The reaction of [ReX(CO)5] with thiosemicarbazones H2L(R) derived from beta-keto esters (X = Cl, Br; R = Me, Ph) allowed the isolation of cyclic trimeric complexes [Re3(pyz(R))3(CO)9], where pyz(R) is the pyrazolonate corresponding to the thiosemicarbazone. Electron spray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI-FTICR-MS) monitoring of the reactions of H2L(Ph) in
[ReX(CO)5]与衍生自β-
酮酸酯(X = Cl,Br; R = Me,Ph)的
硫代半
咔唑H2L(R)的反应可分离环状三聚体[Re3(pyz(R)) 3(CO)9],其中pyz(R)是对应于
硫代半
脲的
吡唑啉酸酯。电子喷雾电离傅里叶变换离子回旋共振质谱(ESI-FTICR-MS)监测
甲苯中H2L(Ph)的反应,证实三聚体在反应混合物中形成,未检测到更高的低聚物。这些研究,以及三聚体配合物的X射线结构,为影响
吡唑并at(I)配合物自组装的因素提供了新的见解。