![Trifluoroacetic acid-catalyzed 1,3-cycloaddition of the simplest iminium ylide leading to 3- or 3,4-substituted pyrrolidines and 2,5-dihydropyrroles.]()
Trifluoroacetic acid-catalyzed 1,3-cycloaddition of the simplest iminium ylide leading to 3- or 3,4-substituted pyrrolidines and 2,5-dihydropyrroles.TERAO, YOSHIYASU; KOTAKI, HIROMI; IMAI, NOBUYUKI; ACHIWA, KAZUO · CHEMICAL & PHARMACEUTICAL BULLETIN · 1985