25556-41-6Relevant academic research and scientific papers
Acylations des cetones α-β-ethyleniques catalysees par les acides sulfoniques : synthese concomitante de sels de pyrylium et de dihydro-2,3-pyrones-4
Graindorge, Herve,Roussel, Christian
, p. 454 - 458 (2007/10/02)
The acylation of α,β-ethylenic ketones by carboxylic acid anhydrides catalyzed by sulfonic acids lead to the expected unsymmetrical pyrylium salts. 2,3-Dihydro-pyran-4-ones are also formed.The respective yields depend upon the alkyl substituents of the starting material.
