A. Rybar et al., SYNTHESIS OF 3,4-TETRAHYDROXYBUTYL)-7H-PURINE-2,6(1H,3H)-DIONES AND 5-PENTA-HYDROXYPENTYL)-7H-PURINE-2,6(1H,3H)-DIONES, Synthesis, (4), 1996, pp. 459
An efficient method for the preparation of 8-(polyhydroxyalkyl)-7H-pur
ine-2,6(1H,3H)-diones 5 starting from 6-chloro-1,3-dimethylpyrimidine-
2,4(1H,3H)-dione (1) and 1-amino-1-deoxypentitols or -hexitols 2 via o
lyhydroxyalkylamino)-pyrimidine-2,4(1H,3H)-diones 3 and their 5-nitros
o derivatives 4 is described.