Zhang, Z.; Li, J.; Huang, G.; Sun, K.; Zhang, G.; Ma, N.; Liu, Q.; Liu, T., Copper(I)-Catalyzed Intramolecular N-N Coupling of Cyclopropyl O-Acyl Ketoximes: Synthesis of Spiro-fused Pyrazolin-5-ones.Chinese Journal of Chemistry2016,34, 1309-1320.
http://dx.doi.org/10.1002/cjoc.201600479
