128845-01-2Relevant academic research and scientific papers
Synthesis of Pyrrolizidines and Indolizidines by the Intramolecular Cycloaddition of Azides with Electron-Rich 1,3-Dienes. A Synthetic Equivalent of a Nitrene-Diene Cycloaddition
Pearson, William H.,Bergmeier, Stephen C.,Degan, Samir,Lin, Ko-Chung,Poon, Yam-Foo,et al.
, p. 5719 - 5738 (2007/10/02)
Alkyl azides were found to undergo intramolecular cycloadditions with certain 1,3-dienes to provide 2,3,5,7a-tetrahydro-1H-pyrrolizines and 3,5,6,7,8,8a-hexahydroindolizines in one operation (e.g., 12 -> 13 and 17 -> 18).The presence of an electron-donati
