title: Addition of a Chiral Boron Enolate to Cyclic N-Acyliminium Ions. Stereocontrolled Synthesis of the Pyrrolizidine Ring System.
authors.affiliation: Instituto de Química, Unicamp, Cx. Postal 6154, 13081-970- Campinas, SP Brasil.
authors.forename: Ronaldo A.
authors.initials: RA
authors.lastname: Pilli
authors.forename: Dennis
authors.initials: D
authors.lastname: Russowsky