A convenient method for synthesis of the pyrrolizine nucleus is reported. The pyrrolizines were obtained through 1,3-dipolar cycloaddition on azomethine ylids 4 generated in situ from 2H-pyrroles. The new adducts were characterized by 1H- and 13C-N.M.R. data as well as mass spectrometry.
报告了一种合成
吡咯烷核的简便方法。
吡咯烷是通过 1,3-二极环加成法从 2H
吡咯原位生成的偶氮甲基 4 上获得的。新的加合物通过 1H 和 13C-N.M.R. 数据以及质谱法进行了表征。