Dimethylphosphinato and dimethylarsinato complexes of Sb(III) and Bi(III) and their chemistry

被引：11

作者：

Ioannou, Panayiotis V. ^{[1
]}

机构：

[1] Univ Patras, Dept Chem, Patras 26504, Greece

来源：

MONATSHEFTE FUR CHEMIE | 2012年 / 143卷 / 10期

关键词：

Dimethylphosphinic acid; Dimethylarsinic acid; Dimethylphosphinates; Dimethylarsinates; Arsenic; Antimony; Bismuth; BISMUTH NITRATE PENTAHYDRATE; BI(NO3)(3)CENTER-DOT-5H(2)O; CRYSTAL; ACID;

D O I：

10.1007/s00706-012-0797-2

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The reaction of Me2PO2H and Me2AsO2H with SbCl3, BiCl3, and Bi(NO3)(3)center dot 5H(2)O gave the complexes Sb(Me2PO2)(3), Sb(Me2AsO2)(3), (Me2PO2)(2)Bi-Cl, Bi(Me2AsO2)(3), (Me2PO2)(2)Bi(NO3), and (Me2AsO2)(2)Bi(NO3)center dot H2O, respectively. The arsinato complexes did not react with the Lewis bases pyridine, Ph3P, and Ph3As in acetone. The compounds Sb(Me2AsO2)(3) and (Me2AsO2)(2)Bi(NO3)center dot H2O reacted to a small extent with nicotinic acid in methanol but Bi(Me2AsO2)(3) gave (Me2AsO2-BiO) (x) in good yields. (Me2AsO2)(2)Bi(NO3)center dot H2O in methanol quantitatively rearranged to new complexes with the same composition, [(Me2AsO2)(2)Bi(NO3)center dot H2O]' and [(Me2AsO2)(2)Bi(NO3)center dot H2O]aEuro(3) in the presence of pyridine. With thiophenol in air, Sb(Me2AsO2)(3) gave PhSSPh and Me2As-SPh (1:1 mol ratio), (Me2AsO2-SbO) (x) and some Sb(Me2AsO2)(3) was reformed, Bi(Me2AsO2)(3) gave (Me2AsO2-BiO) (x) , PhSSPh, and Me2As-SPh (1:0.6 mol ratio), whereas (Me2AsO2)(2)Bi(NO3)center dot H2O quantitatively gave PhSSPh, thus acting as a catalyst for the air oxidation of thiophenol.

引用

页码：1349 / 1356

页数：8

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