Tetrahedron Letters p. 1999 - 2002 (1984)
Update date:2022-09-26
Topics:
Fujikura, Sadao
Inoue, Masaharu
Utimoto, Kiitiro
Nozaki, Hitosi
Reaction of 6-bromo-1-trimethylsilyl-1-hexyne with magnesium affords the corresponding Grignard reagent whose C-Mg bond intramolecularly adds to the trimethylsilylacetylene moiety in 5-Exo-Dig manner and suprafacially.The reaction can be applied to the synthesis of some cycloalkanes having stereodefined alkylidene substituents.
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