS, MECHANISM, CHEMISTRY, LIGANDS, SYSTEM, HDS
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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