Preparations and reactions of bis(η-cyclopentadienyl) compounds of molybdenum or tungsten containing covalent bonds to magnesium
作者:Malcolm L. H. Green、Tuyet Luong-Thi、Glenn A. Moser、Ian Packer、Francis Pettit、David M. Roe
DOI:10.1039/dt9760001988
日期:——
bromo(cyclohexyl)magnesium to give the cyclic dimer [H(η-H5C5)2-Moµ-( H11C6)MgBr2Mg(OEt2)}2Mo(η-C5H5)2H], (III). The Grignard reagents MgRX (RX = PriBr, BunBr, Mel, or PhBr) give generally similar products. Derivative (III) reacts with carbon dioxide, carbon monoxide, benzyl bromide, or butadiene to give the compounds [Mo(η-C5H5)2(CO)], [Mo(η5-C5H5)(η3-C5H7)(CO)2], [Mo(η-C5H5)2(CH2Ph)2], and [Mo(η3-C4H7)(η-C5H5)2][PF6]
的二氢化物[沫(η-C 5 H ^ 5)2H 2 ]与溴(环己基)反应的镁,得到环状二聚体[H(η-H 5 C ^ 5)2 -Mo μ-(H 11 C ^ 6)MgBr 2的Mg(OET 2)} 2的Mo(η-C 5 H ^ 5)2 H],(III)。格氏试剂MgRX(RX = Pr i Br,Bu n Br,Mel或PhBr)通常得到相似的产物。衍生物(Ⅲ)反应与二氧化碳,一氧化碳,苄基溴,或丁二烯,得到化合物[沫(η-C 5 H ^ 5)2(CO)],[沫(η 5 -C 5 H ^ 5)(η 3 -C 5 ħ 7)(CO) 2 ],[沫(η-C 5 H ^ 5) 2(CH 2 PH) 2 ] [沫(η和3 -C 4 ħ 7)(η-C 5 H ^ 5) 2 ] [PF 6 ]分别。(III)的异丙基类似物反应相似。此外,用碘代甲烷,化合物[MOME(η-C 5 H ^ 5) 2I]形成