1329672-33-4Relevant academic research and scientific papers
[2 + 2] Annulation of aldimines with sulfonic acids: A novel one-pot cis-selective route to β-sultams
Rai, Ankita,Rai, Vijai K.,Singh, Atul K.,Yadav, Lal Dhar S.
, p. 4302 - 4306 (2011)
A novel DMF/dimethyl sulfate promoted [2 + 2] annulation of aldimines with sulfonic acids afforded β-sultams in good to excellent yields (35-93%) under mild conditions. The protocol offers a convenient alternative to highly corrosive and hygroscopic sulfo
