Oxidation of C–H bonds to CO bonds by O2 only or N-oxides and DMSO: synthesis of Δ1-bipyrrolinones and pyrrolino[3,2-b]pyrrolinones from 2,6-diazasemibullvalenes

Shaoguang Zhang, Ming Zhan, Qian Luo, Wen-Xiong Zhang, Zhenfeng Xi
  • Chemical Communications, January 2013, Royal Society of Chemistry
  • DOI: 10.1039/c3cc43061h