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    • 6. 发明授权
    • Bimetallic cluster catalysts
    • 双金属簇催化剂
    • US4605751A
    • 1986-08-12
    • US572201
    • 1984-01-17
    • M. David CurtisJohannes W. SchwankLevi T. ThompsonP. Douglas Williams
    • M. David CurtisJohannes W. SchwankLevi T. ThompsonP. Douglas Williams
    • C07F11/00C07F15/02C07F15/04C07F15/06
    • C07F11/00C07F15/025C07F15/045C07F15/065
    • A facile synthesis of the precursor, Cp.sub.2 Mo.sub.2 (.mu.-S).sub.2 (.mu.-SH).sub.2, to novel heterobimetallic cluster compositions (e.g., Cp.sub.2 Mo.sub.2 Fe.sub.2 (.mu.-S).sub.2 (CO).sub.8 ; Cp.sub.2 Mo.sub.2 Ni.sub.2 (.mu..sub.3 -S).sub.4 (CO).sub.2 ; Cp.sub.2 Mo.sub.2 Co.sub.2 (.mu..sub.3 -S).sub.2 (.mu..sub.4 -S)(CO).sub.4 ; Cp.sub.2 Mo.sub.2 Fe.sub.2 (.mu..sub.3 -S).sub.4 (CO).sub.6 and Cp.sub.4 Mo.sub.2 Ni.sub.2 S.sub.4 and the subsequent synthesis and use of the heterobimetallic cluster compositions as highly active and selective catalysts for the hydrogenation of carbon monoxide. Such heterobimetallic cluster catalysts supported on alumina exhibit extraordinary activity and selectivity with respect to the formation of ethane without concommitant formation of C.sub.3, C.sub.4 and heavier hydrocarbons. The catalysts are contemplated as being useful for syngas conversion even in the presence of several ppm of H.sub.2 S or the like in the feedstream.
    • 新型异双金属簇组合物(例如,Cp2Mo2Fe2(mu-S)2(CO)8; Cp2Mo2Ni2(mu-3-S)4(muS-2) CO)2; Cp2Mo2Co2(mu3-S)2(mu4-S)(CO)4; Cp2Mo2Fe2(mu3-S)4(CO)6和Cp4Mo2Ni2S4),随后将异双金属簇组合物合成和使用高度 用于氢氧化一氧化碳的活性和选择性催化剂这种负载在氧化铝上的这种异双金属簇催化剂在形成乙烷方面表现出非凡的活性和选择性,而不会同时形成C3,C4和较重的烃,催化剂被认为可用于合成气 即使在进料流中存在几ppm的H 2 S等。