Oxidation and chalcogenylative disproportionation of anionic phosphide ligands in yttrium complexes with elemental sulfur and selenium

被引：4

作者：

Zhang, Fangjun ^{[1
]}

Yi, Weiyin ^{[1
]}

Zhang, Jie ^{[1
]}

You, Qing ^{[1
]}

Weng, Linhong ^{[1
]}

Zhou, Xigeng ^{[1
]}

机构：

[1] Fudan Univ, Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China

来源：

DALTON TRANSACTIONS | 2019年 / 48卷 / 28期

基金：

中国国家自然科学基金;

关键词：

CATALYZED ASYMMETRIC HYDROGENATION; EARTH-METAL COMPLEXES; PHOSPHINIDENE COMPLEX; CRYSTAL-STRUCTURE; REACTIVITY; PHOSPHORUS; SPECTROSCOPY; ACTIVATION; ACTINIDE; BONDS;

D O I：

10.1039/c9dt01537j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The oxidation and disproportionation of anionic phosphide ligands in yttrium complexes with elemental sulfur and selenium are reported. The mixed Tp(Me2)/Cp supported yttrium phosphide complex Tp(Me2)CpYPPh(2)(THF) (1) reacted with one equiv. of elemental S or Se in THF at room temperature to deliver two structurally characterized yttrium dithio- or monoseleno-phosphinates Tp(Me2)CpYS(2)PPh(2)(THF) (2) and Tp(Me2)CpYSePPh(2)(THF) (4(Se)), respectively. Further investigations showed that the yttrium thiophosphinate Tp(Me2)CpYSPPh(2)(THF) (4(S)) can be isolated from the reactions of 2 and 1 or 1 and elemental S in a short reaction time. Moreover, after keeping 4(S) or 4(Se) in THF solution for some days, 2 or [(Tp(Me2))(2)Y](+)[Se2PPh2](-) (5) was obtained by a disproportionation process. The mechanism for the construction of the Ph2PE- and Ph2PE2- (E = S, Se) ligands has been discussed based on the in situ NMR experiments and some designed reactions.

引用

页码：10596 / 10603

页数：8

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