ChemInform Abstract: Synthesis of New Spiro‐oxindolo‐(pyrrolizidines/pyrrolidines) via Cycloaddition Reactions of Azomethine Ylides and Dibenzylideneacetone. Issue 24 (2nd June 2014) - Javidan, Abdollah; Taghizadeh, Mohammad Javad; Jadidi, Kosrow; Notash, Behrouz