INTAMOLECULAR CYCLIZATION MEDIATED BY SILYLMETALATION OF ACETYLENES WITH PhMe2SiMgMe/CuI AND RADICAL NATURE OF THE REAGENT

DOI: 10.1016/S0040-4039(01)81210-7

Source and publish data:

Tetrahedron Letters p. 2483 - 2486 (1984)

Update date:2022-08-04

Topics:

Authors:

Okuda, Yasuhiro

Morizawa, Yoshitomi

Oshima, Koichiro

Nozaki, Hitosi

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Article abstract of DOI:10.1016/S0040-4039(01)81210-7

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.

Full text of DOI:10.1016/S0040-4039(01)81210-7

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