Metal-Free Relay Oxidation: Valuable Synthesis of Acylsilane and Ketones under Aerobic Oxidation

[摘要]：In this letter, an example of interesting metal-free relay air oxidation of alpha-hydroxysilanes, promoted by the hydroperoxidated carbonyl compounds derived from the Michael reaction of 5,5-dimethylcyclohexane-1,3-dione and chalcone, is reported. A series of aromatic acylsilanes with TBDPS were obtained in promising isolated yields. In addition, as an extension of the relay oxidation under aerobic conditions, this catalyst-free relay oxidation induced by diketone can be applied to the oxidation of general aromatic alcohols (up to 75% yield).

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