The front cover artwork for Issue 23/2016 is provided by Dr. Shen and Prof. Zhang's group from Zhejiang Shuren University and Hangzhou Normal University. The image illustrates the first example of an heterogeneous catalyst Chitosan@Cu(OAc)2-catalyzed remote trifluoromethylation of aminoquinolines at C5 position under mild conditions. See the Communication itself at https://doi.org/10.1002/cctc.201601068.