Yıldırım, MuhammetSuleiman, Garba2021-06-232021-06-2320190039-79111532-2432https://doi.org/10.1080/00397911.2018.1563796https://hdl.handle.net/20.500.12491/10123Easy and effective preparation of new 1H-pyrrolizine carboxylates was achieved with high efficiency via KHMDS-induced carbocyclization of N-alkynyl proline carboxylates under substantially mild conditions. Meanwhile, some trans-diiodoallylic N-proline carboxylates were obtained from N-propargyl proline carboxylates using molecular I-2 with or without KHMDS. This method is quite feasible in terms of practical and quick access to the pyrrolizines and their derivatives over the formation of carbanions. [GRAPHICS] .eninfo:eu-repo/semantics/closedAccess5-endo-digA3-couplingCarbocyclizationL-prolineSonogashira CouplingArticle10.1080/00397911.2018.15637964934634812-s2.0-85060206794Q3WOS:000458290700014Q3