| abstract |
(57) [Summary] (Modified) [Structure] Cycloalkyltriols containing heterocyclic substituents, and in particular cyclopentyl- and cyclohexyltriols containing heterocyclic substituents. [Effect] A compound of the following formulas I and II, a method for producing the same, and an antiviral agent and an antiparasitic agent containing the compound. [Wherein N is a monocyclic heterocyclic group (specific example: adenin-1-yl group) bonded to C-1 ′ through nitrogen or 2 A cyclic heterocyclic group (specific example: 6-benzyloxy-2-aminopurin-9-yl group); R 1 , R 2 , and R 3 are hydrogen, C 1 -C 8 -alkyl, C 3 -C. 8 -cycloalkyl, benzyl, trityl and the like; n is 1 to 4] |