Novel radial oligothienyl silanes

Tetrahedron Letters

Volumn 45, Issue 15, 2004, Pages 3109-3111

  Arsenyan, Pavel ^a   Pudova, Olga ^a   Popelis, Juris ^a   Lukevics, Edmunds ^a  

^a LATVIAN INSTITUTE OF ORGANIC SYNTHESIS   (Latvia)

Author keywords

Hydrosilylation; Silicon; Stille coupling; Thiophene

Indexed keywords

SILANE DERIVATIVE; SILICON; THIOPHENE DERIVATIVE;

ARTICLE; CHEMICAL STRUCTURE; HYDROSILYLATION; REACTION ANALYSIS; STILLE REACTION; STRUCTURE ANALYSIS; SYNTHESIS;

EID: 1642397338     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2004.02.092     Document Type: Article

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24. 5: C, 54.05; H, 5.36; S, 26.23. Found: C, 53.98; H, 5.32; S, 26.28.
25. Tetra[2-(di(2-thienyl)methylsilyl)ethyl]silane 3. Tetra-2- (dichloromethylsilyl)ethylsilane prepared from tetravinylsilane and methyldichlorosilane was treated with 8 equiv of 2-thienyllithium. After workup compound 3 was chromatographed on silica gel using dichloromethane/hexanes mixture (1:15) as eluent. Yield 45%.
26. 4: C, 42.76; H, 5.50; S, 15.22. Found: C, 42.71; H, 5.47; S, 15.25.
27. 5: C, 56.82; H, 4.53; S, 30.34. Found: C, 56.77; H, 4.48; S, 30.30.