Synthesis of C-4 substituted pyrimidine nucleoside analogs. Preparation of several 4-(2-oxoalkylidene)-2(1H)-pyrimidinone ribonucleosides

Article abstract of DOI:10.1002/jhet.5570310449

A series of 4-(1-alkynyl)-2(1H)-pyrimidinone ribonucleosides were synthesized from the Pd-catalyzed coupling of terminal alkynes to the 4-chloropyrimidin-2-one ribonucleoside (2). These compounds were hydrated, using three different methods, to afford the