School of Chemistry, Monash University, Victoria, 3800, Australia.
College of Science & Engineering, James Cook University, Townsville, Qld, 4811, Australia.
Angew Chem Int Ed Engl. 2017 Jul 10;56(29):8486-8489. doi: 10.1002/anie.201702636. Epub 2017 Jun 14.
Reduction of tungsten hexacarbonyl by the divalent samarium(II) complex [Sm (N Et )(thf) ] ((N Et ) =meso-octaethylcalix[4]pyrrolide) in toluene at ambient temperature gave the remarkable heteronuclear mixed-valent samarium(II/III)/tungsten complex [{(thf) Sm (N Et )Sm (thf)} {(μ-OC) W (CO) }], which features the trapping of a rare [W (CO) ] anion with an unsupported W-W bond.
在室温下，二价钐（II）配合物[Sm(N Et )(thf)]((N Et )=meso-辛基八乙基杯[4]吡咯烷)将六羰基钨还原，在甲苯中得到了显著的异核混合价钐（II/III）/钨配合物[{(thf) Sm(N Et )Sm(thf)} {(μ-OC) W(CO) }]，其中捕获了一个罕见的[W(CO)]阴离子，其具有未支撑的 W-W 键。
