72775-05-4Relevant academic research and scientific papers
Polymer-supported Phosphonates. Olefins from Aldehydes, Ketones, and Dioxolans by means of Polymer-supported Phosphonates
Cainelli, Gianfranco,Contento, Michele,Manescalchi, Francesco,Regnoli, Rodolfo
, p. 2516 - 2519 (2007/10/02)
Phosphonates substituted with electron-withrdrawing groups (CN and CO2Me) have been supported, by means of a neutralization reaction, on the macroreticular anion-exchange resin Amberlyst A-26.Treatment of carbonyl compounds with the polymer-bound phosphonate in various solvents gave olefins in high yields, at room temperature.Either batch or column techniques are employed, the latter offering the opportunity of a continuous procedure.The simultaneous use of the phosphonate resin and of an acidic one (Amberlyst 15 H) allowed the direct sequential hydrolysis and olefination of dioxolans.
