A Direct Conversion of Carboxylic Acids into Dithioesters ... Hubert Davy Laboratoire de Chimie des Compose's Thioorganiques, ISMRA, Universite' de Caen, 14032 Caen, France ... A facile one-pot reaction between carboxylic acids and S-alkyl phosphorus sulphides affords the corresponding al kyl dithioesters. ... Methods for dithioester synthesis1 are numerous, but in their technical application they are long, difficult to scale up, or rather expensive. The two that are usually applied ...