112882-23-2Relevant academic research and scientific papers
AN IMPROVEMENT IN THE WITTIG-HORNER SYNTHESIS OF ALLENYL SULFONES AND ALLENES CARBOXANILIDES UNDER SONOCHEMICAL CONDITIONS
Fillion, H.,Refouvelet, B.,Pera, M. H.,Dufaud, V.,Luche, J. L.
, p. 3343 - 3348 (2007/10/02)
A significant improvement in the Wittig-Horner synthesis of allenyl sulfones and allene carboxanilides is described under ultrasonic irradiation in a homogeneous phase.
A Direct and Efficient Synthesis of Allenyl Sulfones by the Horner-Wittig Reaction
Fillion, Houda,Hseine, Ali,Pera, Marie-Helene,Dufaud, Veronique,Refouvelet, Bernard
, p. 708 - 709 (2007/10/02)
Allenic sulfones are directly prepared by the Horner-Wittig reaction of diethyl methyl(or aryl)sulfonylmethylphosphonate anions with ketenes.The method affords excellent to moderate yields respectively with phenylethyl and diphenylketene, the latter being more sensitive to basic media.
