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These Are Tri(azol)ing Times…. Great Chemistry- But Do Not Attempt on a Damp Day

Five-membered heterocyclic arenes account for a large portion of the heterocycles found in pharmaceuticals and bioactive molecules.1 Synthesis of heteroaryl halides and elaboration via metal catalysed cross coupling reactions- particularly with aliphatic amines- is, however, known to be challenging. These small heterocycles-particularly electron-rich systems- frequently coordinate to palladium, promoting catalyst deactivation via displacement of the supporting

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