首页> 外文期刊>Chemistry: A European journal >Rearrangement of a(Dithiolato)platinum(II)Complex Formed by Reaction of Cyclic Disulfide 7,8-Dithiabicyclo[4.2.1]nona-2,4-diene with a Platinum(0)Complex:Oxidation of the Rearranged(Dithiolato)platinum(II)Complex
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Rearrangement of a(Dithiolato)platinum(II)Complex Formed by Reaction of Cyclic Disulfide 7,8-Dithiabicyclo[4.2.1]nona-2,4-diene with a Platinum(0)Complex:Oxidation of the Rearranged(Dithiolato)platinum(II)Complex

机译:环二硫7,8-二硫代双环[4.2.1] nona-2,4-二烯与铂(0)络合物的反应形成的(二硫代铂)(II)配合物的重排:重排的(二硫代铂)的氧化(二)复杂

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摘要

Reaction of the title bicyclic disulfide 16 with[(Ph3P)2Pt(eta2-C2H4)](2)yielded the corresponding(dithiola-to)platinum(II)complex 17 by oxida tive addition.The initial product 17 iso-merized at room temperature in a[1,5]-sulfur rearrangement to give an other(dithiolato)platinum(II)complex 18 in high isolated yield.Oxidation reactions of 18 with dimethyldioxirane(DMD)provided(sulfenato-thiolato)-platinum(II)23,(sulfinato-thiolato)pla-tinum(II)24,(sulfenato-sulfinato)plati-num(II)25,and(disulfinato)plati-num(II)26 complexes,the structures of which were elucidated by NMR spec troscopy and X-ray crystallography.The oxidation process took place regio-selectively in the first step and chemo-selectively in the second.The selectivi-ties are discussed.
机译:标题双环二硫键16与[(Ph3P)2Pt(eta2-C2H4)](2)的反应通过氧化加成反应生成相应的(二硫代-铂)铂(II)配合物17.初始产物17在室温下异构化[1,5]-硫重排中的最高温度,得到另一个(二硫代铂基)铂(II)络合物,分离产率高。18与二甲基二环氧乙烷(DMD)的氧化反应提供了(磺基-硫代铂基)-铂(II)23 ,(磺基硫脲基)铂(II)24,(磺基硫磺基)铂(II)25和(二磺基)铂(II)26配合物,其结构通过NMR光谱法进行了阐明氧化过程在第一步中是区域选择性发生的,而在第二步中是化学选择性发生的。讨论了选择性。

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