SEARCH Articles Figures Tables Aza-Cope rearrangement-Mannich cyclization reaction Aza-Cope rearrangement/Mannich cyclization Cyclization Mannich reaction Cyclization Mannich-type Gephyrotoxin, perhydrosynthesis Mannich cyclization Indolizidines Mannich cyclization Mannich cyclization molecular rearrangements Mannich cyclization, diastereoselective Mannich-type cyclizations Pyrrolidine, acylsynthesis Mannich cyclization Pyrrolizidines Mannich cyclization Solvent effects in Mannich cyclization