Unambitious syntheses of D-ribose 2-phosphate, 3-phosphate, 4-phosphate, 2,3-diphosphate, 3,4-diphosphate, 2,4-diphosphate, cyclic 2,3-phosphate, cyclic 3,4-phosphate, and cyclic 2,4-phosphate are described. Their 1H- and 31P-NMR data as well as their equil. compn. in aq. soln. are reported. [on SciFinder (R)]