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Boron-Catalyzed O–H Bond Insertion of α‑Aryl α‑Diazoesters in Water

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journal contribution
posted on 23.07.2018, 00:00 by Htet Htet San, Shi-Jun Wang, Min Jiang, Xiang-Ying Tang
A catalytic, metal-free O–H bond insertion of α-diazoesters in water in the presence of B­(C6F5)3·nH2O (2 mol %) was developed, affording a series of α-hydroxyesters in good to excellent yields. The reaction features easy operation and wide substrate scope, and importantly, no metal is needed as compared with the conventional methods. Significantly, this approach further expands the applications of B­(C6F5)3 under water-tolerant conditions.

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