1985 Volume 58 Issue 12 Pages 3547-3551
Pyrido[2,1-a]isoindole cycloadds to olefinic dipolarophiles in a highly exo-selective fashion giving the kinetically controlled cycloadducts which gradually isomerize into the Michael adducts. With acetylenic dipolarophiles, the hydrogen-migrated cycloadducts are the only products. The mechanism of cycloadditions is discussed.
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