abstract |
A process for preparing N4-acyl-5'-deoxy-5-fluorocytidine derivatives of formula III: ##STR1## by selective deacylation, wherein R is alkyl, cycloalkyl, alkenyl, aralkyl or aryl, n which comprises reacting a compound of formula II, ##STR2## wherein R is as defined above, with a base in an aqueous or inert organic solvent. |