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. 2025 Aug 7;147(33):30095–30106. doi: 10.1021/jacs.5c07767

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© 2025 The Authors. Published by American Chemical Society

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(A) General reaction scheme between AllOx and an alcoholic partner (1:1 molar ratio); (B) scope of N,O-acetal derivatives with isolated yields; (C) Van’t Hoff graph extracted from kinetics carried out at different temperatures (bulk, equimolar ratio) with corresponding ΔH (−10.7 kJ/mol) and ΔS (−8.9 J/mol) of reaction; and (D) Gibbs free energy profile of the reaction pathway for the formation of the N,O-acetal moiety between a model oxazolidone and a model alcohol (methanol) catalyzed by MSA. Vertical arrows show the energy barriers for rate-determining steps.