125731-39-7

1-(1-Cyclopentenyl)pyrrolidine reacted with o-chloro-, p-nitro-, and m-nitrobenzaldehyde to give 1, 2 and 3a, respectively, and no simple (1:1) addition products were isolated.However, the reactions with p-chloro-, m-chloro-, and p-methoxybenzaldehyde gave the simple (1:1) addition products 4. 1-(1-Cyclopentenyl)pyrrolidine reacted with phenanthrene quinone, chrysenequinone and phenanthrenequinone mono-oxime to give the open chain (1:1) addition products 5, 6 and 7.Acetylation of 5 yielded 8.