Reactivity of Phosphanylphosphinidene Complex of Tungsten(VI) toward Phosphines: A New Method of Synthesis of <i>catena</i>-Polyphosphorus Ligands
作者:Rafał Grubba、Anna Ordyszewska、Kinga Kaniewska、Łukasz Ponikiewski、Jarosław Chojnacki、Dietrich Gudat、Jerzy Pikies
DOI:10.1021/acs.inorgchem.5b01063
日期:2015.9.8
an anionic phosphanylphosphinidene complex of tungsten(VI), [(2,6-i-Pr2C6H3N)2(Cl)W(η2-t-Bu2P═P)]Li·3DME toward PMe3, halogenophosphines, and iodine was investigated. Reaction of the starting complex with Me3P led to formation of a new neutral phosphanylphosphinidene complex, [(2,6-i-Pr2C6H3N)2(Me3P)W(η2-t-Bu2P═P)]. Reactions with halogenophosphines yielded new catena-phosphorus complexes. From reaction
钨的阴离子phosphanylphosphinidene复合物(VI),[(2,6-的反应性异镨2 ç 6 ħ 3 N)2(η(CL)w 2 -吨-Bu 2李·3DMEP═P)]对PMe 3,卤代膦和碘进行了研究。起始络合物与我的反应3 P LED以形成一个新的中性phosphanylphosphinidene络合物,[(2,6-异镨2 ç 6 ħ 3 N)2(ME 3 P)W(η 2 -叔卜2P═P)]。与卤代膦的反应产生新的链-磷配合物。从与Ph 2 PCl和Ph 2 PBr的反应中,分离出具有阴离子三磷配体t - Bu 2 P-P (-)– PPh 2的配合物。与PhPCl反应的主要产物2是钨(VI)络合物与配体pentaphosphorus,吨-Bu 2 P-P (- ) P(PH)-P ( - ) -P-吨-Bu 2。碘在t- Bu 2中的P-P键断裂下与亲电子反应,成为亲电子体P═P单元收率[(1