145237-17-8Relevant articles and documents
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.