A Very Simple Route to N-Methylisatins: Friedel-Crafts Acylation of p-Substituted N,N-Dimethylanilines with Oxalyl Chloride and DABCO
Ying Cheng*a, Hai-Ling Yea, Yu-Hua Zhana, Otto Meth-Cohn*b a Chemistry Department, Beijing Normal University, Beijing 100875, China b Chemistry Department, University of Sunderland, Sunderland SR1 3SD, UK e-Mail: yincheng@public2.east.net.cn; e-Mail: otto.meth-cohn@sunderland.ac.uk;
