5-[N(2-Trifluoroacetamido)ethyl)-3-(E)-acrylamido]-2’-deoxyuridine is a derivative of 5-[3-(Trifluoroacetamido)-E-1-propenyl]-2’-deoxyuridine (T785010), which can be used as reactant/reagent for "Corey''s reagent," 3,5-di-tert-butyl-1,2-benzoquinone, as a modifying agent in the synthesis of fluorescent and double-headed nucleosides.