CAS: 202533-73-1

3',5'-O-(1,1,3,3-Tetraisopropyl-1,3-disiloxanediyl)-2'-(p-nitrophenylcarbonyloxy)uridine is a novel phosphoramidite. It is modified with p-nitrophenyl carbonyloxy group at the 3' position of the uracil moiety. This phosphoramidite has antiviral activity against Hepatitis C and HIV. It also has anticancer activity in vitro and in vivo. 3',5'-O-(1,1,3,3-Tetraisopropyl-1,3-disiloxanediyl)-2'-(p-nitrophenylcarbonyloxy)uridine is a nucleoside that can be used for DNA synthesis or as a monophosphate or diphosphate for RNA synthesis. It is synthesized from deoxy