Journal of Organic Chemistry vol:58 issue:11 pages:2977-2982
The synthesis of 1-(2,4-dideoxy-beta-D-erythro-hexopyranosyl)thymine (12)1 was accomplished using two different synthetic routes. It was obtained starting either from 1,2:5,6-di-O-isopropylidene-alpha-D-glucofuranose or from tri-O-acetyl-D-glucal. The other modified nucleosides, with either a cytosine, guanine, or adenine moiety, were synthesized using the second reaction scheme. Deoxygenation reactions were accomplished with the (2,4-dichlorophenoxy)thiocarbonyl derivatives generated in situ.