Sulphur–sulphur, sulphur–selenium, selenium–selenium and selenium–carbon bond activation using Fe<sub>3</sub>(CO)<sub>12</sub>: an unexpected formation of an Fe<sub>2</sub>(CO)<sub>6</sub> complex containing a μ<sup>2</sup>,κ<sup>3</sup>-C,O,Se-ligand
作者:Ralf Trautwein、Hassan Abul-Futouh、Helmar Görls、Wolfgang Imhof、Laith R. Almazahreh、Wolfgang Weigand
DOI:10.1039/c9nj02642h
日期:——
5-bis(bromomethyl)-2,2-dimethyl-1,3-dioxane reacts with in situ generated Na2Se yielding compound 2 in 26% yield. When Fe3(CO)12 reacts under reflux with the selenaspiro compound 2 in toluene, the unique diiron complex, [Fe2(CO)6μ2,κ3-Se,C,O-SeCH2C7H12O2}] (8), is obtained as a result of an initial selenium–carbon bond activation. Compounds 5, 6, 7, and 8 were characterized by IR, 1H, 13C1H}, and 77Se1H} NMR spectroscopy
已经制备了分别含有二硫代巯基(5),二硒代(6)和硒代硫代巯基的配体(7)的三种二铁六羰基配合物作为[FeFe]-氢化酶模拟物。的Fe的治疗3(CO)12与一个当量的相应的5-元杂环的1,3和4在甲苯中在回流下,得到相应的络合物5-7。5,5-双(溴甲基)-2,2-二甲基-1,3-二恶烷与原位生成的Na 2 Se 2的反应导致形成8,8-二甲基-7,9-dioxa-2, 3-diselenaspiro [4.5]癸烷(1)和痕量的7,7-二甲基-6,8-二氧杂-2-硒代螺[3.4]壬烷(2)。或者,5,5-双(溴甲基)-2,2-二甲基-1,3-二恶烷与原位生成的Na 2 Se反应,以26%的产率产生化合物2。将Fe 3(CO)12分根据与selenaspiro化合物发生反应回流2在甲苯中,独特的二铁配合物[铁2(CO)6 μ 2,κ 3 -Se,C,O-SECH 2 Ç 7 ħ 12 ö