Imidazolidine ligands and their coordination behaviour towards the fac-[Re(CO)3]+ core: Unusual synthetic route, spectroscopic and X-Ray crystallographic characterization
作者:G. Habarurema、J. Mukiza、T.I.A. Gerber、T. Mukabagorora、E.C. Hosten、R. Betz
DOI:10.1016/j.jorganchem.2019.121033
日期:2020.1
2-di(pyridin-2-yl)-1H-benzo[d]imidazole (H2dpb) and 2-(2-(pyridine-2-yl)imidazolidin-2-yl)pyridine (H2pip) respectively. The compounds fac-[Re(CO)3(H2dmb)Cl] (1) and fac-[Re(CO)3(H2pip)]Cl.H2O (2) were isolated in good yield by reacting [Re(CO)5Cl] with 2,3-dihydro-2,2-di(pyridin-2-yl)-1H-benzo[d]imidazole (H2dpb) and 2-(2-(pyridine-2-yl)imidazolidin-2-yl)pyridine (H2pip) in toluene respectively. A surprising
with与苯并咪唑烷,咪唑烷及其衍生物的配合物。这项研究突显了一种异常的合成路线,该路线导致了一系列从酮和含二氨基化合物的反应中获得的出乎意料的含环苯并咪唑烷和咪唑烷。桥联吡啶的反应;2,2'- dipyridylketone(DPK)与1,2-二氨基苯和1,2-二氨基乙烷在甲醇导致2,3-二氢-2,2-二(吡啶-2-基)-1-的隔离ħ -苯并[ d ]咪唑(H 2 dpb)和2-(2-(吡啶-2-基)咪唑啉丁-2-基)吡啶(H 2 pip)。化合物fac- [Re(CO)3(H 2 dmb)Cl](1)和通过[Re(CO)5 Cl]与2,3-二氢-2,2-di()的反应以高收率分离出fac- [Re(CO)3(H 2 pip)] Cl.H 2 O(2)。吡啶-2-吡啶基)-1 H-苯并[ d ]咪唑(H 2 dpb)和2-(2-(吡啶-2-基)咪唑烷基-2-基)吡啶(H 2 pip)。fac-