Chemistry Letters p. 2245 - 2248 (1994)
Update date:2022-08-05
Topics:
Trost, Barry M.
Yamazaki, Shoko
The Pd-catalyzed reaction of 2-vinylcyclopentenes 2 and 3 with trimethylenemethane gave <4+3> and <3+2> cycloadducts.Derivatization of 2-vinylcyclopentenones with bulky ketal substituents served to enhance seven-membered ring formation.
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