LiBF<sub>4</sub>: a mild and novel reagent for the OH insertion reactions of α-diazoketones期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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LiBF₄: a mild and novel reagent for the OH insertion reactions of α-diazoketones

Authors:	JS Yadav BVS ReddyP Vishnumurthy

Institution:	Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad-500 007, India

Abstract:	Lithium tetrafluoroborate (10 mol%) is found to catalyze efficiently the OH insertion reactions of α-diazoketones with various alcohols including benzylic, allylic, propargylic and cyclopropyl carbinols to produce the corresponding α-alkoxy ketones in excellent yields with high selectivity. A solution of 10 mol% of LiBF₄ in acetonitrile provides a convenient reaction medium to carry out the OH insertion reactions under mild and neutral conditions.

Keywords:	α-diazoketones insertion reactions lithium salts α-alkoxy ketones
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