Tetrahedron Letters p. 1163 - 1166 (1984)
Update date:2022-08-02
Topics:
Morizawa, Yoshitomi
Oda, Hiroji
Oshima, Koichiro
Nozaki, Hitosi
Addition of PhMe2SiMgMe, (PhMe2Si)2Zn, or PhMe2SiAlEt2 to allenes proceeds in the presence of various transition-metal catalysts.Whereas copper catalyzed silylmagnesation of 1,2-cyclononadiene gives 1-dimethyl-phenylsilyl-1-cyclononene exclusively, palladium catalyzed silylalumination affords 3-dimethylphenylsilyl-1-cyclononene preferentially with high degrees of regioselectivity.
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