N. Baret et al., REGIOSELECTIVE AND STEREOSELECTIVE FUNCTIONALIZATION OF PYRIMIDINEDIONES BY COHALOGENATION WITH OXYGEN NUCLEOPHILES, Nucleosides & nucleotides, 17(6), 1998, pp. 1125-1140
A detailed study of the regio-and stereoselective electrophilic functi
onalization of the C5-C6 double bond in the uracil and thymine series
using the cohalogenation with various oxygen nucleophiles is described
.