期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 31, 页码 4625-4628出版社
WILEY-BLACKWELL
DOI: 10.1002/ejic.200900759
关键词
Carbene complexes; C-H activation; Osmium; Phosphaneamine; Vinylidene complex
资金
- Deutsche Forschungsgemeinschaft (DFG)
- Fonds der Chemischen Industrie
The reaction of [OsCl2(PPh3)(3)] (1) with iPr(2)PCH(2)CH(2)NMe(2) in 2-propanol under reflux affords the Fischer-type aminocarbene complex cis,cis-[OsCl2{kappa(2)(C,P)-CHN(CH3)CH2CH2-PiPr(2)}{kappa(2)(P,N)-iPr(2)PCH(2)CH(2)NMe(2)}] (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){kappa(2)(C,P)-CHN(CH3)CH(2)CH(2)PiPr(2)}{kappa(P)-iPr(2)-PCH2CH2NMe2}] (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){kappa(2)(C,P)-CHN(CH3)CH2CH2-PiPr(2)}{kappa(2)(P,N)-iPr(2)PCH(2)CH(2)OMe}]Cl (4: L = CO, 5: L = CNtBu) by substitution of one chloro ligand. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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