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Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, China
; Fax: +86 571 28865135
; Tel: +86 571 28868081
Dalton Trans., 2013,42, 3994-4001
10 Oct 2012,
19 Dec 2012
First published online
19 Dec 2012
The reaction of a dipotassium silyl dianion (1) with chalcogenide elements (E) does not afford the corresponding silylchalcogenolates, but allows the generation of a series of heterocyclic disilylchalcogenides (E = S (2), Se (3), Te (4)). Under high temperature, compound 4 can be converted into compound 5, a Te analog of compounds 2 and 3. The compounds were characterized by 1H, 13C and 29Si NMR spectroscopy and high resolution mass spectrometry (HRMS). In addition, X-ray structure analyses were carried out on compounds 2–5. A DFT calculation was also performed.
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