Invited for the cover of this issue are Yashapal Singh and Alexei Demchenko from the University of Missouri-St. Louis, USA. The image depicts the Koenigs and Knorr reaction, with the old car illustrating that the reaction is slow in the presence of silver(I) oxide, whereas the fast car shows that the reaction can be significantly accelerated by the addition of catalytic triflic acid. Read the full text of the article at 10.1002/chem.201904185.
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