5159-31-9Relevant academic research and scientific papers
Cumulated Ylides, 22. - Reactions of (Triphenylphosphoranylidene)ethenone with Halogen Compounds and their Preparative Application
Bestmann, Hans Juergen,Geismann, Christian,Zimmermann, Reiner
, p. 1501 - 1510 (2007/10/02)
(Triphenylphosphoranylidene)ethenone (6) reacts with halogen compounds 7 to yield four-membered ylide phosphonium salts 9.Ring opening of 9 under different conditions gives rise to the formation of bis-ylides 13, ylide salts 14, or bis-phosphonium salts 1
The Conversion of Carboxylic Acids to Keto Phosphorane Precursors of 1,2,3-Vicinal Tricarbonyl Compounds
Wasserman, Harry H.,Ennis, David S.,Blum, Charles A.,Rotello, Vincent M.
, p. 6003 - 6006 (2007/10/02)
Acyl phosphoranylidines react with acid chlorides or anhydrides in the presence of bis(trimethylsilyl)acetamide (BSA), or couple directly with carboxylic acids activated by EDCI to give keto phosphoranes 1.
