Abstract
AbstractThe reaction of [OsCl2(PPh3)3] (1) with iPr2PCH2CH2NMe2 in 2‐propanol under reflux affords the Fischer‐type aminocarbene complex cis,cis‐[OsCl2{κ2(C,P)‐CHN(CH3)CH2CH2PiPr2}{κ2(P,N)‐iPr2PCH2CH2NMe2}] (2) by double C–H activation of one NCH3 group. While treatment of 2 with phenylacetylene leads to the vinylidene complex cis,trans‐[OsCl2(C=CHPh){κ2(C,P)‐CHN(CH3)CH2CH2PiPr2}{κ(P)‐iPr2PCH2CH2NMe2}] (3) by partial opening of the P,N‐chelate bond, the reaction of 2 with CO and CNtBu gives rise to ionic compounds of type [OsCl(L){κ2(C,P)‐CHN(CH3)CH2CH2PiPr2}{κ2(P,N)‐iPr2PCH2CH2OMe}]Cl (4: L = CO, 5: L = CNtBu) by substitution of one chloro ligand. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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