Synfacts, Table of Contents Synfacts 2023; 19(06): 0547DOI: 10.1055/s-0042-1752547 Synthesis of Heterocycles Diversity-Oriented Approach to Spirocyclic and Fused Pyrazolopyrrolidines Contributor(s): Paul Richardson (Pfizer) Recommend Article Abstract Buy Article Key words Key wordsrhodium catalysis - maleimides - C–H activation - pyrazolones - ring expansion - spirocycles - fused-systems Full Text