5-Fluoropyrimidin-4-one compositions

摘要

A 5-fluoropyrimidin-4-one derivative represented by the formula <IMAGE> wherein R is straight-chain or branched-chain alkyl having 4 to 18 carbon atoms, straight-chain or branched-chain alkenyl having 2 to 18 carbon atoms, alkylene oxido having 3 to 10 carbon atoms, aryl or aralkyl; PROCESSES FOR PREPARING THE DERIVATIVE; AN ANTI-TUMOR COMPOSITION CONTAINING THE DERIVATIVE AS AN EFFECTIVE COMPONENT AND AN EXCIPIENT.