14195-09-6Relevant articles and documents
Method for efficiently synthesizing beta-ketone sulfonyl compounds through visible light induction
-
Page/Page column 16, (2017/07/21)
The invention provides a method for efficiently synthesizing beta-ketone sulfonyl compounds through visible light induction. The method specifically comprises steps as follows: in the presence of an organic solvent and at the room temperature, enol sulfonate compounds are taken as a raw material and react for 1-12 h through induction of visible light under the catalysis action of an organic compound serving as a photocatalyst, and the beta-ketone sulfonyl compounds are prepared. Compared with an existing method, the method has a wide applicable substrate range, a substrate is convenient and easy to obtain, reaction conditions are mild, operation is simple and convenient, the reaction efficiency is high, and the method has huge value in industrial application.
α-chlorination of ketones using p-toluenesulfonyl chloride
Brummond, Kay M.,Gesenberg, Kirsten D.
, p. 2231 - 2234 (2007/10/03)
Treatment of a variety of ketones with lithium diisopropylamide followed by p-toluenesulfonyl chloride gives α-chloroketones in good yields. In addition, a polymer bound tosyl chloride reagent has also been shown to effect this transformation.