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Synthesis of Tetraphenylstrannacy-clopentadienes (Stannoles). III. Attempted Route to the Parent Stannoles through Closure of 1,4-Dichlorobuta-1,3-diene.
OKLAHOMA UNIV NORMAN DEPT OF CHEMISTRY
Pagination or Media Count:
1,4-Dichlorobuta-1,3-diene has been lithiated and reacted with organosilyl and tin chlorides. Only polymerized starting material, rather than the hoped for parent sila- and stannacyclopentadienyl silole and stannole ring systems result from the action of the lithiated material on diorganodichlorosilanes and diorganotin dichlorides. Addition of the lithiated butadiene to trimethylchlorosilane and trimethyltin chloride yields products resulting from dehydrochlorination and multiple bond migration in the starting dichlorobutadiene. Author
APPROVED FOR PUBLIC RELEASE