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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 6
BKCSDE 22(6)
June 20, 2001 

Reactions of [(2-N,N-Dimethylaminomethyl)phenyl]methylvinylchlorosilane with t-BuLi: Synthesis and Characterization of Five Isomeric 1,3-Disilacyclobutanes
Myong Euy Lee, Hyeon Mo Cho, Soo Heung Lee, Chang Hwan Kim
Silene, Zwitterionic species, Dimer, Intramolecular donor atom.
The reaction of [(2-N,N-dimethylaminomethyl)phenyl]methylvinylchlorosilane with t-BuLi in hexane solvent gave dimers, five isomeric 1,3-disilacyclobutanes which were separated and characterized. In trapping experiments with various trapping agents, no corresponding silene-trapping adduct was observed. We suggest that more important species for the formation of five isomeric dimers might be the zwitterionic species generated by virtue of intramolecular donor atom rather than the silene.
593 - 596
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