کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1324596 | 1499910 | 2013 | 5 صفحه PDF | دانلود رایگان |
The reaction of [PdCl(E∩N)]n with AgOAc in methanol afforded the corresponding acetato complexes, [Pd(OAc)(E∩N)]n (E∩N/n = ECH2CH2NMe2/3; ECH2CH2CH2NMe2/2 (E = S or Se)). The molecular structures of [Pd(OAc)(ECH2CH2NMe2)]3 were established by single crystal X-ray diffraction analyses. The trimeric structures comprise of three palladium atoms bridged through chalcogen atoms of the chelating chalcogenolate ligand forming a twisted six-membered Pd3E3 ring. The acetato-ligand acts in a monodentate fashion. The catalytic activity of [PdCl(E∩N)]n and [Pd(OAc)(E∩N)]n in Suzuki C–C cross coupling reactions has been investigated. The dimeric acetato complexes showed the best activity in dioxane.
The reactions of [PdCl(E∩N)]n with AgOAc yield acetato complexes, [Pd(OAc)(E∩N)]n (E = S or Se; E∩N/n = ECH2CH2NMe2/3; ECH2CH2CH2NMe2/2). The molecular structures of [Pd(OAc)(ECH2CH2NMe2)]3 were established by single crystal X-ray diffraction analyses. The catalytic activity of [PdX(E∩N)]n in Suzuki C–C cross coupling reactions has been investigated.Figure optionsDownload as PowerPoint slideHighlights
► N,N′-Dimethylaminoalkylchalcogenolate complexes of palladium have been synthesized.
► The nuclearity of acetato-complexes, [Pd(OAc)(ER)]n is influenced by the nature of R group.
► Pd(II) chalcogenolates are highly active in Suzuki C–C coupling reactions in air.
► Activity of [PdX(E∩N)]n follow the trend: OAc > Cl; S > Se; binuclear > trinuclear.
Journal: Journal of Organometallic Chemistry - Volume 728, 15 March 2013, Pages 52–56