The First Triisopropylstibane Ruthenium(II) and Ruthenium(0) Complexes Including the X-ray Crystal Structure of [Ru(η3-C3H5)2(SbiPr3)2]Dedicated to Professor Markus Wieber on the occasion of his 60th birthday
Wiley InterScience Backfile Collection 1832-2000
Chemistry and Pharmacology
The hydridoruthenium(II) complexes [RuHCl(H2)(SbiPr3)3] (2) and [RuH2(H2(SbiPr3)3] (3), containing dihydrogen as ligand, were prepared from [RuCl2(C8H12)]n (1) as the starting material. Compound 3 reacts with CO by displacement of H2 to yield [RuH2(CO)(SbiPr3)3] (4) and with C2H4 to give both [RuH2(C2H4)2(SbiPr3)2] (5) and [RuH2(C2H4)(SbiPr3)3] (6), the latter as the more stable and isolable product. Treatment of 3 with propene leads to the formation of [Ru(η3-C3H5)2] (7) while the reaction of 3 with butadiene affords the pentacoordinated ruthenium(0) compound [Ru(η4-C4H6)2(SbiPr3)] (8). The molecular structure of the bis-(allyl) complex 7 was determined by X-ray crystallography.
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