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submitted on 31.10.2019, 10:14 and posted on 15.11.2019, 02:15by Hao Chen, Mirxan Farizyan, Francesca Ghiringhelli, Manuel van Gemmeren
We report a sterically controlled C–H olefination using heteroarenes as the limiting reagent. The method enables the highly C5-selective olefination of a wide range of heteroarenes and is shown to be useful in the context of late-stage functionalization.