Benzylic amines 8 react with ketoenoates 7 yielding, after reduction of the primary adducts, 2,5-dialkylpyrrolidines 9 (trans isomer predominating). This reaction has been applied to the synthesis of trans 2-heptyl-5-ethylpyrrolidine, a component of the venom of fire ant (Solenopsis punctaticeps).
Benzylic amines 8 react with ketoenoates 7 yielding, after reduction of the primary adducts, 2,5-dialkylpyrrolidines 9 (trans isomer predominating). This reaction has been applied to the synthesis of trans 2-heptyl-5-ethylpyrrolidine, a component of the venom of fire ant (Solenopsis punctaticeps).