Synthesis and properties of diphenylphosphanyl and di-isopropylphosphanyl triphenylsilanes and pentaphenyldisilanes

IF 2.1 3区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR Journal of Organometallic Chemistry Pub Date : 2025-04-01 Epub Date: 2025-02-06 DOI:10.1016/j.jorganchem.2025.123555

Mike Friebel , Uwe Böhme , Edwin Kroke

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Abstract

A new, less hazardous synthetic pathway to chloropentaphenyldisilane, ClSi₂Ph₅, has been developed. Starting from this compound and lithium diorganophosphides, the two previously unknown diorganophosphanyldisilanes (diphenylphosphanyl)pentaphenyldisilane, Ph₂PSi₂Ph₅, and (di-isopropylphosphanyl)pentaphenyldisilane, (i-Pr)₂PSi₂Ph₅, were prepared. To compare these compounds with the corresponding monosilanes, the known (diphenylphosphanyl)triphenylsilane, Ph₂PSiPh₃, and the unknown (di-isopropylphosphanyl)triphenylsilane, (i-Pr)₂PSiPh₃, were prepared, too. The former was prepared via new synthetic routes. The compounds were characterized with IR-, Raman-, ³¹P-, ²⁹Si-, and ¹H NMR spectroscopy and melting point determination. Single crystal structure analyses of ClSi₂Ph₅ and (i-Pr)₂PSiPh₃ were carried out and confirm the results presented.

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二苯基磷酰和二异丙基磷酰三苯基硅烷和五苯基二硅烷的合成与性能

一种新的，低危害的合成途径氯戊苯基二硅烷，ClSi2Ph5已经开发。从该化合物和二有机磷酸锂开始，制备了两种以前未知的二有机磷酰二硅烷（二苯基磷酰）五苯基二硅烷Ph2PSi2Ph5和（二异丙基磷酰）五苯基二硅烷（i-Pr）2PSi2Ph5。为了将这些化合物与相应的单硅烷进行比较，还制备了已知的（二苯基磷酰）三苯基硅烷Ph2PSiPh3和未知的（二异丙基磷酰）三苯基硅烷（i-Pr）2PSiPh3。前者是通过新的合成路线制备的。用IR-、拉曼-、31P-、29Si-、1H NMR和熔点测定对化合物进行了表征。对ClSi2Ph5和（i-Pr）2PSiPh3的单晶结构进行了分析，并证实了上述结果。

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来源期刊

Journal of Organometallic Chemistry 化学-无机化学与核化学

CiteScore

4.40

自引率

8.70%

发文量

221

审稿时长

36 days

期刊介绍： The Journal of Organometallic Chemistry targets original papers dealing with theoretical aspects, structural chemistry, synthesis, physical and chemical properties (including reaction mechanisms), and practical applications of organometallic compounds. Organometallic compounds are defined as compounds that contain metal - carbon bonds. The term metal includes all alkali and alkaline earth metals, all transition metals and the lanthanides and actinides in the Periodic Table. Metalloids including the elements in Group 13 and the heavier members of the Groups 14 - 16 are also included. The term chemistry includes syntheses, characterizations and reaction chemistry of all such compounds. Research reports based on use of organometallic complexes in bioorganometallic chemistry, medicine, material sciences, homogeneous catalysis and energy conversion are also welcome. The scope of the journal has been enlarged to encompass important research on organometallic complexes in bioorganometallic chemistry and material sciences, and of heavier main group elements in organometallic chemistry. The journal also publishes review articles, short communications and notes.