Tetrahedron Letters p. 3509 - 3512 (1994)
Update date:2022-09-26
Topics:
Oppolzer, Wolfgang
Seletsky, Boris M.
Bernardinelli, Gerald
R2AlCl-coordinated N-methacryloylsultam 1c undergoes efficient, endo-selective and highly diastereoface controlled <4+2>-additions to cyclopentadiene, isoprene, (E)-piperylene and the 2-silyloxydienes 10 and 12.The resulting cystalline cycloadducts are smoothly reduced with LiAlH4 providing the recovered auxiliary and the corresponding enentiomerically pure alcohols.
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