The μ-sulfonium–methylidene diiron complexes [Fe2{μ-C(X)SMe2}(μ-CO)(CO)2(Cp)2]SO3CF3 (X=CN, H) as precursors of μ-alkylidene complexes
作者:S. Bordoni、L. Busetto、M.C. Cassani、A. Palazzi、V. Zanotti
DOI:10.1016/s0020-1693(99)00105-x
日期:1999.8
μ-alkylidene complexes [Fe 2 μ-C(X)R}(μ-CO)(CO) 2 (Cp) 2 ] ( 5 – 7 ) (X=CN, H; R=CH(COOMe) 2 , CH(COOEt) 2 , CH(COOMe)(COMe), CH(COMe) 2 , CH(COPh) 2 , CH(Ph)CN). The dichetone adducts [Fe 2 μ-C(X)CH(COR) 2 }(μ-CO)(CO) 2 (Cp) 2 ] (X=CN, H; R=Me, Ph) undergo deacylation upon treatment with alumina, leading to the formation of the complexes [Fe 2 μ-C(X)CH 2 C(O)R}(μ-CO)(CO) 2 (Cp) 2 ]. Reactions of
摘要[Fe 2 μ-C(X)SMe 2}(μ-CO)(CO)2(Cp)2] SO 3 CF 3(X = CN 2a,H 2b; Cp =η-C5 H 5)与Li 2 Cu(CN)R 2(R = Me,Bu n,Ph,CCC 6 H 4 Me-4,C 4 H 3 S)给出中性μ-亚烷基络合物[Fe 2 μ-C (X)R}(μ-CO)(CO)2(Cp)2](3)由桥碳和SMe 2置换处的亲核攻击引起。同样,2a,b与丙二酸二甲酯,丙二酸二乙酯,乙酰乙酸乙酯,2,4-戊二酮,二苯甲酰甲烷和苄基氰的钠盐反应,形成相应的官能化的亚烷基络合物[Fe 2 μ-C(X)R }(μ-CO)(CO)2(Cp)2](5 – 7)(X = CN,H; R = CH(COOMe)2,CH(COOEt)2,CH(COOMe)(COMe),CH (COMe)2,CH(COPh)2,CH(Ph)CN)。双苯甲酸酯加合物[Fe