
Tetrahedron Letters p. 2483 - 2486 (1984)
Update date:2022-08-04
Topics:
Okuda, Yasuhiro
Morizawa, Yoshitomi
Oshima, Koichiro
Nozaki, Hitosi
Whereas CuI catalyzed silylmagnesation of the tosylate of 5-hexyn-1-ol with the title reagent affords dimethylphenylsilylmethylenecyclopentane exclusively, the mesylate of 3-butyn-1-ol gives a mixture of unexpected silylcyclobutene and cyclopropylidene derivative.
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