Synthesis of 2-Alkylidenepyrrolidines and Pyrroles by Condensation of 1,3-Dicarbonyl Dianions with α-Azidoketones and Subsequent Intramolecular Staudinger−Aza-Wittig Reaction
作者:Ilia Freifeld、Heydar Shojaei、Peter Langer
DOI:10.1021/jo060593h
日期:2006.6.1
The condensation of 1,3-dicarbonyl dianions with α-azidoketones afforded open-chained condensation products that were transformed into pyrroles by Staudinger−aza-Wittig reactions and the subsequent treatment with trifluoroacetic acid.
Efficient and regioselective synthesis of functionalized pyrroles by cyclocondensation of 1,3-dicarbonyl dianions with α-azidoketones
作者:Peter Langer、Ilia Freifeld
DOI:10.1039/b207840f
日期:——
The cyclocondensation of 1,3-dicarbonyl dianions with α-azidoketones regioselectively afforded 2-alkylidenepyrrolidines which were transformed into functionalized pyrroles by treatment with acid.