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Abstract The development of simplified synthetic strategy to create structurally and functionally diverse pseudo‐natural macrocyclic molecules is highly appealing but poses a marked challenge. Inspired by natural scaffolds, herein, we describe a practical and concise ligand‐enabled Pd(II)‐catalyzed sp 3 C−H alkylation, olefination and arylation macrocyclization, which could offer a novel set of pseudo‐natural macrocyclic sulfonamides. Interestingly, the potential of ligand acceleration in C−H activation is also demonstrated by an unprecedented enantioselective sp 3 C−H alkylation macrocyclization. Moreover, a combination of in silico screening and biological evaluation led to the identification of a novel spiro‐grafted macrocyclic sulfonamide 2 a , which showed a promising efficacy for the treatment of Parkinson's disease (PD) in a mouse model through the activation of silent information regulator sirtuin 3 (SIRT3).
Bi et al. (Tue,) studied this question.