[(C5H5Co)2(μ-PMe2)2(μ-H)]BF4 ([II]BF4) reacts with C2(CO2Me)2 to give the products III and IV. The ionic compound III which formally is a adduct of [II]BF4 and C2(CO2Me)2 has been characterized by X-ray structure analysis. III contains the group O=C(OMe)CH=C(CO2Me)PMe2 as a 6-electron donor ligand chelated to a cobalt atom and π-bonded to the other cobalt atom. Complex IV is a neutral compound which
[(C 5 H ^ 5 Co)的2(μ-PME 2)2(μ-H)] BF 4([II] BF 4)使用C发生反应2(CO 2 Me)的2,得到的产品III和IV。通过X射线结构分析已经表征了形式上为[II] BF 4和C 2(CO 2 Me)2的加合物的离子化合物III 。III包含基团O = C(OMe)CH = C(CO 2 Me)PMe 2作为6电子供体
配体,其螯合到一个
钴原子上并且π键合到另一个
钴原子上。复合物IV是其也可以从[C获得中性化合物5 ħ 5的Co(μ-PME 2)] 2(I)和C 2(CO 2 Me)的2。