Tetrahedron Letters p. 627 - 630 (1980)
Update date:2022-07-30
Topics:
Yasuda, Masami
Harano, Kazunobu
Kanematsu, Ken
Treatment of 2,5-dimethoxycarbonyl-3,4-diphenylcyclopentadienone with an excess of cyclooctatetraene gives the novel exo(4+6)? cycloadduct together with the endo(2+4)? and bis-Diels-Alder cycloadducts.The CNDO/2 MO calculation indicates that HOMO(COT)-LUMO(cyclopentadienone) interaction will be more important than the other.
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