https://pmc.ncbi.nlm.nih.gov/articles/PMC8291578/
General Pyrrolidine Synthesis via Iridium-Catalyzed Reductive Azomethine Ylide Generation from...
An iridium-catalyzed reductive generation of both stabilized and unstabilized azomethine ylides and their application to functionalized pyrrolidine synthesis...
generalpyrrolidinesynthesisviairidium