914402-75-8Relevant academic research and scientific papers
Ring-expansion of tertiary cyclic α-vinylamines by tandem conjugate addition to (p-toluenesulfonyl)ethyne and formal 3-aza-Cope rearrangement
Weston, Mitchell H.,Nakajima, Katsumasa,Parvez, Masood,Back, Thomas G.
, p. 3903 - 3905 (2007/10/03)
A novel ring-expansion protocol is based on the conjugate additions of cyclic α-vinylamines to (p-toluenesulfonyl)ethyne, followed by aza-Cope rearrangements of the resulting zwitterions, to afford medium and large-ring cyclic amines under remarkably mild
