Stereochemical outcome of reactions involving 1,1-bis(seleno) 4-tert-butyl cyclohexanes

A. Krief, E. Badaoui, W. Dumont, L. Hevesi, B. Hermans, R. Dieden

Research output: Contribution to journalArticlepeer-review


Stereoselective allylation of conformationally rigid 4-tert-butyl-1,1-bis(methylseleno) cyclohexanes has been achieved (i) from the axial face on sequential reaction with alkyllithiums, copper iodide-dimethyl sulfide and allyl bromides and (ii) from the equatorial face of reaction with allyl stannanes or -silanes in the presence of a Lewis acid. The synthesis of 1-selenocyclohexane has been achieved via the 'carbanionic route' or with tin hydride through a 'radical route'. The former reaction leads selectively to the trans selenides whereas both stereoisomers are produced in the latter process.
Original languageEnglish
Pages (from-to)3231-3234
Number of pages4
JournalTetrahedron Letters
Issue number27
Publication statusPublished - 1 Jan 1991


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