THE REACTION BETWEEN PLATINUM CHLORIDES AND CARBON MONOXIDE - THE PREPARATION AND CONFIGURATION OF DICHLORODICARBONYLPLATINUM(II)
THE REACTION BETWEEN PLATINUM CHLORIDES AND CARBON MONOXIDE - THE PREPARATION AND CONFIGURATION OF DICHLORODICARBONYLPLATINUM(II)
复制标题
DOI：
10.1021/ja01646a005
复制
发表时间：
1954-01-01
影响因子：
15
通讯作者：
PARRY, RW
中科院分区：
文献类型：
--
作者：
LUTTON, JM;PARRY, RW
PtCl3与高压一氧化碳在125℃反应，可以高产率地合成纯的二氯二羰基铂(II)。另一方面，如果以PtCl2为起始原料，则在任何温度和压力下都得不到很低的PtCl2(C02)产率。纯PtCl2(CO)2在真空或氮气中不可逆地失去CO，但在一个大气压的CO压力下是稳定的。考虑了这些事实与所涉及的均衡之间的关系。二氯二羰基铂(II)在苯溶液中的偶极矩德拜值为4.85±0.05，证实了一个较早的近似值，并排除了反式结构作为主要形式之一。库尔纳科夫的硫脲测试也暗示了该化合物的顺式结构，但化学测试的结果并不明确。介绍了以商品Pt02为原料制备PtCl2的方法。
Pure dichlorodicarbonylplatinum (II) can be synthesized in good yield by the reaction between PtCl3 and high pressure carbon monoxide at 125. On the other hand, very poor yields of PtCl2 (C02) are obtained at all temperatures and pressures if PtCl2 is the starting material. Pure PtCl2 (CO) 2 loses CO irreversibly in vacuum or under nitrogen, but is stable under a CO pressure of one atmosphere. The relationship of these facts to the equilibria involved is considered. A value of 4.85±0.05 Debye forthe dipole moment of dichlorodicarbonylplatinum (II) in benzene solution confirms an earlier approximate value and eliminates the trans structure as one of the principal forms. Kurnakov’s thiourea test also implies a cis structure for the compound, but results of the chemical test are not unequivocal. A preparation of PtCl2 from commercial Pt02 is described.