abstract |
The inventive product: esters of ascorbic acid 2-phosphate, crystals: QC (0) -aO (HO) P (0) (OHVCH (HOCHCH2 OH), where R is C9-C22-alkyl. Reagent 1: O- C (O) - C (OH) C (OZ) -HC (OZCHCH20R). PearelFT: X2P (0) OR, where Z, Z, -H, hydroxyl-protecting group, R-hydroxy-protecting group, acyl-carboxylic acid, car-amoyl Reaction conditions: in a solvent medium in the presence of an HCI acceptor, followed by hydrolysis and isolation, possibly in the form of a salt. |