1352151-20-2Relevant articles and documents
Ugi post-condensation copper-triggered oxidative cascade towards pyrazoles
Dos Santos, Aurelie,El Kaim, Laurent,Grimaud, Laurence,Ronsseray, Caroline
supporting information; experimental part, p. 1310 - 1314 (2011/11/06)
Pyrazolidinones were prepared in a two-step sequence starting from α-hydrazonocarboxylic acids. After a four-component Ugi coupling, the resulting hydrazone was engaged in a copper triggered [3 + 2] cycloaddition/aerobic oxidation cascade.