The beginning of the 21st century has seen a tremendous growth in the field of decarboxylative activation. Benzoic acids are now recognised as atom-economic
alternatives to traditional cross-coupling partners and they also benefit from being inexpensive, readily-available and shelfstable reagents. In this microreview, we discuss recent developments in the coupling of benzoic acids with either an
arene or a second benzoic acid, a process often labelled as decarboxylative oxidative cross-coupling. These procedures hold great promise for the development of highly selective and atom-economic cross-couplings.