The catalytic esterification of methoxyarenes remains challenging, especially for C(sp3)–O bond functionalization. Herein, we report a simple and efficient method using nBu4NBr as a catalyst to directly convert methoxyarenes and acyl bromides into esters under solvent-free conditions. This strategy provides a simple and efficient approach, achieving yields of up to 95%.
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T. Sun, W. C. Zhu, Q. Zhu, S. Y. Wang, G. D. Wang and J. Li, Org. Biomol. Chem., 2025, Advance Article , DOI: 10.1039/D5OB00612K
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