The synthesis of 2'-amino-2'-deoxypyrimidine 5'-triphosphates is descr
ibed. The 2'-amino-2'-deoxyuridine 5'-triphosphate is obtained from ur
idine in four steps with 25% overall yield. The 2'-amino-2'-deoxycytid
ine 5'-triphosphate is obtained from uridine in seven steps with 13% o
verall yield.