The reaction of HFe_2Co(CO)_9(μ_3-S)with(η~5-C_5H_4CH_3)Mo(CO)_3CI has been carried out in refluxing tetrahydrofuran(THF)to give out heterometallic trinuclear clusters(η~5-C_5H_4CH_3)MoFeCo- (CO)_8(μ_3-S)and(η~5-...The reaction of HFe_2Co(CO)_9(μ_3-S)with(η~5-C_5H_4CH_3)Mo(CO)_3CI has been carried out in refluxing tetrahydrofuran(THF)to give out heterometallic trinuclear clusters(η~5-C_5H_4CH_3)MoFeCo- (CO)_8(μ_3-S)and(η~5-C_5H_4CH_3)_2Mo_2Fe(CO)_7(μ_3-S)by electrophilic addition-elimination reaction.Howev- er,(η~5-C_5H_4CH_3)Fe(CO)_2Cl reacted with HFe_2Co(CO)_9(μ_3-S)at room temperature to yield a tetranuclear cluster(η~5-C_5H_4CH_3)Fe_3Co(CO)_(11)(μ_4-S).The μ_4-S cluster could be used as an intermediate in confirmation of the mechanism of the electrophilic addition-elimination reaction.The syntheses,characterizations and X-ray crystal structures of these clusters are reported herein as well as the discussion on the reaction mecha- nism.展开更多
文摘The reaction of HFe_2Co(CO)_9(μ_3-S)with(η~5-C_5H_4CH_3)Mo(CO)_3CI has been carried out in refluxing tetrahydrofuran(THF)to give out heterometallic trinuclear clusters(η~5-C_5H_4CH_3)MoFeCo- (CO)_8(μ_3-S)and(η~5-C_5H_4CH_3)_2Mo_2Fe(CO)_7(μ_3-S)by electrophilic addition-elimination reaction.Howev- er,(η~5-C_5H_4CH_3)Fe(CO)_2Cl reacted with HFe_2Co(CO)_9(μ_3-S)at room temperature to yield a tetranuclear cluster(η~5-C_5H_4CH_3)Fe_3Co(CO)_(11)(μ_4-S).The μ_4-S cluster could be used as an intermediate in confirmation of the mechanism of the electrophilic addition-elimination reaction.The syntheses,characterizations and X-ray crystal structures of these clusters are reported herein as well as the discussion on the reaction mecha- nism.
