The N-tosylcarboxamide group offers the possibility of directing the Pd-catalyzed C-H arylation of arenes providing a new entry to biarylcarboxamides. Moreover, its ability to react according to different reaction conditions including intramolecular reactions makes it a pivotal directing group for a divergent synthesis of biaryl-based compounds.
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Péron et al. (2012) studied this question.
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