Tetrahedron p. 10033 - 10040 (1995)
Update date:2022-08-28
Topics:
Minuti, Lucio
Taticchi, Aldo
Gacs-Baitz, Eszter
Wenkert, Ernest
Diels-Alder reactions of a heteroannular bicyclic dienone with acyclic dienes under Lewis acid catalysis at atmospheric and 7 Kbar pressure and presented. The pressure reactions are fast, high-yielding and highly diastereoselective en route to hydrophenanthrenones. As a consequence of some post-cycloaddition enolization, both cis and trans products are available.
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