کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1324541 | 977344 | 2011 | 9 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Highly stereoselective synthesis of novel trans-thiophenylene-silylene-vinylene-arylene molecular and macromolecular compounds Highly stereoselective synthesis of novel trans-thiophenylene-silylene-vinylene-arylene molecular and macromolecular compounds](/preview/png/1324541.png)
Novel stereoregular molecular compounds 8–13 containing thiophenylene-silylene-vinylene-phenylene units have been synthesised via highly effective silylative coupling of styrene and 1,4-divinylbenzene (7) with respective vinylsilylthiophenes (3, 4) and bis(vinylsilyl)thiophenes (5, 6) catalyzed by RuHClCO(PCy3)2. Respective copolymers (14, 15) were produced via silylative copolycondensation of 5 and 6 with 7. All products were isolated and characterised by NMR, MS, HRMS and two of them 10 and 11 by X-ray method. Catalytic study as well as stoichiometric reactions of Ru–H (1) with 2-(vinylsilyl)thiophene (3) and Ru–Si (16) with styrene confirmed the mechanism of the silylative coupling olefins with vinylsilicon compounds.
Novel stereoregular trans-thiophenylene-silylene-vinylene-arylene molecular and polymeric material derivatives have been easily synthesized via silylative coupling (SC) reaction catalysed by ruthenium-hydride complex.Figure optionsDownload as PowerPoint slideHighlights
► Vinylsilylthiophenes can be easily functionalisation to π-conjugated organosilicon materials.
► Silylative coupling permits modification of multivinylsilylthionyl derivatives.
► Trans-thiophenylene-silylene-vinylene-arylene compounds are attractive, potential materials for optoelectronic devices.
Journal: Journal of Organometallic Chemistry - Volume 696, Issue 7, 1 April 2011, Pages 1456–1464