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β‐Lactams are important structural motifs because of their ubiquity in natural products and pharmaceuticals. We report herein a Cu‐catalyzed intramolecular oxidative C(sp3)−H amidation for the synthesis of β‐lactams using tBuOOtBu. This method is based on Kharasch–Sosnovsky amidation and does not require prefunctionalization of C(sp3)−H bonds or the installation of a directing group, thereby allowing...
Copper-catalyzed oxidative coupling of arylboronic acids with imidazoles in water was realized by using an amphiphilic surfactant. By choosing an appropriate surfactant, reactions of a variety of arylboronic acids proceeded smoothly under mild and base-free conditions, providing an efficient, practical, and greener method for the synthesis of N-arylimidazoles.
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