Synthesis, Crystal Structure, and Biological Study of Pt
<sup>II</sup>
Complexes with 4‐Acyl‐5‐pyrazolones
作者:Sandra A. De Pascali、Danilo Migoni、Magda Monari、Claudio Pettinari、Fabio Marchetti、Antonella Muscella、Francesco P. Fanizzi
DOI:10.1002/ejic.201301479
日期:2014.3
The syntheses of new PtII complexes with 4‐acyl‐5‐pyrazolones [HQPh = 1‐phenyl‐3‐methyl‐4‐benzoylpyrazol‐5‐one, a; HQpy,CF3 = 1‐(2‐pyridyl)‐3‐methyl‐trifluoroacetylpyrazol‐5‐one, b] are reported: trans‐[PtCl2(DMSO)(HQPh)] (1a), cis‐[PtCl2(DMSO)(HQPh)] (2a), [PtCl(DMSO)(Qpy,CF3)] (1b), and [PtCl2(KQpy,CF3)] (2b). All complexes were characterized by multinuclear (1H, 13C, 19F, and 195Pt), multidimensional
新的Pt II配合物与4酰基5吡唑并酮[HQ Ph = 1苯基3甲基4苯甲酰基吡唑5-1,a ; 报告了HQ py,CF3 = 1-(2-吡啶基)-3-甲基三氟乙酰基吡唑-5-酮,b ]:反式[PtCl 2(DMSO)(HQ Ph)](1a),顺式[PtCl 2(DMSO)(HQ Ph)](2a),[PtCl(DMSO)(Q py,CF3)](1b)和[PtCl 2(KQ py,CF3)](2b)。所有复合物均具有多核(1H,13 C,19 F和195 Pt),多维NMR光谱和单晶X射线衍射分析。异构体反式-[PtCl 2(DMSO)(HQ Ph)](1a)结晶为两种多晶型,分别对应于两个不同的构象异构体。在反式-顺式构象异构体(1a M)(单斜晶系,空间群P 2 1 / c)中,烯醇基团[O(1)H(1)]的H原子与酮氧(O2)建立分子内氢键),而在反式中-反构象异构体(1a O)(正交,空间群Pca