First preparation and structural determi
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Takeshi Kimura; Yukiko Izumi; Naomichi Furukawa; Yoshihiro Minoshima
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Article
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1996
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John Wiley and Sons
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English
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## I, I -Dimethyldibenzo [bc, fd[l, 4lsilathiapentalene (la) was prepared by treatment of 1,9-bis(methyl-sulfiny1)dibenzothiophene with EtMgBr or of dibenzothiophene with n-butyllithium, and then with dimethyl dichlorosilane. The structure of 4,Cdimethyl-dibenzo&,fg][I, 4lsilathiapentabne I -oxid