The reaction of triphenylantimony, hydrogen peroxide and 5-bromo-2-hydroxybenzaldoxime in a 1 : 1 : 2 molar ratio in ether gives triphenylantimony bis(5-bromo-2-hydroxybenzaldoximate). The reaction of penta-p-tolylantimony with the same oxime in toluene yields tri-p-tolylantimony bis(cyclohexanone oximate). According to X-ray data, the Sb atoms in the products have a distorted trigonal bipyramidal coordination with the oximate ligands in axial positions. In triphenylantimony bis(5-bromo-2-hydroxybenzaldoximate), the O-Sb-O angle is 175.49(6)°, and the interatomic distances are as follows, Å: Sb-C 2.095–2.103; Sb-O 2.069(2) and 2.083(2); and Sb⋅⋅⋅N (intermolecular) 2.896(2) and 2.832(2). The respective geometric parameters of tri-p-tolylantimony bis(cyclohexanone oximate) are 174.25(6)°; 2.107–2.117; 2.049(2) and 2.057(2); and 2.890(2) and 2.861(2) Å.
三苯基锑、
过氧化氢和5-
溴-2-羟基苯甲
肟以1:1:2的摩尔比在醚中反应生成
三苯基锑双(5-
溴-2-羟基苯甲
肟)。五(p-甲基苯基)
锑与相同的
肟在
甲苯中反应生成三(p-甲基苯基)
锑双(
环己酮肟)。根据X射线数据,产物中的Sb原子具有扭曲的三角双锥配位,
肟配体位于轴向。在
三苯基锑双(5-
溴-2-羟基苯甲
肟)中,O-Sb-O角为175.49(6)°,原子间距如下,Å:Sb-C 2.095–2.103;Sb-O 2.069(2)和2.083(2);以及Sb⋅⋅⋅N(分子间)2.896(2)和2.832(2)。三(p-甲基苯基)
锑双(
环己酮肟)的几何参数分别为174.25(6)°;2.107–2.117;2.049(2)和2.057(2);以及2.890(2)和2.861(2) Å。